Y Combinator portfolio Fintech companies
The most prolific seed accelerator in the world, batch class twice a year. Filtered to companies in Fintech.
- InvestorY Combinator
- IndustryFintech
- Matches407
Built from a search like: “Y Combinator-backed Fintech companies”
Ranked by current headcount across Y Combinator-backed Fintech companies. Refreshed daily.
- 1Y Combinator· United States
- 7.5k employees
- Founded 2005
- 2Coinbase· First, West Virginia, United States
- Post-IPO debt
- 7.5k employees
- Founded 2012
- 3Wave Mobile Money· Arrondissement de Mbadakhoune, Kaolack Region, Senegal
- Debt
- 5k employees
- Founded 2017
- 4Monzo Bank· London, England, United Kingdom
- Secondary
- 4.8k employees
- Founded 2015
- 5Cowrywise· Ikeja, Lagos State, Nigeria
- Seed
- 4.3k employees
- Founded 2017
- 6Kapital Grupo Financiero· Tlalpan, Mexico City, Mexico
- Series C
- 3.5k employees
- Founded 2018
- 7Groww· Bengaluru, Karnataka, India
- Series F
- 2.9k employees
- Founded 2016
- 8CryptoCurrency· British Virgin Islands
- Pre-seed
- 2.4k employees
- Founded 2021
- 9Brex· San Francisco, California, United States
- Debt
- 1.8k employees
- Founded 2017
- 10Fam· Bengaluru, Karnataka, India
- Series A
- 1.4k employees
- Founded 2019
- 11Aspire· Singapore, Singapore
- Series C
- 1.1k employees
- Founded 2018
- 12Evidence Action· Washington, District of Columbia, United States
- Seed
- 977 employees
- Founded 2012
- 13Cashfree Payments· Bengaluru, Karnataka, India
- Series C
- 891 employees
- Founded 2015
- 14Flutterwave· San Francisco, California, United States
- Secondary
- 880 employees
- Founded 2016
- 15Khatabook· Bengaluru, Karnataka, India
- Series C
- 788 employees
- Founded 2018
- 16GroMo· Gurugram, Haryana, India
- Series A
- 748 employees
- Founded 2019
- 17Stage 2 Capital· United States
- Series A
- 723 employees
- Founded 2018
- 18Newfront· San Francisco, California, United States
- Series D
- 649 employees
- Founded 2017
- 19Fazz· Singapore, Singapore
- Series unknown
- 639 employees
- Founded 2016
- 20Altro· Los Angeles, California, United States
- undisclosed
- 527 employees
- Founded 2019
- 21Kalshi· New York, New York, United States
- Corporate
- 455 employees
- Founded 2019
- 22Conta Simples· São Paulo, São Paulo, Brazil
- Series B
- 441 employees
- Founded 2018
- 23Every· San Francisco, California, United States
- Series A
- 413 employees
- Founded 2021
- 24Drip Capital· Palo Alto, California, United States
- Debt
- 406 employees
- Founded 2016
- 25LemFi· London, England, United Kingdom
- Series B
- 406 employees
- Founded 2020
Y Combinator’s Fintech portfolio
The list above ranks Y Combinator-backed Fintech companies by current headcount, drawn from public LinkedIn and Crunchbase records. 407 matching companies in our index give you a quick read on where Y Combinator has gone deepest in the Fintech space.
Y Combinator’s Fintech bets tend to share a thesis. The engineers, ML researchers, and founders inside these companies are often building the same primitives — and they show up in Fintech talent pools across the next decade.
Refolk converts this list into a live search. Ask for “Y Combinator Fintechcompanies hiring senior engineers” or “founders of Y Combinator-backed Fintechcompanies” and Refolk returns a fresh ranked shortlist.
How this list is built
Last refreshed: Thu, 07 May 2026 06:00:39 GMT
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