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10 July 2025
Categories: Movers & Shakers , Profession
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Signature Litigation—Mark Beardsworth & Duncan Grieve

Firm launches global white collar crime practice with two-partner hire

Signature Litigation has appointed Mark Beardsworth and Duncan Grieve as partners in its London office, marking the launch of its global white collar crime and investigations practice. The duo joins from Goodwin Proctor and Cadwalader, Wickersham & Taft respectively, bringing decades of experience in high-profile investigations and cross-border matters.

Mark Beardsworth (pictured) has acted in some of the UK’s most significant Serious Fraud Office investigations, including those involving IKEA, BAE Systems, Rolls Royce, and Barclays Qatar. He also advises on corporate governance and compliance, particularly during M&A and distressed scenarios. ‘I am delighted to be joining Signature in London and to work alongside Duncan to add weight to the firm’s global expertise,’ said Mark.

Duncan Grieve brings extensive experience in cross-border investigations, particularly in Brazil, Portugal and Lusophone Africa. A fluent Portuguese speaker, he advised on Operation Car Wash and negotiated leniency agreements with Brazilian authorities. ‘I am excited to be working with Mark again and to contributing to Signature’s disputes-only platform,’ Duncan commented.

Graham Huntley, founding partner at Signature Litigation, welcomed the appointments, calling Mark and Duncan ‘formidable operators’. He added: ‘Our platform as a disputes-only law firm provides fresh opportunities for Mark and Duncan to extend their reach collectively in London and internationally.’

MOVERS & SHAKERS

Freeths—Sophie Fulwell

Freeths—Sophie Fulwell

National firm strengthens Liverpool employment practice with director hire

Cargo Law—Francesca Santoro

Cargo Law—Francesca Santoro

Specialist marine law firm expands disputes practice with senior hire

Ward Hadaway—19 promotions

Ward Hadaway—19 promotions

19 promotions across national offices, including two new partners

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