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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.

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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 monthly.

  1. 1
    Every· San Francisco, California, United States

    Every is the operating system for your back office, combining incorporation, banking, payroll, accounting, HR, taxes, and compliance—all in one place.Whether you're launching your first company or scaling after raising funds, Every provides you with the tools and expert support to manage financial operations, remain compliant, and run your business with ease.No more juggling multiple vendors—Every streamlines everything, allowing you to focus on building and growing.Would you like to see how it works for your business? Request a personalized tour and discover how Every can support you at every stage. https://www.every.io/why-every

    • Series A
    • 454 employees
    • Founded 2021
  2. 2
    Cable· San Francisco, California, United States

    The first Automated Compliance Testing platform that allows you to continuously test your BSA/AML controls across 100% of your bank's account and transaction data.Follow for the latest BSA/AML compliance news and updates.

    • Series A
    • 398 employees
    • Founded 2020
  3. 3
    Glow· San Francisco, California, United States

    With a mission to protect people, we’re devoted to ours. We’re looking for people-first innovators to help us build the world’s most intelligent insurance platform.

    • Series A
    • 279 employees
    • Founded 2018
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  5. 4
    Arc· San Francisco, California, United States

    Arc is the cash management and capital markets platform for technology companies. Arc helps businesses manage cash, unlock competitive yield, raise debt capital, and access AI-powered financial services – all in one unified platform.Founded in 2021, Arc has headquarters in San Francisco and New York City and is backed by investors including Left Lane Capital, NFX, Bain Capital Ventures, Atalaya, Clocktower Technology Ventures, Torch Capital, and Y Combinator. To learn more, visit www.joinarc.com.Arc is a financial technology company, not a bank. For important information about Arc, see our general disclosures: https://www.joinarc.com/general-disclosures

    • Series A
    • 238 employees
    • Founded 2021
  6. 5
    RAINBOW· San Francisco, California, United States

    Rainbow helps agents both win accounts faster with our custom-built technology, and also handle more complex risks through our dedicated underwriting and service teams.Get appointed and go from quote to bind in minutes - all in one place.

    • Series A
    • 186 employees
    • Founded 2021

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 60 matching companies in Refolk’s 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 monthly.

Last refreshed: Tue, 01 Sep 2026 16:30:06 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

How fresh is the data?

The underlying index updates continuously and this ranking is rebuilt monthly. Last refreshed: Tue, 01 Sep 2026 16:30:06 GMT. For a list built against the index as it stands today, sign up and run the search live.

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