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Communications

Google Sign-in : Datenschutz, & EU Alternatives

Google Sign-in is subject to US law (CLOUD Act / FISA 702). GDPR-compliant use is only possible with a valid DPA, Standard Contractual Clauses (SCCs) and a Transfer Impact Assessment (TIA). For sensitive data, an EU alternative is the more robust choice.

🇺🇸USAUS-Jurisdiktion

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Is Google Sign-in GDPR compliant?

Google Sign-in is subject to US law (CLOUD Act / FISA 702). GDPR-compliant use is only possible with a valid DPA, Standard Contractual Clauses (SCCs) and a Transfer Impact Assessment (TIA). For sensitive data, an EU alternative is the more robust choice.

Vendor Profile

Who is the contractual partner?

Jurisdiction
USA
Hosting
Google Cloud US
Owner
Google LLC🇺🇸

Sovereignty Level: Level 0 of 4

US-Anbieter, US-Server. Voller CLOUD-Act-Zugriff. Bei jedem Schrems-Urteil fällt das Tool um.

  1. Level0
  2. Level1
  3. Level2
  4. Level3
  5. Level4

The five levels, from US-SaaS (Level 0) to fully sovereign (Level 4), we explain in detail here.

Contract & Subprocessor Chain

  1. 1.Google LLC (US, Mountain View CA)

Even if the main provider is based in the EU, a US subprocessor in this chain can trigger a third-country transfer. This is the core pitfall of .

Data Categories

What data does Google Sign-in process?

In typical use, the following data categories arise. Which ones are relevant for you depends on your setup and scope of use.

  • Business email correspondence
  • Calendar entries and meeting content
  • Drive/file storage content (if enabled)
  • Directory of all employees

Data Subjects

Who is affected by the processing?

Under Art. 30 GDPR, you must document the categories of data subjects per processing activity. In typical use, these include:

  • All employees of your company
  • External communication partners (customers, suppliers)

Concrete Impact

What does this mean in practice?

Your entire business communications (email, calendar, files) are stored with a US corporation. Even the EU data location of M365 / Workspace does not change the CLOUD Act applicability.

Note: This is a risk description, not a specific incident. Whether access occurred in your case depends on many factors. What can be documented: the risk must be named in your TIA and mitigated with additional measures.

meetergo Recommendation

Google-Login: Datentransfer und Einwilligung prüfen

Google Sign-in überträgt Login-Daten an Google USA. Für souveräne Authentifizierung EU-native Alternativen wie Keycloak (self-hosted) oder Azure AD EU-Region prüfen.

Login-Lösung prüfenCheck your own domain

GDPR-compliant providers

EU alternatives to Google Sign-in

Providers based in the EU or EEA. No third-country transfer, simpler DPA situation, TIA generally not required.

Open-Xchange-Logo

Open-Xchange

🇩🇪

Deutsche Office-Suite und Mail-Lösung.

Switch in ~30 days

Mailbox.org-Logo

Mailbox.org

🇩🇪

DSGVO-konforme E-Mail aus Berlin.

Switch in ~21 days

Tutanota-Logo

Tutanota

🇩🇪

Verschlüsselte E-Mail aus Hannover.

Switch in ~30 days

1&1 Mail-Logo

1&1 Mail

🇩🇪

German email service from IONOS.

Apsis-Logo

Apsis

🇸🇪

Swedish marketing and customer journey automation.

Migration Plan

How to migrate away from Google Sign-in

The following steps are the typical path for this tool category. Order and time required depend on your specific setup.

  1. 1

    Plan MX cutover with reduced TTL

  2. 2

    IMAP migration of existing mailboxes

  3. 3

    Run calendar and drive in parallel

  4. 4

    Gradual employee migration (pilot → departments → all)

We help with migration planning at no cost: 30 minutes with a data protection specialist to prioritise and define a migration sprint. Book appointment

Frequently Asked Questions

Google Sign-in & Privacy: FAQ

Is Google Sign-in GDPR-compliant?

