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Slaughter and May

Living Wage
Work 020 7600 1200
Fax 020 7090 5000
Beijing, Brussels, Hong Kong, London

Jonathan Cotton

Work 020 7090 4090
Slaughter and May

Work Department

Dispute resolution.


Jonny is co-head of the firm's Global Investigations Group and a Disputes Partner. He specialises in a broad range of disputes and investigations, particularly those involving allegations of ‘wrongdoing’ in various forms, including corporate crime (including bribery and fraud) and civil fraud conspiracy claims. On the criminal/regulatory side, he has been involved in investigations and cases concerning cartels, the Bribery Act, the Proceeds of Crime Act, the Fraud Act, export controls and sanctions, as well as Companies Act offences.


Trained Slaughter and May; qualified 1996; partner 2004.
He is the author of a chapter on the ‘adequate procedures’ defence in Lissack & Horlick on Bribery and co-editor of The Dispute Resolution Review.


Poole Grammar School; St Edmund Hall, Oxford.

London: Corporate and commercial

Financial services

Within: Financial services

Slaughter and May provides a 'very strong service' to a broad range of financial services clients including advising non-regulated businesses on the impact of financial services regulation. Ewan Brown has been involved in numerous multi-jurisdictional market manipulation cases, including his representation of JP Morgan Chase as one of the defendants accused of rigging the FX market. Alongside Deborah Finkler and Jonathan Clark, Brown was also involved in the long-running representation of Deutsche Bank in the LIBOR regulatory investigations and continues to act for the bank assisting with monitoring and remediation programmes following its settlements with the US and UK regulatory authorities. The 'phenomenal' Jonathan Cotton regularly handles financial services-related work as part of his wide-ranging global investigations and disputes practice; alongside Finkler he represented Carillion plc in an investigation undertaken by the FCA, following its adverse trading announcement, into potential market abuse violations. The firm also has a formidable presence in the market acting on transactional work in the sector, in addition to strategic advice on ongoing regulatory matters. Team head Jan Putnis is regularly at the forefront of the highest-profile matters handled by the team including his recent representation of Prudential plc on the proposed demerger of its UK and European business. Ben Kingsley recently provided the regulatory input in relation to the firm's representation of UK Asset Resolution and Bradford & Bingley plc on the disposal of legacy owner occupied and buy-to-let mortgage assets to an investor group led by Barclays Bank. Kingsley is also recommended for his fintech expertise.

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London: Crime, fraud and licensing

Fraud: civil

Within: Fraud: civil

Slaughter and May¬†¬†advises on investigations, litigation, freezing orders, asset tracing, arbitrations and advisory work in relation to civil fraud. The firm continues to advise Mercuria with regards to carousel fraud claims brought against it and its co-defendant RBS in a case valued at ¬£84m. It also acts for Barratt in a bribery case concerning a former employee. Sarah Lee¬†heads the team, supported by the ‚Äėvery smart and very strategic‚Äô Deborah Finkler. Jonathan Cotton¬†and Efstathios Michael¬†are recommended. Nick Gray¬†and Richard Clark¬†retired.

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London: Dispute resolution

Commercial litigation

Within: Commercial litigation

Acting for FTSE 100 clients across all industry sectors, Slaughter and May's 'excellent team' is widely respected for high-stakes commercial and corporate litigation, including the full range of post-acquisition, joint venture, shareholder and partnership disputes that frequently have cross-border elements.  Sarah Lee, who was elected head of the firm's dispute resolution group, acted for Mercuria Energy Europe Trading in claims brought against it, and its co-defendant, RBS, in the Financial List, which arose out of trading in the carbon emissions market in 2009; the claims relate to alleged missing trader intra-Community VAT fraud. In other significant matters, Jonathan Cotton acted for Diageo in proceedings against Vijay Mallya (the owner of both Force India Formula 1 team and Kingfisher Airlines), his son and various associated entities; the claim relates to various alleged breaches by the defendants of numerous commercial agreements. Other highly rated advisers include Richard Swallow, whose practice covers banking and financial services disputes, fraud and asset tracing, energy sector matters and contentious antitrust issues, including follow-on damages actions; and Damian Taylor, who 'provides clear and pragmatic advice on difficult questions'. Also recommended are Deborah Finkler, Efstathios Michael, Ewan Brown, Jonathan Clark, Richard Jeens and James Stacey, while Camilla Sanger is a key associate. Richard Clark retired from the partnership and Nick Gray joined international arbitration think tank, Newton Arbitration. 

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London: Risk advisory

Regulatory investigations and corporate crime

Within: Leading individuals

Jonathan Cotton - Slaughter and May

Within: Regulatory investigations and corporate crime

Slaughter and May¬†is ‚Äėa go-to firm for international corporate investigations‚Äô and has ‚Äėstrength and depth in the team, very good associates and provides excellent strategic advice‚Äô. The firm continues to act as corporate counsel for Rolls-Royce in relation to investigations by the SFO, DOJ and Brazilian authorities into bribery and corruption in overseas markets, this matter was worth around ¬£671m. Other key clients include Shell and British American Tobacco. Sarah Lee¬†heads the team, supported by Jonathan Cotton¬†and Richard Swallow¬†who is ‚Äėsavvy and creative, and has a nice touch with clients and prosecutors‚Äô. Deborah Finkler¬†is ‚Äėvery smart and very strategic‚Äô. Nick Gray¬† and Richard Parker¬†retired.

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