The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon

Slaughter and May

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

Ben Kingsley

Work 020 7090 3169
Slaughter and May

Work Department

Financial regulation.


Partner in the financial regulation group, advising a broad range of regulated and non-regulated clients on financial regulatory matters. A special interest in the UK and international anti-money laundering and sanctions and AML regimes. Ben co-heads the firm's fintech practice, and in that role advises a broad range of established financial institution, technology, media and telco groups, challenger organisations, and fintech start-ups.  
As a member of the firm’s Global Investigations group, Ben has also advised a range of financial sector firms on the conduct of internal regulatory investigations and in relation to the management of regulator-led enquiries and investigations.


Trained Slaughter and May; qualified 2001; associate 2001; partner Slaughter and May 2008.

Editor of ‘Practitioners Guide to The UK Financial Services Rulebooks’ City and Financial 2013. Contributing editor of The International Comparative Legal Guide to Fintech 2017.
Co-authors the UK chapter of Getting the Deal Through’s 'Banking Regulation' publication.
Writes a regular banking and investment services column for PLC Financial Services.


London School of Economics (1998 Law and Anthropology First Class); College of Law, London (1999 LPC with Distinction).

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.

[back to top]

London: Risk advisory


Within: Brexit

Slaughter and May has a dedicated partner-led Brexit working group, which is chaired by Jeff Twentyman, and operates as a fully-coordinated, multidisciplinary service for clients and industry bodies. As part of its offering, the firm has significant involvement in client events and industry initiatives across numerous sectors (including financial services) in order to provide thought-leadership on the multitude of issues that are likely to arise from Brexit. Richard de Carle and Stephen Powell assisted with preparing a major publication by the firm on the WTO rules, which is now in its second edition. Powell is also the co-chair of a working group set up in 2017 by the Financial Markets Law Committee to consider the WTO regime. Competition partner Anna Lyle-Smythe is on the steering committee of the UK Legal Forum, and is also a key contributor to a number of competition law working groups examining the implications of Brexit on competition law and state aid. Ian Johnson, who heads up the restructuring and insolvency practice, is a member of the City of London Law Society and Law Society working groups, which are considering the insolvency aspects of Brexit. In terms of core legal advice to clients, in the financial services sector, a cross-practice team including Oliver Wareham, Craig Cleaver, Rob Sumroy and Nick Bonsall provides ongoing assistance to EU-headquartered general insurer Zurich Insurance Plc with its Brexit planning and associated regulatory issues; a major element of the work has centred around the client's application to the UK regulators, the PRA and FCA, for full third country authorisation of its UK branch post-Brexit. Elsewhere, other areas of sector expertise include aviation, energy, retail and telecoms. Sara Luder, Ben Kingsley, Jan Putnis, Jonathan Marks and William Turtle are other contacts. 

[back to top]

London: TMT (technology, media and telecoms)


Within: Leading individuals

Ben Kingsley - Slaughter and May

Within: Fintech

The 'practical advice' given by Slaughter and May 's 'very commercial, incredibly knowledgeable' team is 'most helpful' and 'always prompt'. Financial services regulatory expert Ben Kingsley and technology and data specialist Rob Sumroy head the group, which counts blockchain, insurtech, regtech and market-scale payments infrastructure as core strengths. Kingsley advised Euroclear on various fintech investments and joint ventures, as well as assisting it with two blockchain projects, including a report into the use of blockchain in the settlement and clearing industry. Another payments mandate saw Thomas Cook Money instruct Kingsley on strategic issues relating to its digitisation. In the start-up space, Robert Innes has helped companies deal with documentation to help engage their customers, Kingsley advised TrueLayer on various commercial and data protection matters, and Innes and Kingsley acted for insurtech company By Miles on all aspects of its growth. Also in this space, Kingsley and Sumroy advised Bupa Customer Labs, acting as an incubator for insurtech start-ups, on various regulatory matters. Other major fintech clients include payments companies and AI providers. IP and technology expert Duncan Blaikie made partner in 2017.

[back to top]

Back to index

Legal Developments in London

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to