Gayathri Kamalanathan > Slaughter and May > London, England > Lawyer Profile

Slaughter and May

Living Wage

Work Department

Disputes, Global Investigations, Litigation, Arbitration, Financial Regulation



Gayathri has extensive experience of handling complex domestic and cross-border investigations and litigation. She has more than a decade of leading edge experience from senior in-house roles at banks as well as over 9 years in private practice advising corporates and financial institutions across a broad spectrum of contentious regulatory, litigation and arbitration matters.

Most recently, Gayathri was Head of Group Litigation and Enforcement at Danske Bank in Copenhagen where she played a lead role in managing the bank’s ongoing investigations by regulators and criminal prosecutors in multiple jurisdictions including in relation to its former Estonian branch. Prior to that, Gayathri was UK Head of Litigation and Regulatory Enforcement for Deutsche Bank, managing a broad range of litigation matters and cross border regulatory investigations, including in relation to LIBOR.

Gayathri is listed in Global Investigation Review’s Top 100 Women in Investigations 2021, was nominated for Rising Star In-House Counsel of the year (2018) in the Legal 500’s Legal Business Awards and was included in the Financial News’ 40 under 40 Rising Stars in Legal Services, 2013.


Joined firm 2021. Partner since 2021.

Lawyer Rankings

London > Corporate and commercial > Financial services: contentious

At Slaughter and May, the practice is able to leverage the experience of Deborah Finkler, a lawyer with a three-decade long track record of acting on FCA, PRA and FOS proceedings. Elsewhere, Ewan Brown serves as a go-to within the market for FX manipulation cases, while Holly Ware is a figure of prominence owing to her LIBOR investigation, market abuse and money laundering know-how. Jonathan Cotton is acclaimed for his capabilities in export controls and sanctions, Company Act offences and FSMA matters, among many others, and the team also includes Gayathri Kamalanathan, an up-and-coming partner with over 10 years experience of senior in-house roles at leading banks. Jonathan Clark is also a key name to note. Richard Swallow leads the group.

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

The ‘highly regarded expert team‘ at Slaughter and May plays a leading role in major ongoing SFO cases, including representing the likes of British American Tobacco and John Wood Group in high-profile proceedings. The firm offers strong criminal and regulatory expertise, with a focus on complex investigations, often involving multijurisdictional elements, relating to bribery, corruption, market abuse, and sanctions issues, as well as providing compliance advice on international trade and AML policies. The practice is led by the ‘superbRichard Swallow , Jonathan Cotton , and Ewan Brown , each of whom offer extensive expertise in complex SFO and international regulatory investigations and prosecutions, while Holly Ware is noted for her global investigations work, largely acting against the FCA and SFO. James Stacey  has a strong record in work for listed companies and financial services entities, while Gayathri Kamalanathan has in-house financial services expertise and specialises in regulatory investigations and litigation within the industry. Senior counsel Ella Williams continues to play a key role in complex regulatory prosecutions as well as providing compliance advice.

London > Dispute resolution > Banking litigation: investment and retail

(Next Generation Partners)

Gayathri Kamalanathan  – Slaughter and May

Slaughter and May‘s banking litigation team offers ‘strength in depth at all levels’. The overall disputes and investigations group is led by Richard Swallow, while key figures in litigation include Ewan Brown, who has experience advising in relation to corporate crime, competition claims and tax appeals, and Camilla Sanger, whose practice covers commercial, banking and competition litigation. Both are described by one client as ‘perfect performers as partners’. ‘Hugely experienced‘ Deborah Finkler, and Jonathan Clark, who specialises in defending against allegations of deliberate wrongdoing, are also key part of the banking litigation team, which works across the financial services sector for high profile clients including JPMorgan Chase, Deutsche Bank and Credit Suisse. The practice has been in growth mode,  with Gayathri Kamalanathan joining as a partner in April 2021 from Danske Bank in Copenhagen, where she was head of group litigation and enforcement.   Peter Wickham  was made up to partner the same year.