Jonathan Cotton > Slaughter and May > London, England > Lawyer Profile

Slaughter and May

Living Wage

Work Department

Disputes, Arbitration and Global Investigations


Jonny is Co-Head of our Global Investigations Group. For over 25 years he has helped many clients investigate and defend allegations of wrongdoing in civil, criminal and regulatory cases across sectors from telecoms to fast-moving consumer goods to financial services.

On the criminal/regulatory side, Jonny regularly acts on investigations, criminal prosecutions and regulatory cases concerning the Bribery Act, the Proceeds of Crime Act, the Fraud Act, FSMA, export controls and sanctions, as well as Companies Act offences.

On the civil side, Jonny advises on fraud cases involving extractive frauds, accounting frauds, misrepresentations, the ‘theft’ of confidential information by employees and competitors and conspiracy.

Jonny is also often involved in contractual disputes, competition disputes and restructuring/insolvency matters. He also often advises on contentious aspects of corporate transactions, including takeovers.


Trained Slaughter and May; qualified 1996; partner 2004.


Poole Grammar School; St Edmund Hall, Oxford.

Lawyer Rankings

London > Crime, fraud and licensing > Fraud: civil

Combining civil and criminal fraud expertise, Slaughter and May represents global corporates, financial institutions and governments on disputes with a fraud component. The firm is ‘incredibly experienced at civil fraud work – both investigations and litigation (the latter, on both sides, claimant and defendant)’. A key specialism for the group is complex and cross-border work, with one client noting that ‘for the most difficult and sensitive cases – with the very most at stake – they are the first port of call for the biggest corporates‘. Richard Swallow leads the team that includes experienced fraud practitioners Jonathan Cotton and Efstathios Michael.

London > Risk advisory > Regulatory investigations and corporate crime (advice to corporates)

(Leading individuals)

Jonathan CottonSlaughter and May

Praised for its ‘360-degree service’, Slaughter and May’s recent track record includes acting on some of the longest-running, high-profile fraud and corruption investigations conducted by the SFO. In addition, the team is adept at handling internal investigations for multinational companies, prominent financial institutions, and government and public sector bodies. For more demanding assignments, clients also benefit from the firm’s dedicated legal tech team, which is particularly helpful for document reviews and e-disclosure; a legal project manager is also often involved in coordinating investigations. The group stands out for its cross-border work; with disputes and investigations practice head Richard Swallow singled out for being ‘extremely smart, tough-minded and strategic’ – skills he successfully utilises in multi-jurisdictional investigations conducted by the SFO, the DOJ and other authorities overseas. The practice has seen a number of significant changes over the last year.  Former practice head Sarah Lee retired from the partnership at the end of 2020, with the firm hiring senior counsel Angela Taylor from Travers Smith LLP at the same time. The global investigations group is now jointly led by Jonathan Cotton (‘hugely experienced and wise’) and Ewan Brown (‘frighteningly bright’). Tim Blanchard was promoted to partner in May 2020, while Ella Williams has been a senior counsel since November 2020. Gayathri Kamalanathan joined the firm from a bank in April 2021, but is already garnering praise for her deep understanding of the financial services sector.