Jan Putnis > Slaughter and May > London, England > Lawyer Profile

Slaughter and May

Living Wage

Work Department

Financial Regulation
Financial Institutions Group
Asset Management
Banking and Finance
Corporate and M&A
Global Investigations


an is Head of our Financial Regulation Group and a member of our Financial Institutions Group.

Jan’s practice focuses on matters of strategic importance to financial institutions, with particular emphasis on regulatory advice (both contentious and non-contentious) and multi-jurisdictional corporate and commercial transactions. He acts for a broad range of financial institutions, including banks, investment banks, brokers, insurance and reinsurance groups, market infrastructure operators and asset managers.

Jan is on the firm’s Brexit Committee with responsibility for financial services. He is at the forefront of the industry’s thought leadership on the impact of Brexit. This includes working with several industry bodies, such as TheCityUK and UK Finance.

Jan has been recognised as a leading individual in the ‘Financial Services: Non-contentious Regulatory’ section of Chambers UK, and is the contributing editor of The Banking Regulation Review (Law Business Research, since 2010). He is a regular contributor to PLC Magazine and is a member of the Financial Markets Law Committee.


Trained at Slaughter and May; qualified in 1996; associate from 1996-2003; partner  since 2003.


Law Society, Financial Markets Law Committee


Netherhall School, Cambridge; University College, Oxford (1992 MA Physics); College of Law, London (1993 CPE).


Scuba diving, Italian culture.

Lawyer Rankings

London > TMT (technology, media and telecoms) > Fintech

Slaughter and May represents a wide-range of clients across the fintech space, including challenger neobanks as well as insurtech, payment, financial regulation and financial data companies. The team also advises financial services and technology clients on their strategic projects within the fintech market. The firm continues to run the ‘Fast Forward’ incubator programme, which supports the work of technology entrepreneurs and innovators. After the departure of Ben Kingsley in April 2022, Rob Sumroy now co-heads the practice alongside newly promoted partner James Cook, who advises fintech companies on corporate transactions. Jan Putnis handles financial regulatory issues, while associate David Shone acts for fintech start-ups and challengers on a variety of matters.

London > Corporate and commercial > Financial services: non-contentious/regulatory

(Hall of Fame)

Jan PutnisSlaughter and May

The team at Slaughter and May is highly regarded for its ‘rare combination of technical excellence, market knowledge, strong negotiating capabilities and great people skills’. The practice is especially accomplished in the UK banking and payment services sectors, acting across a sizeable breadth of matters such as regulatory capital, prudential governance and policy developments. Jan Putnis serves as practice head, leveraging a far-reaching roster of expertise in matters such as structural reform work, corporate and commercial transactions, resolution planning and regulatory reform; he is supported at partner-level by Nick Bonsall, an optimal capital structure, risk transfer arrangement and governance arrangement expert. Kristina Locmele disperses considerable knowledge of e-money, consumer credit and payment services affairs, while fellow senior counsel Tim Fosh has expertise in bank capital structuring issues, cryptoassets, AI and derivatives regulation.

London > Investment fund formation and management > Listed funds

At Slaughter and May, listed funds are handled from the investment funds and asset management department. In relation to listed funds work, the team is often instructed to advise on bespoke transactions, particularly focusing on closed-end funds and their managers. Clients benefit from the firm’s strong corporate and M&A offering, and the group regularly assists with strategic acquisitions and deposals, as well as the establishment of asset management businesses. The key contacts are Paul Dickson , an expert in asset-backed partnerships, and Jan Putnis , who heads the financial regulation group and has substantial experience in multi-jurisdictional work for asset managers. Nick Pacheco is also recommended.