A trusted resource for identifying the world’s top corporate intelligence firms.

About Us

This platform showcases the fifty firms that excel in due diligence, litigation support and reputation research. These organizations are recognized for their expertise, discretion and trusted results. Our goal is to give businesses and legal teams a clear and reliable resource for finding investigative partners who meet the highest professional standards.

What We Do

We are an independent research group committed to bringing clarity and transparency to the corporate intelligence sector. Through the Top 45 Corporate Intelligence Firms, we provide organizations with a trusted reference point to identify investigative partners who demonstrate proven expertise, discretion and integrity. Our evaluation process considers real-world performance in areas such as due diligence, litigation support and reputation research, while also examining ethical standards, compliance practices and the broader impact these firms have on the industry.

01. Control Risks

Control Risks is a global leader in risk management and strategic consultancy, founded in 1975 to help organisations manage complex political, security and integrity risks.

Company Overview

Control Risks is a global leader in risk management and strategic consultancy, founded in 1975 to help organisations manage complex political, security and integrity risks. With decades of experience, the firm combines deep sector knowledge and hands-on engagement to support clients worldwide when facing uncertainty and challenging environments. Their team operates internationally, delivering specialist expertise wherever needed.

Services and Value

Control Risks delivers services including political and security risk analysis, crisis response, forensic investigations, compliance assessments and cross-border due diligence. Clients value the firm’s global outlook and practical approach, benefitting from clear, actionable advice that enables them to protect assets, maintain compliance and safeguard their reputation when operating in dynamic markets.

02. Kroll

Kroll is a respected global authority in investigations, due diligence and compliance, with more than half a century of experience.

Company Overview

The firm uses a multidisciplinary team to help clients resolve complex challenges, offering detailed forensic investigations and business intelligence solutions that provide actionable insights to guide important commercial decisions.

Services and Value

Kroll’s services span fraud and corruption investigations, financial inquiries, asset tracing, recovery and trial consulting. The firm also provides comprehensive due diligence that supports compliance with anti-money laundering, anti-bribery and corruption, sanctions and ESG requirements. Organisations trust Kroll’s global reach and skilled professionals to provide high-quality support that helps manage risk and underpin confident decision-making.

03. The Risk Advisory Group

The Risk Advisory Group is a global business intelligence and investigations firm, established 28 years ago and operating from five offices worldwide with teams speaking 25 languages.

Company Overview

The firm is 100% independently owned and has completed over 1,500 investigations in the last three years. The Risk Advisory Group has earned Band 1 recognition from Chambers & Partners for consecutive years in both Investigative Due Diligence (Global-wide) and Environmental, Social & Governance Risk, alongside Band 2 rankings in Political Risk and Asset Recovery. Directors Tim Roberts and Patrick Kelkar are individually recognised as leading practitioners in their respective fields.

Services and Value

The Risk Advisory Group delivers commercial intelligence to unlock new opportunities, including market entry analysis, political and regulatory risk assessment, commercial due diligence, stakeholder mapping and competitor benchmarking. The firm provides enhanced due diligence on investments and partnerships, covering anti-bribery and corruption checks, sanctions screening, human rights impact assessments and supply chain investigations. Additionally, the firm supports litigation, arbitration, internal investigations and asset tracing. Clients describe The Risk Advisory Group as “excellent,” praising their responsiveness, detail-orientation and sensitivity to client needs, benefitting from bespoke services and high-end sophisticated investigative work that enables informed commercial decisions and effective risk mitigation across global markets.

04. K2 Integrity

K2 Integrity is a respected authority in financial crimes compliance, investigations and risk management, recognised for seven consecutive years in the Chambers and Partners Litigation Support Guide.

Company Overview

The firm brings together interdisciplinary teams of subject-matter experts with deep industry experience, supported by cutting-edge technology to deliver comprehensive solutions. K2 Integrity works in lockstep with clients throughout each engagement, helping organisations safeguard their operations, reputations and economic security.

Services and Value

K2 Integrity specialises in financial crimes risk management, investigations, monitoring, cybersecurity, virtual asset advisory and professional training and certifications. The firm supports commercial and retail banks, investment banks, financial services firms, FinTech companies and other obligated entities facing the challenge of complying with international financial crime regulations through both proactive and reactive measures. Clients value K2 Integrity’s unparalleled expertise and practical guidance that enables confident decision-making in complex regulatory environments.

05. S-RM

S-RM is a corporate intelligence and cyber security consultancy delivering intelligence, resilience and response solutions to clients worldwide.

Company Overview

The firm provides insights that power critical decision-making and inform strategy, combining investigative expertise with digital capabilities. S-RM operates globally, offering clients round-the-clock support through an award-winning incident response team that delivers urgent, efficient and precise assistance during times of crisis.

Services and Value

S-RM’s services span business integrity and compliance, M&A and investor due diligence, dispute resolution, internal investigations, asset tracing and digital forensic support for complex litigation. The firm also delivers actionable intelligence to inform policies and strategic decisions, alongside cyber risk management and offensive security consultancy. Clients trust S-RM’s multidisciplinary approach and global reach, benefitting from expert analysis that enables them to navigate compliance challenges, manage vulnerability to real-world threats and build resilience across all sectors and geographies.

