Forensic and investigation services
Market-driven expertise in investigations and dispute resolution
Our forensic and investigation services team will support you at every stage of your matter, in an investigative, advisory or testifying expert witness capacity.
Complex, high stakes fraud and integrity matters and commercial disputes require recognised and trusted professionals to deliver diverse solutions.
Ranked Band 1 Forensic Accountants by Chambers and Partners, our full-service practice includes dispute resolution, investigations, contentious valuations, competition and monitoring trustee, data analytics, corporate intelligence and corporate risk and assurance capabilities.
50+ times our UK disputes team have been expert witnesses including on claims worth multiple US$ billions
Top Ranked for Litigation Support in 2025 Chambers Rankings
150 markets worldwide where our team have local knowledge and sector expertise
Our forensic and investigation services
Whistleblowing and investigation support
Whistleblowing frameworks provide many benefits – find out how to build trust and manage risks in a confidential, cost-effective, robust way.
Industry-wide litigation support and investigation services for lawyers and law firms.
Forensic investigations and special situations
Do you need clarity in an uncertain situation? If you're accused of wrongdoing we can help you get the facts right.
Competition and monitoring services
Monitoring trustee services to competition, financial and regulatory bodies.
Corporate intelligence often involves cross-border complexities. Our experienced team can offer support.
Advising on quantum, accounting and financial issues in commercial disputes.
Our forensic data analytics team are helping businesses sift the truth from their data. See how we can help your firm.
Supporting your fight against financial crime in an ever-changing environment
Why Grant Thornton
Where you have experienced financial loss, regulatory enforcement or are the subject of a legal claim, we will assist you to recover financially and operationally, providing you with the assurance you need to satisfy regulators, shareholders, executives and staff.
Our global forensic practice spans over 145+ countries, providing an international capability wherever you may need it, enhanced by local expertise.
You will get lean, senior and multidisciplinary teams that are outcome oriented. We find and use information to help inform your strategic decision-making.
Awards
Legal 500 - Top Tier Disputes Services Provider 2026
Get in touch
Steve Holt
Partner, lead of the Global Forensic Practice
Contact Steve Holt
Learn more about Steve Holt
Nested Financial Crime…
Video: Nested relationships in correspondent banking can expose firms to hidden financial crime risks. Learn how to improve oversight, transparency and monitoring.
3 min listen|27 May 2026