Advising on quantum, accounting, and financial issues in complex and sensitive private-client, family, and high-net-worth disputes.

We support you in the quantification of damages and business valuation, whether you require early-stage advice on a potential claim or an independent expert witness. Our services cover large complex shareholder disputes, matrimonial disputes, minority oppression claims, trust and estate disputes, and invested assets, such as managed-fund portfolio claims or crypto disputes.

  • Global network
  • Industry-leading expertise
  • Onshore/offshore coordination
  • Global network
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    Our key practitioners in the UK and across the globe provide comprehensive valuation expertise wherever you need it.
  • Industry-leading expertise
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    Ranked Band 1 by Chambers and Partners for the provision of litigation support services.
  • Onshore/offshore coordination
    Onshore/offshore coordination
    Track record of high-profile international assignments, including BI v Credit Suisse, and the deceased estate of Boris Berezovsky.

Why Grant Thornton

We understand that private-client matters are often complex, cross-border, sensitive, and emotionally-charged. Whatever your situation, we are able to personalise our approach to your needs.

We can draw upon support from our colleagues across our international network of over 140 countries, including the key offshore jurisdictions, in multiple services:

  • Economic consulting
  • Cyber consulting
  • Tax
  • Investigations
  • Contentious business valuations
  • Key-sector-specific issues
  • Asset recovery

We can work collaboratively with you and your legal team to support you at all stages of your dispute, from initial expert advice on strategy to deploying corporate intelligence investigations; litigation support; expert witness support; international tax considerations; asset recovery and enforcement.