06. Sigma7 Alaco

Sigma7 Alaco is a leading business intelligence firm established in 2002 by Amy Lashinsky and Ambrose Carey, acquired by Sigma7 in 2022.

Company Overview

The firm has earned Band 1 recognition from Chambers & Partners for Investigative Due Diligence (Global-wide) for five consecutive years, alongside Band 2 rankings in Global Asset Tracing & Recovery and UK Business Intelligence & Investigations. With Oliver Gorton ranked Band 1 individually for Investigative Due Diligence and Nikos Asimakopoulos achieving Band 1 in Asset Tracing, Sigma7 Alaco serves major financial institutions, multinational corporations, law firms, development institutions and family offices across all continents.

Services and Value

Sigma7 Alaco delivers investigative due diligence for transactions and investments, asset tracing and recovery, litigation support, internal investigations and sanctions compliance guidance. The firm operates globally with bespoke on-the-ground research in any market, deploying multilingual teams speaking Arabic, Russian, Spanish, Portuguese, Mandarin, French, German and numerous other languages drawn from backgrounds in law, finance, diplomacy, journalism and consulting. Clients describe Sigma7 Alaco as having “market-leading capabilities” and praise the firm’s ability to uncover esoteric information and deliver carefully curated intelligence. Organisations value the team’s forensic approach and extensive global network, benefitting from actionable insights that enable informed decision-making, risk mitigation and confident navigation of complex multi-jurisdictional commercial and dispute scenarios.

07. Hakluyt

Hakluyt is a global strategic advisory firm established in 1995 by former British intelligence officers, headquartered in London with offices across San Francisco, Dallas, New York, Frankfurt, Mumbai, Singapore, Tokyo and Sydney.

Company Overview

The firm has grown into a £113 million business with 196 employees, earning Band 2 Chambers recognition for Investigative Due Diligence (Global-wide). Hakluyt advises senior business executives, non-executive directors, corporate general counsel and law firms by generating insights through a unique blend of internal expertise and a global network of well-connected individuals.

Services and Value

Hakluyt delivers strategic advisory services on commercial issues and risk-based analysis for business decision-making, covering corporate strategy, M&A, market entry and exit, policy and legislation, regulation, sustainability, disputes, shareholder perspectives and senior hires. The firm operates across all major industry sectors including aerospace and defence, energy, financial services, healthcare, infrastructure, manufacturing and technology. Clients value Hakluyt’s thorough and in-depth reports, noting that the firm provides the most comprehensive intelligence in the industry with an exceptional network, benefitting from insights that help navigate complex strategic decisions, assess opportunities and mitigate risks with confidence.

08. Mintz Group

Mintz Group is a respected global investigative firm specialising in corporate intelligence and due diligence.

Company Overview

With 12 offices across seven time zones and a team of more than 280 investigators speaking over 30 languages, the firm conducts 10,000 enhanced investigations annually in more than 130 countries. Mintz Group combines local knowledge with international reach, providing clients with detailed, reliable intelligence that supports critical business decisions worldwide.

Services and Value

Mintz Group delivers internal investigations following allegations, fact gathering during disputes and comprehensive background checking before entering business relationships. The firm also conducts 300,000 screening investigations each year, offering clients robust due diligence across multiple jurisdictions. Organisations trust Mintz Group’s investigative rigour and global capability, benefitting from thorough research and practical insights that help mitigate risk, resolve complex disputes and safeguard reputation when navigating sensitive commercial and legal matters.

09. Schillings

Schillings is an established strategic advisory firm, founded in 1984, specialising in high-stakes reputation management and dispute resolution.

Company Overview

The firm deploys a unique combination of expertise to help clients handle complex opportunities and threats, combining intelligence capabilities with legal, communications, security and diplomatic support. Operating with a commitment to fair treatment of reputation and privacy, Schillings provides 24/7 immediate response when clients face sensitive and urgent situations.

Services and Value

Schillings delivers intelligence gathering to uncover what is happening and why, legal support to assert rights with confidence, strategic communications to shape narratives with key audiences and security solutions to protect clients both physically and digitally. The firm also provides diplomatic engagement to identify and reach critical decision-makers. Clients value Schillings’ integrated approach when countering hostile action, correcting misinformation, rebutting unfair accusations and navigating complex situations, benefitting from discreet, decisive support that safeguards reputation and ensures the strongest possible position in challenging circumstances.

10. BRG

BRG is a global consulting firm bringing together top-tier experts from business, academia, science and technology to address complex organizational challenges.

Company Overview

The firm combines intellectual rigour with practical, real-world experience, operating through a collaborative and entrepreneurial culture that enables professionals across geographies and disciplines to work seamlessly together. BRG’s non-hierarchical structure and seasoned leadership team provide clients with deep industry expertise spanning the major sectors of the global economy.

Services and Value

BRG’s capabilities encompass economics, disputes and investigations, corporate finance and performance improvement services. The firm delivers tailored solutions for healthcare, energy, climate and other industries, addressing economic, regulatory, damages and discovery issues in challenging business environments. Clients value BRG’s multidisciplinary approach and value-added perspectives, benefitting from analytical expertise and experienced industry leaders who provide the insights needed to navigate unfamiliar issues, resolve complex disputes and advance strategic objectives with confidence.

