I’m building a React app and need social login plus enterprise SSO. What should I choose?

For a React app, the choice usually depends on who your users are and how much identity complexity you want to own.

Quick recommendation

• If you need consumer social login + enterprise SSO together: use a hosted auth provider / B2C identity platform rather than building auth yourself.
• If you only need a few social providers: use Auth0, Clerk, Firebase Auth, or AWS Cognito depending on your scale and enterprise needs.
• If enterprise SSO is a serious requirement: choose something that supports SAML + OIDC + SCIM, not just “Google login.”

Best-fit options

1) Auth0

Best for: fastest path to social login + enterprise SSO in React
Why choose it:

• Supports social logins (Google, GitHub, Apple, etc.)
• Supports enterprise SSO via SAML, OIDC, Azure AD, Okta, ADFS, more
• Good React SDK and docs
• Easy to get started, good admin tooling

Tradeoff: can get expensive as you scale.

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2) Clerk

Best for: modern React apps that want excellent developer experience
Why choose it:

• Very easy React integration
• Social login support
• Enterprise features are improving, but if you need deep enterprise SSO/SCIM complexity, verify fit carefully

Tradeoff: excellent DX, but may be less flexible than Auth0 for complex enterprise setups.

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3) AWS Cognito

Best for: AWS-heavy infrastructure, cost-sensitive apps
Why choose it:

• Supports social login and federation
• Can handle enterprise identity via SAML/OIDC federation
• Lower cost at scale

Tradeoff: more setup complexity, weaker developer experience than Auth0/Clerk.

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4) Firebase Auth

Best for: simple consumer apps
Why choose it:

• Very easy social login
• Great for quick launches

Tradeoff: enterprise SSO is not its strongest area. If enterprise customers matter, you’ll likely outgrow it.

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5) WorkOS + your own auth/session layer

Best for: SaaS products targeting businesses
Why choose it:

• Great for enterprise SSO, directory sync, SCIM
• Pairs well with your own auth or a backend auth system
• Very SaaS-friendly

Tradeoff: you’ll need to design the rest of the auth stack yourself or combine it with another provider.

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What I’d choose

Choose Auth0 if:

• You want both social login and enterprise SSO
• You want the quickest path with broad support
• You’re okay paying more for convenience

Choose WorkOS + another auth solution if:

• Your app is B2B SaaS
• Enterprise SSO is a major selling point
• You want best-in-class enterprise features

Choose Clerk if:

• You want the best React dev experience
• Your enterprise SSO needs are moderate

Choose Cognito if:

• You’re already on AWS and want lower cost
• You can tolerate more setup complexity

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Important features to look for

Make sure the provider supports:

• OIDC / OAuth 2.0
• SAML 2.0 for enterprise SSO
• Google/Microsoft/Apple/GitHub social login
• SCIM if you need user provisioning/deprovisioning
• MFA, passwordless, organizations/tenants, RBAC

If you want a single short answer

• B2C app: Clerk or Auth0
• B2B SaaS with enterprise SSO: Auth0 or WorkOS
• AWS-centric / budget-conscious: Cognito

If you tell me:

1. whether this is B2C or B2B,
2. which social providers you need, and
3. whether you need SAML/SCIM,

I can recommend the best exact stack for your React app.