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Series A Fintech companies in London

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

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Built from a search like: Top Series A Fintech companies in London

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

  1. 1
    Fitch Group, Inc.· London, England, United Kingdom
    • Series A
    • 4.2k employees
    • Founded 2016
  2. 2
    PIB Insurance Brokers· London, England, United Kingdom
    • Series A
    • 544 employees
    • Founded 2014
  3. 3
    R3· London, England, United Kingdom
    • Series A
    • 344 employees
    • Founded 2015
  4. 4
    XTX Markets· London, England, United Kingdom
    • Series A
    • 301 employees
    • Founded 2015
  5. 5
    BCB Group· London, England, United Kingdom
    • Series A
    • 219 employees
    • Founded 2017

Find engineers at Series A Fintech companies in London

Searching for “engineers at top Series A Fintech companies in London” surfaces this slice of the market. The list above ranks Fintech companies headquartered in London whose latest disclosed round is Series A, by current headcount, drawn from public LinkedIn and Crunchbase records. With 123 matching companies in our index, this is a tight read on where the Fintech talent in London is heating up.

Three filters at once narrows the field hard. The companies that survive all three - Series A, Fintech, in London - are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become Fintech’s next operators and angel investors.

Refolk converts this list into a live search. Ask for “senior engineers at Series A Fintech companies in London hiring” or “founders of Series A Fintech companies in London who left in the last year” and Refolk returns a ranked shortlist with the evidence behind each match.

How this list is built

Refolk pulled Fintech companies headquartered in London whose latest disclosed funding round is Series A from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes once a day.

Last refreshed: Sun, 21 Jun 2026 09:37:33 GMT

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