11. StoneTurn

StoneTurn is a global professional services firm, founded in 2004, working with law firms, corporations and government agencies to solve complex and consequential business issues.

Company Overview

Operating from offices across five continents, the firm has earned recognition in the GIR 100 for leading investigations consultancy work and multiple accolades in Litigation Support and Crisis & Risk Management. StoneTurn deploys multidisciplinary teams of industry leaders, combining deep expertise in investigations, compliance, economics, technology and cybersecurity with a commitment to collaboration, integrity and independence.

Services and Value

StoneTurn delivers investigations, business and litigation advisory and compliance services tailored to high-stakes challenges. The firm provides forensic analysis, regulatory response support, crisis management, intellectual property advisory and risk mitigation solutions across diverse industries and jurisdictions. Clients and regulators worldwide trust StoneTurn’s practical approach and unique expertise, benefitting from rigorous analysis and strategic counsel that addresses regulatory scrutiny, complex disputes and sensitive investigations with discretion and precision, enabling organisations to navigate consequential matters with confidence and maintain operational integrity.

12. Black Cube

Black Cube is a specialist Israeli intelligence firm conducting sophisticated online and offline investigations using advanced Human Intelligence (HUMINT) and Open-Source Intelligence (OSINT) techniques.

Company Overview

The firm is dedicated to uncovering corruption, fraud, bribery, asset dissipation and other white-collar crimes, combining the latest technology with deep investigative expertise to expose hidden risks and support legal actions when it matters most.

Services and Value

Black Cube provides litigation support, asset recovery and comprehensive investigations into white-collar crimes, including legally compliant admissions in fraud and embezzlement cases and unmasking money laundering, securities fraud and tax evasion. The firm’s portfolio covers negative campaign detection, counterintelligence and tracing untraceable assets or intelligence. All its services are delivered with a focus on compliance and actionable results. Clients engage Black Cube for its clarity in complex situations, advanced technology-driven methods and significant human insight, consistently achieving tangible results in exposing misconduct and shielding organisations from reputational and operational threats in high-stakes environments.

13. Blackpeak, a service of ION Analytics

Blackpeak, a service of ION Analytics, is a globally trusted due diligence specialist earning Band 2 recognition from Chambers & Partners for Investigative Due Diligence (Global-wide) for five consecutive years.

Company Overview

The firm serves top financial institutions, private equity firms, hedge funds, alternative asset managers, pension funds, family offices and sovereign wealth funds worldwide. Blackpeak’s meticulous and tailored approach assesses risks, opportunities and intricate considerations in opaque and high-stakes markets across all regions and jurisdictions, merging human insight with cutting-edge intelligence capabilities.

Services and Value

Blackpeak delivers comprehensive due diligence for M&A, IPOs, client and counterparty onboarding, investment research, litigation support and strategic market intelligence. The firm provides screening services with rigorous research skills tailored to compliance requirements, alongside bespoke research capabilities covering strategic market insight and political risk assessment. Clients trust Blackpeak’s specialized approach and proven track record, benefitting from personalized, confidential service that delivers reliable evaluations influencing compliance and executive decisions, converting risk into opportunity and optimizing long-term investment strategies in complex global markets with efficiency, integrity and sensitivity.

14. Ankura

Ankura is a global business advisory and expert services firm specialising in protecting, creating and recovering value through collaborative lateral thinking and multidisciplinary capabilities.

Company Overview

The firm is recognised by Chambers & Partners for Business Intelligence & Investigations (UK-wide) and features on Forbes’ “World’s Best Management Consulting Firms” list. Ankura’s team includes former prosecutors, enforcement agents from agencies including the U.S. Department of Justice, FBI, SEC and UK Serious Fraud Office, alongside former in-house compliance staff from global corporations.

Services and Value

Ankura delivers forensic investigations, internal investigations, fraud and corruption inquiries, conflict of interest examinations, anti-money laundering compliance, litigation support and government inquiry response. The firm provides forensic accounting that transforms financial data into admissible evidence, anti-corruption programme development and regulatory investigation support. Clients describe Ankura as demonstrating the utmost professionalism, working collaboratively and pragmatically in difficult circumstances, benefitting from immensely experienced teams with good access to challenging territories who handle the most complex corporate misconduct matters with intelligence and forensic expertise.

15. Alvarez & Marshal

Alvarez & Marsal is a global professional services firm specialising in disputes and investigations, conducting rigorous financial and economic analysis to resolve complex matters from the boardroom to the courtroom.

Company Overview

The firm brings together forensic accountants, technologists and former regulators and law enforcement professionals, leveraging an expansive global footprint to meet transnational investigation and compliance requirements. Alvarez & Marsal combines technical expertise with practical experience to address contentious legal, regulatory and compliance situations worldwide.

Services and Value

Alvarez & Marsal delivers in-depth analysis, quantum of damages assessments, forensic accounting, valuation and expert testimony in litigation and international arbitration. The firm provides electronic discovery and disclosure management, forensic investigations, forensic data analytics, cyber risk and incident response, alongside comprehensive financial crime compliance services addressing money laundering, sanctions, terrorist financing, fraud and corruption. Clients value Alvarez & Marsal’s cross-industry expertise and tailored approach, benefitting from sophisticated technology solutions and multidisciplinary teams that effectively uncover and manage evidence, enabling organisations to prevent, detect, investigate and report financial crimes with confidence.

