Single Sign-On (SSO) Implementation Services

What is SSO?

Single Sign-On is an authentication method that allows users to log in once with a single set of credentials and access all authorized applications without logging in separately to each one. SSO is built on identity federation protocols, primarily SAML 2.0 (for enterprise applications) and OIDC/OAuth 2.0 (for modern web and mobile apps). A central Identity Provider authenticates the user; connected applications trust that authentication and grant access accordingly.

Who needs it?

SSO is the right solution for organizations managing more than a handful of SaaS applications, remote or hybrid workforces, or compliance obligations that require centralized access logging and offboarding audit trails. It is also common in B2B settings where customers or partners need federated access to your platform without managing separate credentials, a standard expectation in enterprise software sales.

Why does it matter?

Without SSO, each application manages its own credentials, creating a sprawl of weak passwords, abandoned accounts, and login events your security team cannot see. When an employee leaves, offboarding requires manually removing access from every application individually, and accounts are routinely missed. SSO centralizes authentication so access policy is enforced consistently and offboarding is immediate and complete when an account is disabled in the Identity Provider.

How does SSO work?

Implementation begins with selecting an Identity Provider (Okta, Microsoft Entra ID, Ping Identity, or similar), then integrating each application using SAML or OIDC federation. Users authenticate once to the IdP, with MFA enforced at that point, and access all integrated applications through a single session. Applications verify identity tokens from the IdP rather than managing their own login. Provisioning automation via SCIM syncs user accounts and access changes across applications automatically.