Top Fintech companies in London
Companies modernising banking, payments, lending, and financial infrastructure. Filtered to companies headquartered in London.
- IndustryFintech
- HQLondon
- Matches5,823
Built from a search like: “Top Fintech companies in London”
Ranked by current headcount across Fintech companies headquartered in London. Refreshed daily.
- 1HSBC· London, England, United Kingdom
- Post-IPO debt
- 195.4k employees
- 2Aon· London, England, United Kingdom
- Post-IPO debt
- 92.6k employees
- Founded 1979
- 3Barclays· London, England, United Kingdom
- 80.9k employees
- 4Standard Chartered· London, England, United Kingdom
- Post-IPO debt
- 78.6k employees
- 5Lloyds Banking Group· London, England, United Kingdom
- 62.9k employees
- Founded 1985
- 6WTW· London, England, United Kingdom
- 57.3k employees
- Founded 1950
- 7Virgin· London, England, United Kingdom
- 36.8k employees
- 8Intertek· London, England, United Kingdom
- Grant
- 30.6k employees
- Founded 1996
- 9Aviva· London, England, United Kingdom
- Post-IPO equity
- 26.3k employees
- 10LSEG· London, England, United Kingdom
- post ipo secondary
- 24.6k employees
- Founded 2007
- 11Revolut· London, England, United Kingdom
- Secondary
- 16.8k employees
- Founded 2015
- 12Howden· London, England, United Kingdom
- Grant
- 13.7k employees
- Founded 1994
- 13Finastra· London, England, United Kingdom
- Debt
- 12.5k employees
- Founded 2017
- 14Wise· London, England, United Kingdom
- Post-IPO debt
- 10.1k employees
- Founded 2011
- 15Santander UK· London, England, United Kingdom
- 9.8k employees
- Founded 1988
- 16Barclays UK· London, England, United Kingdom
- 9.8k employees
- 17Fidelity International· London, England, United Kingdom
- 9.7k employees
- Founded 1969
- 18Investec· London, England, United Kingdom
- Post-IPO debt
- 9.7k employees
- Founded 1974
- 19Legal & General· London, England, United Kingdom
- Post-IPO debt
- 9.3k employees
- 20RSA· London, England, United Kingdom
- 9k employees
- Founded 1956
- 21Apex Group Ltd (UK & Ireland)· London, England, United Kingdom
- 9k employees
- 22Capco· London, England, United Kingdom
- Private equity
- 7.9k employees
- Founded 1998
- 23Lloyds Bank· London, England, United Kingdom
- 7.9k employees
- 24Acuity Analytics· London, England, United Kingdom
- Debt
- 7.5k employees
- Founded 2003
- 25TP ICAP· London, England, United Kingdom
- 7.4k employees
- Founded 1971
Find engineers at Fintech companies in London
London has long been a hub for Fintech, and the list above ranks the largest Fintech companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 5,823 matching companies in our index, this is a good map of where the Fintech talent in Londonlives — useful whether you’re recruiting, partnering, or sizing a market.
The biggest Fintech companies in London tend to be the gravitational centres for specialised talent — senior engineers, ML researchers, applied scientists, designers — while the smaller ones compete on speed, equity, and proximity to founders.
Refolk converts this list into a live search. Ask for “Fintech engineers in Londonhiring senior staff” or “founders of Fintech companies in Londonwho left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.
How this list is built
Last refreshed: Thu, 07 May 2026 03:08:34 GMT
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