16. Nardello & Co

Nardello & Co is the leading global investigations firm for trusted advice in complex matters, distinguished as the first and only investigative firm ranked Band 1 by Chambers and Partners in all three Business Intelligence & Investigations categories (USA, UK, and APAC regions) in a single year.

Company Overview

With more individuals ranked Band 1 than any other investigative firm, Nardello & Co operates from eight offices across New York, Washington DC, Los Angeles, San Francisco, London, Dubai, Hong Kong and Singapore. The firm’s team includes 23 senior members with government, legal or in-house corporate backgrounds, speaking over 20 languages and equipped to handle complex international cases with regional nuance.

Services and Value

Nardello & Co delivers timely and well-researched information that decision-makers rely upon to maximise opportunities, secure competitive advantages, resolve problems and avoid potentially reputation-damaging associations. The firm’s exceptional professionals bring investigative expertise and legal knowledge to deliver informed, trustworthy and actionable results wherever and whenever clients need the facts. In an increasingly complex world, clients trust Nardello & Co’s thoughtful and responsive approach, benefitting from highly confidential work and global reach that consistently delivers results in the most sensitive and challenging circumstances.

17. Kreller

Kreller Group is an established due diligence and investigations firm with more than 30 years’ experience providing critical intelligence to governments, corporations, law firms and compliance professionals.

Company Overview

The firm has completed over 500,000 engagements across 230+ countries and territories, operating with fully licensed and ethical practices. Kreller distinguishes itself through real human intelligence and on-the-ground investigations, deploying in-country professionals who understand local laws, customs and corruption risk to deliver actionable insights beyond what automated databases can uncover.

Services and Value

Kreller delivers risk-based OSINT and HUMINT due diligence, comprehensive government sanctions and watchlist screening, forensic accounting, litigation support, and fraud risk mitigation spanning ABAC to ITAR compliance. The firm provides corporate compliance programme evaluation, internal controls review, supply chain fraud investigations, asset tracing and debt recovery. Clients value Kreller’s thorough investigative approach that verifies business credentials, maps complex corporate relationships and identifies red flags others miss. Organisations trust the firm’s global network of trained investigators and customizable compliance tools, benefitting from credible, precise intelligence that reduces exposure and supports sound decision-making in multi-jurisdictional environments.

18. Arcanum Intelligence

Arcanum Intelligence is a specialist risk advisory and investigations firm, providing tailored support for corporate, legal and government clients operating in high-risk markets.

Company Overview

The team is led by former intelligence and security community professionals, bringing deep research capability and strategic advice to complex investigative assignments in difficult environments.

Services and Value

Arcanum Intelligence offers political risk analysis, background investigations, cross-border due diligence, intelligence-based asset tracing and business countermeasures for fraud or corruption. The firm is well-regarded for confidential work in emerging and sanctioned markets, dispute resolution and reputation defence. Clients choose Arcanum Intelligence for its discreet approach, specialist expertise and robust global network, benefiting from solution-focused advice and reliable intelligence in challenging circumstances.

19. Teneo Intelligence

Teneo Intelligence operates as the geopolitical risk and strategic advisory arm of the global consultancy Teneo, supporting corporations, investors and public sector entities facing uncertainty in international markets.

Company Overview

Headquartered in London and New York, the firm is recognised for its in-depth risk analysis and timely briefings on political, regulatory and ESG developments across a range of volatile sectors and regions.

Services and Value

Teneo Intelligence provides advice on market entry, stakeholder mapping, regulatory monitoring and crisis response for both public and private clients. The team delivers tailored political risk assessments, transaction due diligence, reputational monitoring and horizon scanning, alongside scenario planning and communication support for issues such as sanctions, trade policy and regulatory investigations. Clients value the firm’s integrated approach that combines strategic counsel, data-driven analysis and a global expert network, for its rapid insights and pragmatic recommendations that clarify complex issues in unpredictable risk environments.

20. Pinkerton

Pinkerton is a historic investigative and security firm, established around 1850, making it the oldest private investigation company in the United States. From its roots serving as an intelligence agency during the Civil War, Pinkerton has evolved into a world leader in comprehensive risk management, now operating as part of Securitas AB.

Company Overview

The firm’s global presence and extensive experience position it as a recognised authority in corporate investigations, with operations spanning protective services, due diligence and threat management across multiple jurisdictions.

Services and Value

Pinkerton delivers corporate investigations, compliance and ethics inquiries, litigation support and SCOUT due diligence reports that convert comprehensive intelligence into actionable information. The firm provides threat management and analysis, intellectual property investigations, counterfeiting detection, internal fraud investigations and employee screening. Clients value Pinkerton’s Intelligence & Investigations Analysts who leverage industry-leading tools, advanced artificial intelligence and sophisticated manual search techniques, benefitting from thorough, precise and credible reports that support informed decision-making, mitigate risk and strengthen partnerships when evaluating potential business affiliations, vendors and investment opportunities.

21. Quinlan Partners

Quinlan Partners is a global due diligence, investigations and business intelligence firm that represents the next generation of investigative consultancy.

