Skip to Primary Navigation

Duncan Grieve | Signature Litigation

Duncan is a Partner at our London office specialising in investigations and white collar crime.

He has deep experience in leading cross-border investigations involving issues in foreign jurisdictions, acting for corporates, boards and individual clients, and has advised on many of the major multinational cases of the last 15 years.

He has leading experience in Brazil, Portugal and Lusophone Africa and has also handled major matters involving Russia, China, India, South Africa, Ecuador, Kazakhstan, Saudi Arabia, Germany, Greece, Romania, the Czech Republic, Canada and Japan.

A fluent Portuguese speaker, Duncan spent two years in Brazil advising clients in investigations stemming from Lava Jato (Operation Car Wash), including the negotiation of novel leniency agreements with Brazilian prosecuting authorities and regulatory agencies. His combination of fifteen years cross-border investigations experience, on-the-ground experience in Brazil and fluency in Portuguese is unique in the London market.

Duncan represents individuals subject to internal, regulatory and criminal investigation. He advises on all sensitivities and risks arising from such matters including legal, reputational and privacy issues and is attuned to the need to maintain relationships with government and regulatory authorities. He has acted for clients in relation to public enquiries and Parliamentary Select Committee appearances.

Duncan also advises on financial sanctions and trade embargoes. He provides counsel to clients on the application of UK sanctions across a range of sectors and assists clients to comply with reporting obligations to the UK authorities, as well as handling investigations into potential sanctions breaches.