# Multi-Tenant SaaS Apps with Auth0 Organizations -- Part One

DevFeed: [Multi-Tenant SaaS Apps with Auth0 Organizations -- Part One](<https://devfeed.tech/articles/multi-tenant-saas-apps-with-auth0-organizations-part-one-84282.md>)

Original publisher: [Read original article](<https://auth0.com/blog/multi-tenant-saas-apps-with-auth0-organizations-part-one/>)

Author: Felix Colaci

Published: 2026-10-09T00:00:00Z

Content type: tutorial

Language: en

Sources: [Auth0 Blog](<https://devfeed.tech/sources/auth0-blog.md>)

Topics: [Per-user Database](<https://devfeed.tech/topics/per-user-database.md>), [Duo](<https://devfeed.tech/topics/duo.md>), [tenant data protection](<https://devfeed.tech/topics/tenant-data-protection.md>), [Single sign-on (SSO)](<https://devfeed.tech/topics/sso.md>), [Auth0](<https://devfeed.tech/topics/auth0.md>)

Tags: [access-control](<https://devfeed.tech/tags/access-control.md>), [api](<https://devfeed.tech/tags/api.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [authorization](<https://devfeed.tech/tags/authorization.md>), [b2b-saas](<https://devfeed.tech/tags/b2b-saas.md>), [database](<https://devfeed.tech/tags/database.md>), [multi-tenancy](<https://devfeed.tech/tags/multi-tenancy.md>), [saas](<https://devfeed.tech/tags/saas.md>)

## AI overview

This introductory installment explains how Auth0 Organizations support B2B SaaS identity across self-service and enterprise users. It covers organization-scoped login, enterprise identity provider discovery, tenant context switching, mapping organizations to application data, and authorization using organization roles and token claims.

## Source excerpt

If you are building a B2B SaaS product multi-tenancy is a foundational requirement. Your customers are companies, and each company expects its own isolated space. Getting this right early saves enormous pain later.