Google Sign-in can be used in a GDPR-compliant way if a valid DPA is in place, Standard Contractual Clauses (SCCs) are signed, and a Transfer Impact Assessment (TIA) has been conducted. However, the provider is headquartered in the US (Google LLC), so the CLOUD Act and FISA 702 continue to apply. This is true even when data is stored in an EU data centre. For sensitive data or strict oversight (public authorities, healthcare, large corporates), switching to an EU provider is often preferred.

Who is the contractual partner for Google Sign-in?

The contract chain includes: Google LLC (US, Mountain View CA). The legal parent entity is decisive for data protection. Even if an EU subsidiary signs the DPA, a US subprocessor in the chain can trigger third-country transfer obligations.

What EU alternatives are there to Google Sign-in?

There are several GDPR-compliant EU alternatives. They are listed under "EU Alternatives" on this page. The selection is tailored to the feature set of Google Sign-in (Identitäts- / Login-Dienst). meetergo covers the core workflow and can fully replace Google Sign-in in many cases.

Where is Google Sign-in data stored?

According to provider information: Google Cloud US. Note: even an EU data centre does not protect against the CLOUD Act when the parent company is in the US. This is the core finding of the Schrems II decision.

What does the CLOUD Act mean for Google Sign-in users?

The US CLOUD Act (Clarifying Lawful Overseas Use of Data Act, 2018) allows US authorities to request data from US companies regardless of the physical storage location. If Google LLC is subject to the CLOUD Act, US law enforcement could theoretically access Google Sign-in data stored in Frankfurt without involving EU authorities. The EDPB Recommendations 01/2020 therefore require additional safeguards or a switch to an EU provider.

Do I need a TIA for Google Sign-in?

Yes, in most cases. Since Schrems II (July 2020), a Transfer Impact Assessment is mandatory for US providers when personal data is transferred. The TIA documents US law, practical risks (NSA access, subpoenas) and additional measures (encryption, pseudonymisation). Only a valid TIA makes the use of Google Sign-in legally defensible.

How much effort is involved in switching away from Google Sign-in?

Migration effort depends on your specific setup: typically between a few business days (booking, forms) and several weeks (CRM, hosting). The roadmap below shows the typical order.

Related Vendors

More tools in Communications

Next Step

Which tools are running on your website?

60 seconds, no login: the Sovereignty Scan shows all detected vendors with jurisdiction, risk, and matching EU alternatives.

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Note

Hinweis

Risiko-Indikator, keine Rechtsberatung.

Der Sovereignty Scan wertet öffentlich erreichbare Signale aus (HTML der Startseite und Rechtsseiten, DNS-, MX-, SPF- und ASN-Daten) und vergleicht sie mit unserer Datenbank von ca. 3.000 Anbietern. Die Zuordnung von Tool zu Eigentümer und Jurisdiktion basiert auf öffentlichen Quellen (Impressum, Datenschutzerklärung, Wappalyzer, RIPE/ARIN-Registrierungen) und ist als Erstindikation zum Stichtag der Auswertung gedacht, nicht als rechtsverbindliche Bewertung.

Die Note A–E ist ein Risiko-Indikator, kein DSGVO-Konformitätsurteil. Für eine konkrete DSGVO-Bewertung, insbesondere für Auftragsverarbeitungsverträge (AVV/DPA), Standardvertragsklauseln (SCC) und Transfer Impact Assessments (TIA), wenden Sie sich bitte an Ihren Datenschutzbeauftragten oder eine externe Rechtsberatung. meetergo trifft keine Aussage darüber, ob ein konkreter Anbieter in einem konkreten Anwendungsfall DSGVO-konform eingesetzt werden kann.

Korrektur & Stellungnahme: Wenn Sie Domain-Inhaber, Datenschutzbeauftragter oder Pressestelle der bewerteten Domain sind und die hier gezeigten Signale nicht Ihrer aktuellen Tool-Konfiguration entsprechen, nehmen wir Korrekturen auf und passen die Anzeige nach Prüfung umgehend an.

Methodik & GrenzenListing korrigieren / Stellungnahme einreichen