EU Sovereignty Score
Non-EU vendorTelephony & VoIPHeadquarters: US

Ooma: sovereignty score and 8 European alternatives

Ooma Office is a cloud phone system for small and medium-sized businesses. It combines business calling with a virtual receptionist, call queues and ring groups, call recording, voicemail transcription, team chat, video conferencing and text messaging, plus AI features such as an answering service, a receptionist and call summaries. It is delivered as a hosted service through office phones, a desktop app and a mobile app.

Ooma, Inc. is headquartered in Sunnyvale, California, and is listed on the New York Stock Exchange; it is a US company without a foreign parent. Its privacy policy states that Ooma uses vendors around the world and that personal information may be transferred outside the country of residence, including to the United States. The company says it complies with the EU-U.S. Data Privacy Framework. The service is proprietary and not open source. For a European organisation, using Ooma means that US law, including the CLOUD Act, applies to the provider. The policy does not name a storage location, so hosting should be settled contractually.

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 5, 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
YesVendor-stated
Category
Type
Product
Website

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Ooma

The European alternatives to Ooma 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

66 European Telephony & VoIP 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 Ooma

Ooma 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.

Ooma 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.

Ooma 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 Ooma 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 Ooma?

It depends on your use case. Strong EU alternatives to Ooma include A1 Telekom Austria, Adversus and Auerswald. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Ooma?

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

Is Ooma GDPR-compliant and where is the data hosted?

Ooma is headquartered in US and hosts data in US. The vendor states it is GDPR-compliant, but the data falls under non-EU jurisdiction. 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 5, 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 Telephony & VoIP

Telephony & VoIP: Business telephony, VoIP platforms, CPaaS and communication APIs. 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.

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