Top 10 B2B PropTech SaaS SSO Solutions in 2026

Enterprise SSO is presented as a major factor in proptech SaaS sales, where institutional property owners often introduce federation, provisioning, audit-log, and access-control requirements late in the buying process; cited SSOJet research claims that companies without SSO lose substantially more deals during security reviews. The comparison evaluates 10 identity providers on protocol support, SCIM provisioning, portfolio-aware tenant modeling, costs across multiple enterprise connections, delegated administration, setup speed, and pricing transparency, emphasizing that property portfolios require hierarchical access across management companies, funds, regions, and individual properties rather than flat organizations. SSOJet is ranked first for its flat-rate inclusion of SAML, OIDC, SCIM, MFA, and audit logs, while WorkOS is positioned for API-focused teams, Frontegg for prebuilt delegated administration, Auth0 and Descope for mixed staff and resident authentication, Microsoft Entra External ID for Microsoft-oriented customers and high resident counts, Stytch for early-stage deployments, Okta for large institutional buyers, FusionAuth for data-residency needs, and Keycloak for teams able to operate open-source infrastructure. The discussion identifies frequent staff turnover as a reason SCIM deprovisioning is especially important, cautions that per-connection or MAU pricing can escalate with complex portfolios or resident-facing products, and recommends deliberately separating identity federation from application-level portfolio authorization.

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