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Top Fintech companies in London

Companies modernising banking, payments, lending, and financial infrastructure. Filtered to companies headquartered in London.

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Built from a search like: “Top Fintech companies in London”

Ranked by current headcount across Fintech companies headquartered in London. Refreshed daily.

  1. 1
    HSBC· London, England, United Kingdom
    • Post-IPO debt
    • 197.3k employees
  2. 2
    Aon· London, England, United Kingdom
    • Post-IPO debt
    • 92.8k employees
    • Founded 1979
  3. 3
    Barclays· London, England, United Kingdom
    • 82k employees
  4. 4
    Standard Chartered· London, England, United Kingdom
    • Post-IPO debt
    • 79.5k employees
  5. 5
    Lloyds Banking Group· London, England, United Kingdom
    • 57.5k employees
    • Founded 1985
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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 5,840 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

Refolk pulled Fintech companies headquartered in London from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes once a day.

Last refreshed: Sun, 21 Jun 2026 07:17:34 GMT

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