Top Blockchain companies in San Francisco
Companies building L1s, L2s, wallets, infra, and apps on public blockchains. Filtered to companies headquartered in San Francisco.
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- IndustryBlockchain
- HQSan Francisco
- Matches532
Built from a search like: “Top Blockchain companies in San Francisco”
Ranked by current headcount across Blockchain companies headquartered in San Francisco. Refreshed monthly.
- 1Wells Fargo· San Francisco, California, United States
Wells Fargo & Company (NYSE: WFC) is a diversified, community-based financial services company with approximately $1.9 trillion in assets. Wells Fargo’s vision is to satisfy our customers’ financial needs and help them succeed financially. Founded in 1852 and headquartered in San Francisco, Wells Fargo provides banking, investment and mortgage products and services, as well as consumer and commercial finance, through more than 7,300 locations, 12,000 ATMs, the internet (wellsfargo.com) and mobile banking, and has offices in over 40 countries and territories to support customers who conduct business in the global economy. With approximately 250,000 team members, Wells Fargo serves one in three households in the United States. Wells Fargo & Company was ranked No. 41 on Fortune’s 2022 rankings of America’s largest corporations. News, insights and perspectives from Wells Fargo are also available at Wells Fargo Stories. Relevant military experience is considered for veterans and transitioning service men and women. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other legally protected characteristic.© 2016 Wells Fargo Bank, N.A. All rights reserved. Member FDIC.
- 248.5k employees
- 2Brex· San Francisco, California, United States
Brex is the intelligent finance platform built for speed and control, empowering founders and finance teams to spend smarter and move faster globally with intuitive corporate cards, banking, expenses, and travel. Over 35,000 companies run on Brex, including DoorDash, ServiceTitan, Wiz, and Five Guys. Brex LLC is a wholly owned subsidiary of Capital One, N.A.
- Debt
- 7.8k employees
- Founded 2017
- 3SoFi· San Francisco, California, United States
SoFi is a values-driven company on a mission to help our members get their money right. We create modern financial products and services that help people borrow, save, spend, invest, and protect their money better, so that they can achieve financial independence and realize their ambitions—from owning a home to saving for retirement, paying off their student loans, and more. CFL #6054612; NMLS #1121636 (www.nmlsconsumeraccess.org) Advisory services through SoFi LLC, a registered investment advisor. SoFi Checking and Savings is offered through SoFi Bank, N.A. Member FDIC. SoFi MoneyTM is offered through SoFi Securities LLC, member FINRA/SIPC.
- Post-IPO equity
- 6.8k employees
- Founded 2011
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- 4Andersen· San Francisco, California, United States
Andersen is the founding member of Andersen Global, an international association of legally separate, independent member firms with more than 50,000 professionals worldwide, over 3,000 global partners, and a presence in over 1,000 locations in more than 180 countries worldwide. In the U.S., Andersen has more than 2,200 personnel located in 26 cities across the country.
- 3.5k employees
- Founded 2002
- 5Affirm· San Francisco, California, United States
At Affirm, we’re using today’s technology to bring significant disruptive innovation to the financial industry. We focus on improving the lives of consumers by delivering simple, honest and transparent financial products. We have roles across a variety of teams, including engineering, product, finance, operations, revenue, marketing, people and more.A note to applicants: Fake job and recruiting scams are on the rise. Affirm will never ask you to pay any upfront fees or send you any checks to purchase equipment during any part of the recruiting process. Affirm only uses legitimate company email address domains (either “@affirm.com” or "@us.greenhouse-mail.io”) to communicate with candidates via email. Affirm is also proud to be a remote-first company! Attracting great people starts by finding talent in different places. That's why we built remote work into the DNA of how we do business—but if an office space is more your style, we have offices in Chicago, New York City, Pittsburgh, San Francisco, Seattle, Toronto, Warsaw, Madrid and London.Not to mention we have comprehensive and award-winning benefits that were made for you.Interested in learning more? Check out our careers page and apply today!Visit affirm.com/careers for more information.
- Post-IPO debt
- 3.2k employees
- Founded 2012
Find engineers at Blockchain companies in San Francisco
San Francisco has long been a hub for Blockchain, and the list above ranks the largest Blockchain companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 532 matching companies in Refolk’s index, this is a good map of where the Blockchain talent in San Francisco lives - useful whether you’re recruiting, partnering, or sizing a market.
The biggest Blockchain companies in San Francisco tend to be the gravitational centres for specialised talent - senior engineers, ML researchers, applied scientists, designers - while the smaller ones compete on speed, equity, and proximity to founders.
Refolk converts this list into a live search. Ask for “Blockchain engineers in San Francisco hiring senior staff” or “founders of Blockchain companies in San Francisco who left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.
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Last refreshed: Tue, 15 Sep 2026 05:57:21 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.
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