# Best CIAM for B2B SaaS: Top 5 Customer Identity Platforms

Source: https://startwithidentity.com/rankings/best-ciam-for-b2b-saas/
Last updated: 2026-07-03
License: content by Start with Identity. Cite the source URL.

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B2B SaaS has specific customer identity needs: multi-tenancy, enterprise SSO and SCIM, self-service admin, and audit. The five below are ranked for that, not for consumer scale.

Scores follow our [10-dimension rubric](https://startwithidentity.com/methodology/) and editorial judgment. Each pick links to a full vendor profile. See [CIAM for enterprises](https://startwithidentity.com/rankings/best-ciam-for-enterprises/), [CIAM for startups](https://startwithidentity.com/rankings/best-ciam-for-startups/), the [best identity tools for B2B SaaS](https://startwithidentity.com/rankings/best-identity-tools-b2b-saas/) vertical ranking, and [CIAM Compass](https://guptadeepak.com/ciam-compass/).