Company Overview

Employee-owned and independent, the firm serves one-third of PEI Top 25 private equity firms, 50% of AmLaw 50 and 40% of AmLaw 100 law firms. Quinlan Partners has earned Chambers Band 2 recognition in both Business Intelligence & Investigations (USA-Nationwide) and Investigative Due Diligence (Global-wide), with founding partner Paul Quinlan and senior investigators ranked for multiple consecutive years. The firm was recently honoured as Strategic Intelligence Provider of the Year by Private Equity Wire.

Services and Value

Quinlan Partners delivers investigative due diligence, litigation support and internal investigations, specialising in complex and high-value matters. Drawing on roots in investigative journalism, the firm combines sophisticated public records research across multiple jurisdictions with carefully developed human source interviews to uncover hidden business interests, undisclosed relationships and questionable business practices. Clients value Quinlan Partners’ bespoke approach focused on quality rather than volume, benefitting from exceptional research depth, responsive service and trusted intelligence that goes far beyond background checks to inform high-stakes business decisions, mitigate risk and achieve strategic success.

22. G3

G3 is a global advisory business, established in 2004, specialising in strategic intelligence, cyber advisory and investigative support.

Company Overview

Based in London and with offices across Europe, the United States and Asia, G3 utilises a unique human-source network to access specialist intelligence. The firm’s team features experts from government, law, enforcement, finance and the business intelligence sector.

Services and Value

G3’s comprehensive services help clients manage risk and identify opportunities. The firm delivers strategic intelligence for commercial decisions, advice on cyber defence, asset tracing, litigation support and due diligence. Renowned for its integrity and discretion, G3 has a proven record, having completed over a thousand projects in 65 countries, serving prominent law firms, corporates, investment funds and private clients.

23. Templeton Research

Templeton Research is a boutique business intelligence firm founded by partners with extensive experience from leading London-based consultancies.

Company Overview

The firm provides valuable intelligence to decision-makers operating in complex environments where information is scarce or overabundant, with expertise across Asia Pacific markets. Templeton Research is listed in Chambers & Partners for Investigative Due Diligence (Global-wide) and draws from partners’ considerable experience in global organisations, accessing diverse, trusted and proven networks to deliver tailored research.

Services and Value

Templeton Research delivers investigative due diligence, asset tracing, compliance investigations and corruption risk analysis for law firms, banks, hedge funds, private equity firms and development finance institutions. The firm specialises in open-source intelligence, money laundering investigations and reputation management across APAC and global markets. Clients value Templeton Research’s commitment to ensuring that critical and commercially sensitive matters receive full attention and care, benefitting from customised research informed by advisors including former senior law enforcement officials, ESG specialists and financial crime experts who provide strategic guidance for complex investigative challenges.

24. Cornerstone Intelligence

Cornerstone Intelligence is an investigations and business intelligence firm supporting law firms, corporations and financial institutions with research for disputes, transactions and risk management.

Company Overview

The firm is regarded for its work in cross-border asset tracing, contentious commercial matters and due diligence in both developed and emerging markets.

Services and Value

Cornerstone Intelligence provides research and analysis backing litigation, arbitration and settlements, as well as investigative support for asset recovery, enhanced background checks, third-party risk and compliance in complex transactions. Clients benefit from market entry assessments and tailored due diligence for international expansion. The firm’s thorough approach, diverse research network and responsive reporting deliver actionable insights and clear findings for legal, commercial and reputational decision-making.

25. Greyhawk

Greyhawk is an independent corporate intelligence firm with a broad international reach, specialising in supporting transactions in unfamiliar markets and investigating suspected corporate wrongdoing.

Company Overview

The firm is frequently engaged to provide trusted intelligence to both in-house and external counsel during complex and high value disputes and is known for delivering practical insights in critical situations.

Services and Value

Greyhawk offers specialist support to M&A and corporate development teams, providing market entry due diligence and assessments of country-specific risk. The firm conducts integrity checks on companies and their management, and supports internal investigations relating to fraud, corruption and other unusual threats, often working alongside forensic and legal experts. Renowned for its forensic, methodical approach and knowledgeable team, Greyhawk is seen as a go-to partner for intelligence needs in challenging jurisdictions.

26. Quintel Intelligence

Quintel Intelligence is a specialist legal intelligence provider, founded in 2012, operating at the intersection of investigations, litigation, risk and crisis management.

Company Overview

The firm has earned Chambers Band 2 recognition in Business Intelligence & Investigations (UK-wide) and Band 3 in Litigation Support, with CEO Nicholas Connon individually ranked Band 2 for his expertise in complex, cross-border investigations and money laundering matters. Quintel’s team is drawn from British Intelligence communities, legal investigative backgrounds and finance and property specialists, registered with the Association of British Investigators.

Services and Value

Quintel Intelligence delivers due diligence, global risk investigations, litigation support, crisis management and cryptocurrency investigations. The firm works with private clients, high-profile individuals, major international brands, sporting institutions and the legal services market, deploying specialised personalised services to defuse crises and mitigate risks. Clients value Quintel’s stellar investigative capabilities and impeccable judgment, benefitting from a team that deep dives and leaves no stone unturned, providing accountable and legally obtained evidence across multiple jurisdictions that delivers tangible advantages in contentious matters and supports informed decision-making in high-stakes situations.

