Ewan Brown > Slaughter and May > London, England > Lawyer Profile

Slaughter and May

Living Wage

Work Department

Global Investigations
Financial Regulation
Competition Litigation
Tax Disputes
Strategic Sourcing


Partner; Ewan is Co-Head of our Global Investigations Group. He has a broad-based contentious practice with a particular focus on financial institutions, acting in both litigation and regulatory investigations. Ewan also has experience advising in relation to corporate crime, competition claims, shareholder disputes, outsourcing and tax appeals.


Joined firm 2000. Partner since 2006.



Lawyer Rankings

London > Corporate and commercial > Financial services: contentious

(Leading individuals)

Ewan BrownSlaughter and May

At Slaughter and May, the London-based financial services regulatory investigations practice sits within the firm’s cross-practice global disputes and investigations group, which is helmed by Richard Swallow. The group advises clients across the financial services sector on the gamut of UK, EU and global regulatory issues, and continues to excel in handling high-stakes domestic and cross-border enforcement actions. Ewan Brown and Jonathan Cotton act as the co-heads of the global investigations practice. Other key contacts include Holly Ware, Jonathan Clark and Gayathri Kamalanathan. ‘Senior figureDeborah Finkler also remains an active part of the department.

London > Dispute resolution > Tax litigation and investigations

The ‘gold standard in tax litigation’, Slaughter and May is prominent in the full scope of contentious tax, including transfer pricing, diverted profits tax, and tax residence matters. The ‘very strong’ team benefits from a deep relationship with HMRC, significantly aiding in dispute resolution. Richard Jeens, who is experienced in complex multi-jurisdictional disputes, co-leads the department alongside Dominic Robertson, whose practice includes EU tax state aid investigations as well as transfer pricing and DPT enquiries. Ewan Brown co-heads the global investigations group and acts in both litigation and regulatory investigations. Mike Lane advises domestic and international clients on a range of contentious matters. Sarah Osprey made partner in May 2023 and advises major multinational clients in a diverse range of tax matters. Steve Edge retired from the practice in May 2022.

London > Dispute resolution > Banking litigation: investment and retail

(Hall of Fame)

Ewan BrownSlaughter and May

Slaughter and May’s practice is, for one client, ‘responsive, creative, and collaborates well with other counsel to deliver extraordinary results’, and acts on many of the complex high-value inquiries, and major regulatory investigations. The team notably represents Credit Suisse in multi-billion-dollar claims and JP Morgan Chase Bank in high court litigation linked to global forex investigations. Richard Swallow is ‘preeminent with good reason’, and leads the team. ‘Very experienced, calm, measured, and strategic advisorEwan Brown has a broad-based banking litigation and investigations practice, and is key to the team alongside ‘exceptional advisorGayathri Kamalanathan. Also at partner level, Camilla Sanger and Richard Jeens both have expansive banking and financial services litigation practices, along with Jonathan Clark and Peter Wickham. At associate level, Edward Coles is singled out for his ‘ mastery of complex matters and attention to strategy‘.

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

Showcasing vast expertise in cross-border financial regulatory and corporate crime investigations, Slaughter and May’s practice is viewed as ‘gold standard’ by one client, acting on behalf of clients within the finance, natural resources, and healthcare spheres. The team routinely deals with domestic regulators- such as the SFO and FCA- as well as demonstrating robust international capabilities supporting global corporations in complex multi-jurisdictional investigations conducted by the US DOJ and SEC. Team head Richard Swallow is an expert on regulatory and criminal proceedings while the ‘superb’ Jonathan Cotton regularly deals with allegations of wrongdoing and corruption. Jonathan Clark advises on fraud and tax evasion matters, while Ewan Brown and Holly Ware are noted for their regulatory and criminal work. Gayathri Kamalanathan is knowledgeable on litigation and arbitration proceedings, with Tim Blanchard advising on bribery and corruption affairs. Senior counsels Ella Williams and Nicholas Querée are also noted.