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    Best EU Alternatives to Firebase Authentication

    3 GDPR-compliant European alternatives to Firebase Authentication with verified EU data residency

    O
    Ory
    DEGermany

    Open-source identity and access management (IAM) infrastructure for CIAM, B2B, and AI agents.

    Alt to:Auth0, Okta, Keycloak +2
    Q
    Quasr BV
    BEBelgium

    Quasr provides a Customer Identity & Access Management (CIAM) platform allowing developers to add authentication and privacy capabilities to their applications without having to be security experts, while offering the best user experience (UX) and autonomy to their end customers.

    Alt to:Okta, Auth0 (Okta), Clerk +2

    Firebase Authentication alternatives compared

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    Comparison of European alternatives to Firebase Authentication: headquarters, EU data hosting, US Cloud Act exposure and open source status.
    ServiceHeadquartersData hostingEU data residencyLow Cloud Act exposureOpen source
    cidaasGermanyGermanyYesYesNo
    OryGermanyEU (any EU region), Global / multi-regionNoNoNo
    Quasr BVBelgiumEU (any EU region)YesYesNo

    Frequently asked questions about Firebase Authentication alternatives

    What are the best EU alternatives to Firebase Authentication?+

    The EU Alternatives Directory lists 3 European alternatives to Firebase Authentication, including cidaas, Ory, Quasr BV. Each one is checked for European headquarters and data protection practices.

    Why switch from Firebase Authentication to an EU alternative?+

    An EU-based alternative keeps your data under European jurisdiction and GDPR. It reduces exposure to the US Cloud Act and foreign data access laws.

    Are EU alternatives to Firebase Authentication as good?+

    Many EU alternatives to Firebase Authentication offer comparable features, with the added benefit of European data residency and digital sovereignty.

    How are these Firebase Authentication alternatives verified?+

    We check the legal entity, country of headquarters and hosting locations. Only providers based in the EU, EEA, UK, Switzerland or Ukraine are listed.