Y Combinator Fintech portfolio in London
The most prolific seed accelerator in the world, batch class twice a year. Filtered to Fintech companies headquartered in London.
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Built from a search like: “Y Combinator-backed Fintech companies in London”
Ranked by current headcount across Y Combinator-backed Fintech companies in London. Refreshed daily.
- 1Monzo· London, England, United Kingdom
- Secondary
- 5.3k employees
- Founded 2015
- 2LemFi· London, England, United Kingdom
- Corporate
- 445 employees
- Founded 2020
- 3Verto· London, England, United Kingdom
- Grant
- 260 employees
- Founded 2017
- 4Aspora· London, England, United Kingdom
- Series B
- 212 employees
- Founded 2022
- 5Runa· London, England, United Kingdom
- Series B
- 138 employees
- Founded 2016
Y Combinator-backed Fintech companies in London
The list above ranks Y Combinator-backed Fintech companies headquartered in London by current headcount, drawn from public LinkedIn and Crunchbase records. With 18 matching companies in our index, you can see exactly where Y Combinator’s Fintech thesis has landed in London.
Three filters - investor, industry, city - narrow the field to a tight cluster of operators with overlapping incentives. They share a thesis, a network, and a market. Hiring from this list usually means hiring someone already inside the Y Combinator Fintech world in London.
Refolk converts this list into a live search. Ask for “Y Combinator Fintech companies in Londonhiring senior engineers” or “founders of Y Combinator-backed Fintech companies in London who left in the last year” and Refolk returns a ranked shortlist.
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Last refreshed: Sun, 21 Jun 2026 08:22:41 GMT
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