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§ Private Profile · San Francisco, CA, USA
The open source platform for managing identity in business software
Tesseral has raised $3.5M across 2 funding rounds.
Key people at Tesseral.
Tesseral was founded in 2023 by Ned O'Leary (Founder) and Ulysse Carion (Founder).
Tesseral has raised $3.5M in total across 2 funding rounds.
Tesseral is the open source platform for managing identity and access in business software. It provides enterprise-grade capabilities, including SAML single sign-on, SCIM provisioning, role-based access control, managed API keys, and audit logs, implemented in just a few lines of code.
Tesseral unifies access management for employees, customers, services, and AI agents, giving organizations the flexibility to adapt to any deployment model and the authority to enforce security policies with precision.
You can learn more by reading our docs at https://tesseral.com/docs or by checking out our GitHub at https://github.com/tesseral-labs/tesseral.
Key people at Tesseral.
Tesseral is an open-source authentication and identity management platform designed specifically for B2B SaaS applications. It provides a comprehensive suite of tools for user authentication, authorization, and provisioning, including enterprise features like SAML single sign-on (SSO), SCIM provisioning, role-based access control (RBAC), multi-factor authentication (MFA), and managed API keys. Tesseral enables SaaS companies to rapidly integrate secure, scalable user management with minimal coding effort, allowing developers to focus on their core product development while ensuring enterprise-grade security and compliance[1][2][4].
For an investment firm, Tesseral represents a mission-driven platform focused on simplifying and securing identity management in business software, targeting SaaS companies that serve enterprise clients. Its investment philosophy would likely emphasize open-source innovation, developer-centric solutions, and enterprise security. Key sectors include SaaS, cybersecurity, and identity management. Tesseral positively impacts the startup ecosystem by lowering the barrier for SaaS companies to implement robust identity solutions, accelerating time-to-market and enhancing security standards across the industry.
For a portfolio company, Tesseral builds an open-source identity platform that serves SaaS developers and enterprises needing secure, scalable user management. It solves the problem of complex, costly identity integration by offering pre-built UI components, SDKs, and enterprise integrations that streamline authentication, authorization, and user lifecycle management. Tesseral shows strong growth momentum by addressing a critical pain point in SaaS development with a flexible, self-hosted or managed cloud solution that supports unlimited users and organizations even in its free community edition[1][2][4].
Tesseral was founded to address the complexity and fragmentation in B2B SaaS user management. While specific founding year and founders' details are not publicly available, the platform has evolved as a modern alternative to legacy open-source identity solutions like Keycloak, focusing on developer experience, enterprise readiness, and open-source accessibility[8]. The idea emerged from the need for a simpler, more integrated identity platform that supports multiple authentication methods, enterprise SSO, and automated provisioning with minimal developer overhead.
Early traction likely came from SaaS companies seeking a robust, customizable, and open-source identity solution that could be self-hosted or used as a managed service, enabling rapid integration and enterprise compliance. The platform’s open-source MIT license and comprehensive feature set have helped it gain adoption among developers and enterprises looking for flexible identity infrastructure[1][2][8].
Tesseral rides the growing trend of SaaS companies demanding secure, scalable, and developer-friendly identity management solutions. The increasing complexity of enterprise security requirements, combined with the need for rapid SaaS product development, makes identity infrastructure a critical bottleneck. Tesseral’s timing is favorable as businesses adopt zero-trust security models, multi-cloud architectures, and hybrid deployment strategies requiring flexible identity solutions.
Market forces such as the rise of remote work, regulatory compliance demands, and the proliferation of APIs drive demand for robust authentication and authorization platforms. Tesseral influences the ecosystem by providing an open-source alternative to proprietary identity platforms, promoting interoperability, and reducing vendor lock-in. Its support for modern standards like SAML, OIDC, SCIM, and passkeys aligns with evolving security protocols, helping SaaS companies stay compliant and secure[1][2][8].
Looking ahead, Tesseral is well-positioned to expand its footprint in the B2B SaaS identity space by continuing to enhance its developer tools, enterprise integrations, and security features. Trends such as passwordless authentication, AI-driven identity analytics, and decentralized identity could shape its roadmap. As enterprises increasingly prioritize data privacy and control, Tesseral’s open-source, self-hosted options will likely gain more traction.
The platform’s influence may grow as it becomes a standard identity layer for SaaS applications, enabling faster innovation cycles and stronger security postures. For investors and portfolio companies, Tesseral represents a strategic asset in the identity management domain, balancing open-source community strength with enterprise readiness and developer-centric design[1][2][8].
Tesseral has raised $3.5M across 2 funding rounds. Most recently, it raised $3.0M Seed in May 2025.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| May 1, 2025 | $3M Seed | — | 10100, Evolution Equity Partners, Felicis Ventures, Greylock, Rick Yang, Nexus Venture Partners, Otherwise Fund, Pioneer Fund, Race Capital, Zain Rizavi, Scale Asia Ventures, Y Combinator, Calvin French Owen, Jessica Livingston, Mike Wiacek, Nick Bushak, Paul Graham, Steve Bartel, Dalton Caldwell | Announced |
| Apr 1, 2024 | $500K Seed | — | 10100, Evolution Equity Partners, Rick Yang, Pioneer Fund, Race Capital, Zain Rizavi, Scale Asia Ventures, Y Combinator | Announced |
Tesseral was founded in 2023 by Ned O'Leary (Founder) and Ulysse Carion (Founder).
Tesseral has raised $3.5M in total across 2 funding rounds.
Tesseral's investors include 10100, Evolution Equity Partners, Felicis Ventures, Greylock, Rick Yang, Nexus Venture Partners, Otherwise Fund, Pioneer Fund, Race Capital, Zain Rizavi, Scale Asia Ventures, Y Combinator.