27. The Chertoff Group

The Chertoff Group is a global advisory firm specialising in security risk management, investigations and strategic consulting, serving clients in defence, government, critical infrastructure and regulated industries.

Company Overview

Headquartered in Washington, D.C., the firm is distinguished by its team of senior experts with backgrounds in both public and private sector leadership. The Chertoff Group is recognised for its ability to provide practical advice and resilient frameworks, enabling organisations to navigate sensitive and high-risk environments.

Services and Value

The Chertoff Group delivers comprehensive advisory support on cyber and physical security, resilience planning, regulatory compliance, supply chain risk and managing geopolitical threats. Its consultants assist with business continuity, threat response, forensic investigations, data protection and M&A advisory. Particularly, The Chertoff Groups assists companies in the defence and cybersecurity sectors. Clients value the firm’s operational expertise and independent approach, trusting them to coordinate requirements between private and public sectors in times of risk, transformation or regulatory scrutiny.

28. Raedas Investigations

Raedas Investigations is a specialist investigations firm based in London, focused on contentious legal disputes, asset tracing and intelligence gathering for high-stakes, international scenarios.

Company Overview

The firm routinely works with leading law firms, corporates and high-net-worth individuals on global matters involving complex asset structures, sanctions and cross-border enforcement. Raedas is especially recognised for its expertise in adversarial litigation and arbitration concerning Russian and CIS markets.

Services and Value

Raedas provides support in the form of documentary and testimonial evidence for legal proceedings, judgement enforcement and internal investigations, as well as advisory in crises and under external pressure. The team excels in asset tracing, forensic accounting, sanctions investigations, reputation management and crypto-asset recovery. Known for their rigorous methodologies and deep regional expertise, Raedas offers robust, practical solutions that meet strict evidentiary standards. Earning Raedas distinction as the only provider ranked Band 1 by Chambers & Partners for both business intelligence and asset tracing and recovery.

29. Investigative Group International

Investigative Group International (IGI) is Washington’s premiere investigations and risk advisory firm, established for over 40 years and recognised as the gold standard of financial private detection.

Company Overview

The firm has earned the trust of leading institutions and prominent individuals through proven experience and expertise in developing actionable intelligence and findings of fact. IGI is legendary for its opposition research probes that expose unseen connections, combining investigative rigour with strategic insight to support high-stakes decision-making.

Services and Value

IGI delivers investigative due diligence, financial investigations, litigation support and risk mitigation services that help companies and individuals make better-informed business, legal and financial decisions. The firm specialises in uncovering complex relationships and hidden risks in adversarial and competitive situations, providing clients with the insight needed to manage exposure and prevail in contentious matters. Clients value IGI’s four decades of investigative excellence and discreet approach, benefitting from thorough research and practical intelligence that enables confident action when navigating sensitive commercial disputes, regulatory challenges and reputational threats.

30. Investigative Solutions International

Investigative Solutions International is a privately held firm delivering investigative and security advisory services for corporates, law firms and individuals.

Company Overview

Founded in the USA, the firm now works globally, addressing complex business, legal and compliance issues for clients across borders.

Services and Value

Services include private investigations, tactical operations, executive protection, compliance reviews, fraud investigations, surveillance and technical forensics. The firm conducts due diligence for M&A and business partnerships, supporting both criminal and civil matters. Clients appreciate its responsiveness, experienced team and reliable, practical intelligence for demanding assignments.

31. Wallbrook

Wallbrook is a specialist intelligence and due diligence firm committed to building a more sustainable future through responsible business practices.

Company Overview

The firm leverages best practices, cultural and linguistic expertise and on-the-ground intelligence to help organisations respect human rights, limit environmental impact and benefit society. Recognised with top Chambers rankings in 2025, Wallbrook operates as an independent intelligence gatherer working at the intersection of global business, politics and finance, with particular focus on emerging markets and the developing world.

Services and Value

Wallbrook delivers ethically sourced intelligence for acquisitions screening, management team and executive hire vetting, beneficial ownership investigations for sanctions and political exposure, sector and country risk assessment, asset tracing and ESG reviews and impact assessments. The firm provides dispute resolution support by arming counsel with reliable, timely intelligence that helps parties defend their rights and achieve fair outcomes. Clients value Wallbrook’s beyond-compliance approach that addresses corruption as the root cause of sustainability challenges, benefitting from objective, ethical intelligence that enables leading organisations to protect their reputations, attract responsible investors and talent and act with integrity across complex international markets.

32. Consilio Risk Management

Consilio Risk Management is a global leader in eDiscovery, risk advisory and legal consulting, supporting law firms and multinational corporations across highly regulated sectors.

Company Overview

Founded in 2000, the firm is renowned for managing complex litigation, regulatory matters and compliance challenges, combining advanced technology with deep industry expertise to deliver defensible and practical solutions in demanding legal environments.

Services and Value

Consilio supports clients with forensic investigations, data analytics, compliance audits, cyber incident response, litigation readiness and legal operations optimisation. The firm is particularly known for advanced document review, information governance and regulatory response work, helping clients handle merger reviews, internal investigations and cross-border eDiscovery projects. Trusted for its global capacity, rapid response and discretion, Consilio Risk Management provides practical outcomes, robust data security and reputational safeguarding for high-stakes legal and regulatory matters.

