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Series A Blockchain companies in San Francisco

Companies building L1s, L2s, wallets, infra, and apps on public blockchains. Filtered to Series A-stage companies headquartered in San Francisco.

Built from a search like: “Top Series A Blockchain companies in San Francisco”

Ranked by current headcount across Series A Blockchain companies in San Francisco. Refreshed daily.

  1. 1
    Every· San Francisco, California, United States
    • Series A
    • 413 employees
    • Founded 2021
  2. 2
    Cable· San Francisco, California, United States
    • Series A
    • 399 employees
    • Founded 2020
  3. 3
    Glow· San Francisco, California, United States
    • Series A
    • 280 employees
    • Founded 2018
  4. 4
    NALA· San Francisco, California, United States
    • Series A
    • 248 employees
    • Founded 2022
  5. 5
    Arc· San Francisco, California, United States
    • Series A
    • 247 employees
    • Founded 2021
  6. 6
    Astia· San Francisco, California, United States
    • Series A
    • 189 employees
    • Founded 1999
  7. 7
    The Council· San Francisco, California, United States
    • Series A
    • 182 employees
    • Founded 2019
  8. 8
    Liquido· San Francisco Bay Area
    • Series A
    • 161 employees
    • Founded 2021
  9. 9
    FOG Ventures· San Francisco, California, United States
    • Series A
    • 160 employees
    • Founded 2020
  10. 10
    RAINBOW· San Francisco, California, United States
    • Series A
    • 158 employees
    • Founded 2021
  11. 11
    Pibit.AI· South San Francisco, California, United States
    • Series A
    • 135 employees
    • Founded 2020
  12. 12
    Corgi· San Francisco, California, United States
    • Series A
    • 131 employees
    • Founded 2024
  13. 13
    Juno· San Francisco, California, United States
    • Series A
    • 120 employees
    • Founded 2019
  14. 14
    Robertson Stephens· San Francisco, California, United States
    • Series A
    • 116 employees
    • Founded 1978
  15. 15
    Synctera· San Francisco, California, United States
    • Series A
    • 102 employees
    • Founded 2020
  16. 16
    Sydecar· San Francisco, California, United States
    • Series A
    • 82 employees
    • Founded 2021
  17. 17
    Tint· San Francisco, California, United States
    • Series A
    • 56 employees
    • Founded 2018
  18. 18
    Harper (YC W25)· San Francisco Bay Area
    • Series A
    • 54 employees
    • Founded 2024
  19. 19
    Delos Insurance Solutions· San Francisco, California, United States
    • Series A
    • 52 employees
    • Founded 2016
  20. 20
    Grid· San Francisco, California, United States
    • Series A
    • 51 employees
    • Founded 2019
  21. 21
    TrustLayer· San Francisco, California, United States
    • Series A
    • 48 employees
    • Founded 2018
  22. 22
    SimplyInsured· San Francisco, California, United States
    • Series A
    • 48 employees
    • Founded 2012
  23. 23
    InterPayments· San Francisco, California, United States
    • Series A
    • 44 employees
    • Founded 2020
  24. 24
    Brico· San Francisco, California, United States
    • Series A
    • 40 employees
    • Founded 2023
  25. 25
    Flex· San Francisco, California, United States
    • Series A
    • 39 employees
    • Founded 2023

Find engineers at Series A Blockchain companies in San Francisco

Searching for “engineers at top Series A Blockchain companies in San Francisco” surfaces this slice of the market. The list above ranks Blockchain companies headquartered in San Francisco whose latest disclosed round is Series A, by current headcount, drawn from public LinkedIn and Crunchbase records. With 85 matching companies in our index, this is a tight read on where the Blockchain talent in San Francisco is heating up.

Three filters at once narrows the field hard. The companies that survive all three — Series A, Blockchain, in San Francisco — 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 Blockchain’s next operators and angel investors.

Refolk converts this list into a live search. Ask for “senior engineers at Series A Blockchain companies in San Francisco hiring” or “founders of Series A Blockchain companies in San Francisco 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 Blockchain companies headquartered in San Francisco 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 09:03:39 GMT

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