Side-by-Side Comparison
| Metric | Cerbos | Warrant |
|---|---|---|
| Founded | ||
| Founded | 2021 | 2021 |
| Headquarters | ||
| Headquarters | United Kingdom | Los Angeles, United States |
| Employees | ||
| Employees | 25 larger | 8 |
| Industry | ||
| Industry | Developer Tools, IT, Productivity | B2B, Developer Tools |
| Funding Stage | ||
| Funding Stage | Seed | Pre Seed |
| Total Funding | ||
| Total Funding | $8.63M | $125.00K |
| Funding Rounds | ||
| Funding Rounds | 2 | 1 |
| Services | ||
| Services | Externalized Authorization System, Policy Decision Points (PDP), Policy Administration Point (PAP), Fine-grained Access Control, Access Control Auditing | Not tracked yet |
| Target Customers | ||
| Target Customers | Developers, Product Managers, Security Teams, Architects, Tech Startups | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Self-hosted Software, Open-source Solutions, Authorization Layer, User Permissions, Authorization Management, Scalable Authorization, Secure Authorization, Application Evolution, Centralized Authorization, Collaborative Permissions, Decoupled Authorization, Access Visibility, Rapid Access Changes, Software Infrastructure, Plug-and-play | Authorization, Access Control, Developers, API, RBAC, ABAC |
| Website | ||
| Website | cerbos.dev | warrant.dev |
About Cerbos
Cerbos is an innovative player in the Developer Tools, IT, and Productivity sectors, founded in 2021 and centered in the United Kingdom. It offers a unique solution by providing a self-hosted, open source authorization layer that efficiently decouples authorization logic from core application code....
About Warrant
Warrant, a Y Combinator S21-backed startup, provides authorization and access control infrastructure for developers, simplifying the process with industry-leading functionality that can be integrated into applications with less than 20 lines of code. Founded in 2021 and headquartered in the United S...
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Funding, hiring, leadership and stack changes at Cerbos and Warrant — by email.
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Compiled from the BounceWatch company index. We last looked at Cerbos on 2 Dec 2025, and Warrant on 13 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.