33. Black Box

Black Box Global is a private investigation agency providing comprehensive national criminal investigation services to individuals and organisations.

Company Overview

The agency is known for its professionalism and dedication to confidentiality, ensuring that clients facing complex challenges receive accurate intelligence and reliable support.

Services and Value

Black Box Global offers tailored private and criminal investigation solutions, empowering clients with timely, actionable intelligence. The agency aligns its approach with national investigative goals and frequently collaborates with law enforcement to uphold justice. Renowned for customised solutions and a strong commitment to discretion, Black Box Global is a trusted partner for both private individuals and organisations seeking expertise in sensitive investigations.

34. G4S

G4S is one of the world’s largest security and risk management firms, delivering intelligence, investigation and strategic advisory services to corporations, governments and critical national infrastructure in more than 90 countries.

Company Overview

The firm is recognised for its ability to blend open-source intelligence with ground-based operations, using local teams and a global footprint to support clients in complex and high-risk environments.

Services and Value

G4S provides tailored intelligence analysis, security threat assessments, risk management consulting, incident investigation and business continuity planning. Its services include compliance audits, crisis response, geopolitical foresight and specialist advisory for aviation, energy, ports and post-conflict sectors. G4S Risk Consulting also offers training, capacity building and robust asset protection, supported by a trusted network that ensures rapid access to intelligence and expertise worldwide. Clients choose G4S for its operational depth, reliability and capacity to deliver bespoke solutions for resilience, compliance and crisis management, making it a preferred partner in volatile and emerging markets.

35. Global Intelligence Service

Global Intelligence Service (GIS) is a specialist information and advisory firm offering business intelligence, market insight and commercial representation for academic institutions, government agencies and corporate clients across the Americas and the Caribbean.

Company Overview

With headquarters in North Carolina and an office in Mexico City, GIS acts as a facilitator for research, strategic development and institutional partnerships, providing both quality and professionalism in cross-border engagement.

Services and Value

GIS delivers business intelligence reports, competitive market analysis, brand and commercial representation, as well as bespoke research tailored to institutional requirements. The firm supports multinational clients with local expertise in new markets, helping them navigate strategic development and partnership opportunities. Organisations choose GIS for its regional experience, flexible service model, and professional commitment. Clients rely on the firm’s combination of human expertise and innovative information solutions for effective local intelligence and robust support throughout the Americas.

36. TUnited Intelligence Group

United Intelligence Group is a full-service private investigations and corporate intelligence firm serving both corporate and private clients across the United States.

Company Overview

Committed to integrity and results-driven service, the agency relies on a team of highly trained and licensed investigators to address complex investigative needs with professionalism and precision.

Services and Value

The firm provides services including background investigations, asset searches, attorney services, police misconduct cases, litigation support and internal employee reviews. Additional offerings encompass fraud detection, competitive intelligence and domestic investigations for both organisations and individuals. Clients value United Intelligence Group for its rigorous methodology, responsiveness and tailored client service, with a strong reputation for producing actionable results, upholding ethical standards and effectively navigating challenging legal, financial and regulatory matters.

37. Reconnaissance International

Reconnaissance International is a specialist provider of business intelligence and consultancy in the fields of currency, document security, brand protection and authentication.

Company Overview

Established in 1988, the company delivers authoritative market insight, strategic guidance and technical analysis to government agencies, corporations and industry partners operating in fast-moving and highly regulated security sectors. With decades of experience, it has become a trusted partner for organizations seeking clarity and expertise in complex technical markets.

Services and Value

The company provides a wide range of services including specialist publications, research reports, industry newsletters, conferences, bespoke consultancy, training and association management. Clients benefit from technical and commercial advice, custom analysis, trading platforms and tailored strategy development across areas such as optical technologies, identity protection and anti-counterfeiting. Reconnaissance International stands out for its unrivalled industry knowledge, global reach and ability to deliver timely and actionable information, enabling organizations to make confident and informed decisions in sensitive industries.

38. Bluestar

BlueStar Intelligence provides technology-driven research, business intelligence and analytic solutions for corporate, legal and public-sector clients.

Company Overview

 The firm leverages proprietary software and data analytics to enable police forces, agencies and corporations to manage operational risks, detect fraud and improve strategic decision-making capabilities.

Services and Value

BlueStar delivers intelligence analysis, secure data integration, identity verification, forensic casework, criminal profiling and management information tools for law enforcement and regulated industries. Their solutions support briefing, incident recording, mapping, dashboard reporting and workflow management, all customisable to operational needs. BlueStar Intelligence is respected for its flexible technology, robust support and record of delivering meaningful, actionable information, with national-scale solutions and a reputation for reliability and service in challenging environments.

39. Aperio intelligence

Aperio Intelligence is a London-based consultancy firm offering global businesses and organisations strategic intelligence and due diligence services.

Company Overview

Founded by Adrian Ford, the firm has earned Band 3 recognition from Chambers & Partners for Investigative Due Diligence (Global-wide) for two consecutive years. Aperio Intelligence provides insightful intelligence on subjects and situations worldwide, enabling decision-makers to act with confidence across diverse jurisdictions and complex regulatory environments.

