Refolk

Series A Fintech companies in London

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

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
    PIB Insurance Brokers· London, England, United Kingdom
    • Series A
    • 543 employees
    • Founded 2014
  2. 2
    R3· London, England, United Kingdom
    • Series A
    • 379 employees
    • Founded 2015
  3. 3
    Mercuryo· London, England, United Kingdom
    • Series A
    • 310 employees
    • Founded 2018
  4. 4
    BCB Group· London, England, United Kingdom
    • Series A
    • 210 employees
    • Founded 2017
  5. 5
    Mojo Mortgages· London, England, United Kingdom
    • Series A
    • 208 employees
    • Founded 2016
  6. 6
    ZILOTM· London, England, United Kingdom
    • Series A
    • 178 employees
    • Founded 2020
  7. 7
    Blink Payment· London, England, United Kingdom
    • Series A
    • 135 employees
    • Founded 2011
  8. 8
    Deblock· London, England, United Kingdom
    • Series A
    • 127 employees
    • Founded 2022
  9. 9
    wamo· London, England, United Kingdom
    • Series A
    • 123 employees
    • Founded 2021
  10. 10
    Elwood· London, England, United Kingdom
    • Series A
    • 112 employees
    • Founded 2018
  11. 11
    Titanbay· London, England, United Kingdom
    • Series A
    • 110 employees
    • Founded 2019
  12. 12
    S64· Greater London, England, United Kingdom
    • Series A
    • 107 employees
    • Founded 2021
  13. 13
    Novatus Global· London, England, United Kingdom
    • Series A
    • 105 employees
    • Founded 2019
  14. 14
    Paydock· Greater London, England, United Kingdom
    • Series A
    • 96 employees
    • Founded 2015
  15. 15
    Neudata· London, England, United Kingdom
    • Series A
    • 94 employees
    • Founded 2016
  16. 16
    Parfin· London, England, United Kingdom
    • Series A
    • 81 employees
    • Founded 2019
  17. 17
    Yaspa· London, England, United Kingdom
    • Series A
    • 77 employees
    • Founded 2017
  18. 18
    Arabesque· London, England, United Kingdom
    • Series A
    • 73 employees
    • Founded 2013
  19. 19
    Future Planet Capital· London, England, United Kingdom
    • Series A
    • 71 employees
    • Founded 2015
  20. 20
    ONERWAY· London, England, United Kingdom
    • Series A
    • 71 employees
    • Founded 2017
  21. 21
    Weavr.io· London, England, United Kingdom
    • Series A
    • 68 employees
    • Founded 2018
  22. 22
    Kody· London, England, United Kingdom
    • Series A
    • 68 employees
    • Founded 2018
  23. 23
    Saturn· London, England, United Kingdom
    • Series A
    • 68 employees
    • Founded 2023
  24. 24
    Goji, Euroclear group· Whitechapel, England, United Kingdom
    • Series A
    • 65 employees
    • Founded 2015
  25. 25
    Shieldpay· London, England, United Kingdom
    • Series A
    • 62 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 122 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: Thu, 07 May 2026 07:25:08 GMT

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