EU Sovereignty Score
Non-EU vendorCaptcha & Bot DetectionHeadquarters: US

Google reCAPTCHA: sovereignty score and 8 European alternatives

Google reCAPTCHA is a bot-detection service that website operators embed to tell human visitors from automated traffic. Version 2 offers a checkbox or invisible check, while version 3 and the Enterprise edition assess visitors in the background so that low-risk users see no challenge. A site key invokes the service in a web page or mobile app, and a secret key lets the website's backend verify the response with Google's servers.

reCAPTCHA is operated by Google, a company headquartered in the United States, and verification requests go to Google's servers, so the service is subject to US law, including the CLOUD Act. Critics point to its reliance on cookies and behavioural signals; Google states that reCAPTCHA data is not used for personalised advertising. It is offered only as a hosted service. European organisations should assess consent and data-transfer obligations before embedding it, or consider an EU-based captcha alternative.

See the 8 European alternatives ↓Assess your stack with Google reCAPTCHA pre-selected
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Sovereignty score
17 / 1000 = high exposure
100 = sovereign
  • Jurisdiction SOV-210
    Headquartered in the US: CLOUD Act and FISA 702
  • Data residency SOV-30
    No hosting in Europe (US)
  • Cryptographic key sovereignty SOV-320
    Key management with a non-European vendor
  • Freedom from lock-in SOV-640
    Closed source: switching requires data migration
  • Source & runtime sovereignty SOV-4 · SOV-615
    Closed source, runtime with the vendor

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 2, 2026
HeadquartersUS (US)Verified by hand
EU adequacy decisionOnly for companies individually certified under the EU-US Data Privacy FrameworkVerified by hand
Sovereignty modelVendor-hosted (non-EU)Verified by hand
Data hostingUSVerified by hand
Open-sourceNoVerified by hand
GDPR-compliantNoVendor-stated
Hosting signalGOOGLE - Google LLC, US (US)Technically measured
CategoryCaptcha & Bot Detection
TypeProduct
Websitegoogle.com ↗

The hosting signal shows the network that serves the vendor's website, often a CDN, and not necessarily where the service or your data is hosted. How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Google reCAPTCHA

The European alternatives to Google reCAPTCHA come from our knowledge base of over 6,200 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

15 European Captcha & Bot Detection vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with Google reCAPTCHA

Google reCAPTCHA is headquartered in the United States. US vendors fall under the CLOUD Act and FISA 702: US authorities can compel access to data, even when that data sits in a European data centre. That is the core of the jurisdictional exposure in our model.

Google reCAPTCHA hosts data outside the EU (US). Personal data therefore leaves the EU, which requires a transfer mechanism under the GDPR and pulls the data residency score down.

Google reCAPTCHA is closed source and hosted by the vendor. The encryption keys and the runtime sit with the vendor and switching requires data migration. Ask about bring-your-own-key, export options and open standards.

What this means for your organisation depends on your whole stack and context. The free assessment weighs Google reCAPTCHA together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to Google reCAPTCHA?

It depends on your use case. Strong EU alternatives to Google reCAPTCHA include ALTCHA, Captcha.eu and CaptchaFox. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Google reCAPTCHA?

Yes. Open-source EU alternatives to Google reCAPTCHA include ALTCHA. These keep your data fully under your own control and let you self-host if you want to.

Is Google reCAPTCHA GDPR-compliant and where is the data hosted?

Google reCAPTCHA is headquartered in US and hosts data in US. Its GDPR compliance is limited or unclear. For full EU data residency the EU alternatives on this page usually offer more certainty.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 2, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

Digital sovereignty in Captcha & Bot Detection

Captcha & Bot Detection: Services that detect whether a real user or bot is visiting a website. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

Also in this category

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8 European alternatives to Google reCAPTCHA — GDPR-compliant & EU-hosted · EU Sovereignty Score