
Fieldfisher‘s fintech practice is a cross-disciplinary team advising on regulatory, transactional, technology, and privacy matters. The group supports clients across the fintech lifecycle, from early-stage funding to complex M&A. The team works with start-ups, growth companies, established fintechs, and financial institutions across Europe. Thomas Colmer focuses on fintech M&A, growth equity, and institutional funding rounds. He regularly advises on capital markets, open banking, and payments-related deals, including mandates involving Tier 1 banks. Simon Briskman has over 30 years of experience advising on technology transactions. Tom Ward co-heads the emerging companies and venture capital team. John Brunning advises on complex technology transactions, with a focus on regulatory frameworks including DORA, the EU Data Act, and AI governance.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Billing & efficiency
Testimonials
Collated independently by Legal 500 research team.
- ‘Great connectivity and familiarity with the market.’
- ‘Thomas is a great VC-style M&A lawyer, having done a lot of work for the major players in the space.’
Key clients
- Tembo Money Limited
- Fuel Ventures
Work highlights
Advised digital savings and mortgage platform Tembo Money on their successful £14 million Series B funding round.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Simon Briskman, Thomas Colmer
Other key lawyers
Tom Ward, John Brunning
