When was OpenZeppelin founded?

OpenZeppelin was founded in 2015.

Where is OpenZeppelin located?

OpenZeppelin is headquartered in San Francisco, United States.

How many employees does OpenZeppelin have?

As of Aug 31, 2026, the latest employee count at OpenZeppelin is 121.

Where does OpenZeppelin rank among its competitors?

OpenZeppelin ranks 27th amongst 652 active competitors, of which 71 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was Expo, which secured $45M in Apr, 2026.

Who are the top competitors of OpenZeppelin?

OpenZeppelin's top competitors include CertiK, Expo and Certora. Among them, Expo secured the most recent funding round in April, 2026.

OpenZeppelin - 2026 Company Profile, Team, Funding & Competitors

OpenZeppelin is an acquired company based in San Francisco (United States), founded in 2015 by Manuel Araoz. It operates as a Developer of open-source tools and security audits for blockchain applications. The company has 652 active competitors, including 71 funded and 11 that have exited. Its top competitors include companies like CertiK, Expo and Certora.

Company Details

Developer of open-source tools and security audits for blockchain applications. It offers smart contract libraries, upgrade plugins, and open-source tools. The company provides security audits for smart contracts, blockchain infrastructure, and zero-knowledge systems. It contributes to vulnerability detection and threat response best practices.

Website: www.openzeppelin.com/
Social
Email ID: *****@openzeppelin.com

Key Metrics

Founded Year

2015

Location

San Francisco, United States

Stage

Acquired

Investors

Northzone & 15 more

Ranked

27^th among 652 active competitors

Employee Count

121 as on Aug 31, 2026

Investment & Acquisitions

Forta

Similar Companies

CertiK & 759 more

Exit Details

Acquired by S&P Global (Sep 17, 2026)

View OpenZeppelin's full profile

OpenZeppelin got acquired by S&P Global on Sep 17, 2026.

Click here to take a look at OpenZeppelin's acquisition in detail

OpenZeppelin is a funded company. OpenZeppelin has 16 institutional investors.

View details of OpenZeppelin's funding rounds and investors

The founders of OpenZeppelin is Manuel Araoz.

Here are the details of OpenZeppelin's key team members:

Manuel Araoz: Former Co-Founder of OpenZeppelin and founder of 1 other company.
Contact Info: 1 email address

View details of OpenZeppelin's Founder profiles and Board Members

OpenZeppelin's employee count trend

OpenZeppelin has 121 employees as of Aug 26. Here is OpenZeppelin's employee count trend over the years:

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Top competitors of OpenZeppelin include CertiK, Expo and Certora. Here is the list of Top 10 competitors of OpenZeppelin, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	CertiK 2017, New York City (United States), Series B	Provider of blockchain security auditing and formal verification software solutions	$296M	Tiger Global Management, SoftBank Vision Fund ... & 41 others	75/100
2nd	Expo 2013, Palo Alto (United States), Series B	Provider of developer productivity CLI tools	$45M	Georgian, Summit Partners & 5 others	71/100
3rd	Certora 2012, Tel Aviv (Israel), Series B	Developer of formal verification tools for smart contract security audits	$43.2M	Electric Capital, Jump Crypto & 10 others	60/100
4th	Mezo 2022, Menlo Park (United States), Series A	Developer of stablecoins fully backed by reserves of digital currency	$30M	Pantera Capital, Ledger & 16 others	59/100
5th	Moonbeam 2019, Singapore (Singapore), Seed	Smart contract platform for the development of interoperable applications	-	CoinFund, SkyChain Capital & 10 others	59/100
6th	Zama 2019, Paris (France), Series B	Developer of fully homomorphic encryption solutions for blockchain privacy applications	$150M	Pantera Capital, Blockchange & 15 others	59/100
7th	Fantom 2018, Seoul (South Korea), Series B	Smart contract platform for digital assets and dApps	$50M	8 Decimal Capital, Signum Capital & 47 others	55/100
8th	SOOHO 2018, Seoul (South Korea), Series A	Blockchain-based enterprise financial infrastructure solutions and related services	$9M	WeMade Entertainment, Woori Technology Investment ... & 2 others	53/100
9th	Symbiont 2013, New York City (United States), Series B	Provider of virtual slot machine games and online casino services	$31M	Nasdaq, Atlantic Merchant Capital Investors ... & 22 others	53/100
10th	Aurora Labs 2021, Gibraltar (Gibraltar), Seed	Decentralized network for creating blockchain-enabled products	$12M	Electric Capital, Pantera Capital & 14 others	53/100
27th	OpenZeppelin 2015, San Francisco (United States), Acquired	Developer of open-source tools and security audits for blockchain applications	-	Northzone, Collab Fund & 14 others	60/100