Chainguard is a cybersecurity company founded in 2021 by a team of world-class engineers with deep experience in foundational open source projects like Kubernetes and Sigstore. The company’s mission is to be the safe source for open source software by securing software supply chains, eliminating vulnerabilities, and combating malware. Chainguard offers hardened, minimal, and continuously rebuilt container images, virtual machines, and language-specific package libraries designed to eliminate vulnerabilities and reduce attack surfaces for cloud-native applications.

Chainguard serves more than 150 customers, including major companies like ANZ Bank, Canva, GitLab, and Hewlett Packard Enterprise. It operates mostly remotely with no physical offices and has grown rapidly; with a $3.5 billion valuation as of 2025 and $40 million in annual recurring revenue in fiscal year 2025.

Their products simplify compliance, reduce developer toil around vulnerability fixes, and accelerate secure software delivery, enabling customers to focus on innovation rather than patching open source vulnerabilities. Chainguard is positioned as a leader in software supply chain security with a strong emphasis on secure open source software delivery and continuous integrity in software development.

In summary, Chainguard provides a platform for secure, vulnerability-free open source software, helping organizations ship software faster, scale securely, and maintain compliance with automated, hardened software artifacts.