OpenZeppelin
OpenZeppelin is a cybersecurity company specializing in Web3 & Blockchain Security, founded in 2015 and headquartered in San Francisco, Spain. It has 1 priced equity round on record with undisclosed amounts, employs about 122 people, and was acquired by S&P Global in 2026.
updated Oct 11, 2026
OpenZeppelin products
OpenZeppelin ZKP Security Services
OpenZeppelin funding
OpenZeppelin has 1 priced equity round on record with undisclosed amounts. Its most recent round was a Venture Round in December 2017. 9 investors are on record, including BlueYard Capital and Continue Capital.
- Equity raised
- Undisclosed1 priced round
- Last round
- Venture RoundDec 2017
OpenZeppelin employees and hiring
As of September 2026, OpenZeppelin has about 122 employees, up 6% over the last 30 days, with 4 open roles.
- Employees
- 122
- 30-day change
- +6%
- Open roles
- 4
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs4 live postings, role mix
- Tech stackframeworks, clouds, security
