# S&P Global acquisition of OpenZeppelin

> Live situation record from CLSTR: https://clstr.news/situations/sp-global-acquisition-of-openzeppelin
> Updated: 2026-09-21T01:15:00.000Z. Sources: 11. Developments: 2.

S&P Global has entered into a definitive agreement to acquire OpenZeppelin, a blockchain security firm specializing in smart contract development and audits. The acquisition is intended to strengthen S&P Global’s digital asset capabilities, specifically in areas such as on-chain technology risk assessment, benchmarks, and intelligence as capital markets move toward blockchain-based infrastructure.

OpenZeppelin is a prominent firm within the Ethereum and decentralized finance (DeFi) ecosystems, known for its open-source smart contract libraries and security services. The company has completed over 900 security engagements and identified more than 10,000 vulnerabilities. 

Under the terms of the deal, OpenZeppelin will operate as a separate business unit within S&P Global. CEO Demian Brener will remain in his role, reporting to Yann Le Pallec, President of S&P Global Ratings. The firm has stated that its open-source libraries will continue to be free and publicly maintained on GitHub. Financial terms of the acquisition were not disclosed.

## Timeline

### 2026-09-21: S&P Global to acquire smart contract security firm OpenZeppelin

S&P Global has agreed to acquire OpenZeppelin, a leading smart contract security and auditing firm, to integrate blockchain code risk assessment into its financial data and analytics services.

2 sources. https://clstr.news/cluster/sp-global-to-acquire-smart-contract-security-firm-openzeppelin

### 2026-09-17: S&P Global to acquire blockchain security firm OpenZeppelin

S&P Global is acquiring blockchain security firm OpenZeppelin to expand its risk assessment and intelligence capabilities for on-chain financial products and digital assets.

10 sources. https://clstr.news/cluster/sp-global-to-acquire-blockchain-security-firm-openzeppelin

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Cite as: S&P Global acquisition of OpenZeppelin. CLSTR, https://clstr.news/situations/sp-global-acquisition-of-openzeppelin
