EU Sovereignty Score
Non-EU vendorHRHeadquarters: US

Oyster HR: sovereignty score and 8 European alternatives

Oyster HR is an employer-of-record service that lets companies hire, pay and manage employees and contractors in countries where they have no legal entity. It offers full-time employment and contractor services through an online platform. The company states that it was founded in 2020, and it describes itself as the employer of record for its clients. No self-hosted version is described.

The legal entity is Oyster HR, Inc. The company's own information page states that it is headquartered in San Francisco, California. The pages reviewed do not say where customer data is hosted and do not state a GDPR or data processing commitment; the company refers to a separate trust centre and privacy notice. For a European organisation, an employer-of-record service processes personal and payroll data of staff abroad, so US jurisdiction and the hosting location should be checked in the contract before use. The service is not open source.

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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 10, 2026
Headquarters
US (US)Verified by hand
EU adequacy decision
Only for companies individually certified under the EU-US Data Privacy FrameworkVerified by hand
Sovereignty model
Vendor-hosted (non-EU)Verified by hand
Data hosting
USVerified by hand
Open-source
NoVerified by hand
GDPR-compliant
NoVendor-stated
Category
HR
Type
Product
Website
oysterhr.com ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Oyster HR

The European alternatives to Oyster HR come from our knowledge base of over 6,800 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

58 European HR 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 Oyster HR

Oyster HR 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.

Oyster HR 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.

Oyster HR 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 Oyster HR 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 Oyster HR?

It depends on your use case. Strong EU alternatives to Oyster HR include AFAS, AlexisHR and ATOSS Workforce Intelligence. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Oyster HR?

Our list of EU alternatives to Oyster HR is mostly commercial options. Browse the category on the map for open-source choices.

Is Oyster HR GDPR-compliant and where is the data hosted?

Oyster HR 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 10, 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 HR

HR: Human resources — personnel management, payroll, recruiting. 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 Oyster HR — GDPR-compliant & EU-hosted · EU Sovereignty Score