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06/06/2026 2:30 am
TL;DR: B2B SaaS teams outgrow Amazon Cognito when they need organization-native multi-tenancy, enterprise SSO, SCIM provisioning, and predictable pricing, according to WorkOS. The identity layer is no longer just authentication plumbing once customer-specific governance, directory sync, and delegated admin become product requirements.
NHIMG editorial — based on content published by WorkOS: The 5 best AWS Cognito alternatives for B2B SaaS in 2026
By the numbers:
- WorkOS AuthKit is free for up to 1 million monthly active users, which is 20 times Cognito's free tier.
Questions worth separating out
Q: How should security teams evaluate authentication platforms for B2B SaaS?
A: Start by checking whether the platform treats organisations as first-class objects, not just users.
Q: Why do enterprise SSO requirements expose weaknesses in consumer-focused auth systems?
A: Because enterprise onboarding depends on customer-controlled identity providers, delegated setup, and repeatable lifecycle operations.
Q: How do teams know if an auth platform is creating tenant-mapping debt?
A: Look for custom attributes, Lambda triggers, and application-side logic that exist only to represent customer organisations, roles, or SSO state.
Practitioner guidance
- Inventory tenant-aware identity requirements List every B2B requirement that depends on organisation context, including per-customer SSO, tenant isolation, delegated admin, and directory sync.
- Test enterprise onboarding without engineering involvement Walk a new customer through SSO setup and confirm whether their IT team can complete it through a self-service portal.
- Validate lifecycle offboarding against directory source of truth Check whether deprovisioning is automatic, near real time, and tied to the customer directory rather than a manual support process.
What's in the full article
WorkOS's full article covers the operational detail this post intentionally leaves for the source:
- A side-by-side feature breakdown of WorkOS, Auth0, Keycloak, SuperTokens, and FusionAuth for B2B SaaS teams
- Implementation considerations for enterprise SSO, SCIM directory sync, and customer-facing admin flows
- Pricing and migration trade-offs that matter once your team is past the initial architecture decision
- A comparison table that helps engineering and IAM teams map feature fit against current roadmap needs
👉 Read WorkOS's comparison of AWS Cognito alternatives for B2B SaaS →
AWS Cognito alternatives for B2B SaaS: what changes for IAM teams?
Explore further
06/06/2026 4:13 am
Enterprise authentication is now a governance layer, not a login layer. The article makes clear that B2B SaaS teams outgrow general-purpose auth when tenant hierarchy, delegated administration, and lifecycle control become product requirements. That is an identity architecture problem, not just a UX preference. Once customer organisations need their own SSO and directory sync, the auth platform is shaping governance across the application estate, and practitioners should treat it as part of the identity control plane.
A few things that frame the scale:
- 88.5% of organisations acknowledge that their non-human IAM practices lag behind or are merely on par with their human identity and access management efforts, according to The 2024 Non-Human Identity Security Report.
- Only 19.6% of security professionals express strong confidence in their organisation's ability to securely manage non-human workload identities, which shows how quickly governance maturity drops outside human IAM.
A question worth separating out:
A: Treat that as a governance gap, not just an implementation inconvenience. Prioritise platforms that can automate provisioning, deprovisioning, and customer-managed SSO setup, because those controls reduce engineering dependency and improve lifecycle accuracy. If you cannot automate the operating model, prepare for slower offboarding, more ticket volume, and weaker audit evidence.
👉 Read our full editorial: AWS Cognito alternatives for B2B SaaS and enterprise IAM