Services and Value

Aperio Intelligence delivers investigative due diligence on third parties worldwide, internal investigations, asset tracing and recovery, litigation support, ESG due diligence, performance improvement and stakeholder engagement. The firm also provides intelligence for new market entry, complex commercial situations and political risk assessment. Clients value Aperio Intelligence’s global reach and analytical capabilities, benefitting from comprehensive research that addresses regulatory developments, supply chain compliance and strategic decision-making in challenging markets and sensitive commercial matters.

40. Sage Analytics

Sage Analytics is a specialist provider of data analytics and business intelligence solutions, helping organisations integrate, manage and interpret financial and operational data across complex environments.

Company Overview

 The firm’s focus is on enabling clients to gain clarity in budgeting, forecasting and strategic decision-making with technology that supports both cloud and on-premises deployments.

Services and Value

Sage Analytics delivers cloud-based and on-premises solutions for budgeting, forecasting, dashboard reporting, cash flow analysis and predictive modelling. Its core product, Sage Data & Analytics, integrates data from ERP, CRM and HR systems, supporting enhanced performance tracking and compliance. The firm is trusted for robust technology, fast delivery of insights and its ability to simplify reporting and optimise operational efficiency for organisations with demanding analytics and reporting needs.

41. Eagle Investigations

Eagle Investigations is an established firm specialising in private and corporate investigations, security consulting and training for a broad client base.

Company Overview

With teams of experienced law enforcement professionals, the company operates both in the UK and internationally, focusing on confidential and results-driven assignments tailored to individual client needs.

Services and Value

The firm offers background checks, asset tracing, surveillance, fraud detection and skip tracing for corporate, legal and private clients. Eagle Investigations also delivers accident investigations, school and college safety audits, security consulting and bespoke training for crisis response and risk mitigation. Recognised for its experience, discretion and blend of traditional skills with modern techniques, Eagle Investigations provides reassurance and practical outcomes across commercial, legal and personal cases.

42. Intelligo Group

Intelligo Group is a technology-driven risk intelligence and due diligence firm combining artificial intelligence with expert human analysis to deliver comprehensive background checks, continuous monitoring and compliance solutions for global asset managers, financial institutions and corporations.

Company Overview

The firm is recognised for automating public record research, asset tracing and investment due diligence with thorough profiles and real-time risk flagging on individuals and entities involved in transactions and partnership reviews.

Services and Value

Intelligo’s platform automates background research, asset tracing, investment due diligence, anti-money laundering checks and executive vetting, covering pre-investment screening, ongoing monitoring, document verification, conviction screening and fraud detection for private equity, family offices, banking and insurance sectors. Clients value Intelligo Group for its rapid turnaround, cost-effective reporting and assurance of AI-powered analysis validated by human experts, enabling organisations to reduce regulatory and reputational risks and make confident decisions when engaging in new business relationships or investments.

43. Blue Water Shield

Blue Water Shield is a business intelligence company focused on empowering clients to prevent and manage risks within and outside their organisations.

Company Overview

Drawing on powerful analytics, advanced intelligence expertise and cutting-edge technologies rooted in the Israeli intelligence community, the firm also uses predictive personality models developed by cognitive psychologists to offer decision-makers reliable data and behavioural insights on key individuals.

Services and Value

The company delivers comprehensive intelligence solutions, integrating advanced analytics and intelligence gathering to analyse, predict and influence human behaviour. By employing multidisciplinary approaches, Blue Water Shield equips clients with a holistic, verified picture to underpin informed, confident decision-making. Known for its expertise in business intelligence and behavioural analysis, the firm is valued for providing critical insights and strategic advantage to organisations operating in complex and fast-moving environments.

44. Primetime Investigations

Primetime Investigations is an independent investigation firm providing discreet research, surveillance and intelligence services to law firms, corporations and individuals.

Company Overview

The firm excels in handling sensitive personal, commercial and legal inquiries, ensuring that evidence collection and risk assessment adhere to demanding industry standards.

Services and Value

The company offers surveillance, fraud detection, background checks, due diligence and litigation support across a wide range of sectors. Clients depend on Primetime Investigations for competitor and employee investigations, internal compliance reviews and asset tracing, as well as bespoke inquiries for insurance, family law and corporate disputes. The firm is valued for its confidentiality, prompt response and practical, detailed reporting, delivering operational flexibility and intelligence for both individual and corporate clients in complex assignments.

45. Global Intelligence Network

Global Intelligence Network (GIN) is a specialist advisory firm dedicated to identifying, analysing and managing strategic risks for government agencies, private corporations and institutional investors.

Company Overview

Founded by experienced security professionals, GIN is recognized for its rigorous research and sophisticated intelligence methodologies that provide support for both immediate decision-making and long-range risk management.

Services and Value

The company offers surveillance, fraud detection, background checks, due diligence and litigation support across a wide range of sectors. Clients depend on Primetime Investigations for competitor and employee investigations, internal compliance reviews and asset tracing, as well as bespoke inquiries for insurance, family law and corporate disputes. The firm is valued for its confidentiality, prompt response and practical, detailed reporting, delivering operational flexibility and intelligence for both individual and corporate clients in complex assignments.