EU sovereignCollaborationHeadquarters: DE

Teamwire: sovereignty score and 8 European alternatives

Teamwire is a business messenger from Teamwire GmbH, aimed at companies and public authorities. The app offers one-to-one and group chats, broadcast messages, file sharing, voice and video calls with screen sharing, a company-wide address book, location sharing and an SOS function for emergency alerts. According to the vendor, it targets emergency and security services, critical infrastructure, healthcare and the public sector. Administrators use a dashboard with LDAP integration, roles and audit logs; mobile device management is possible through an encrypted container and through MDM/EMM/UEM solutions via AppConfig. The app runs on iOS, Android, desktop and the web.

Teamwire GmbH is based in Munich, Germany. The service can be run on-premise, in a German public cloud, or in a separate private cloud for each customer. According to the vendor, data is stored exclusively on servers in Germany. Teamwire states an ISO 27001 certification and a BSI C5 attestation for its hosting. The on-premise option allows an organisation to keep all data entirely under its own control.

See the 8 European alternatives ↓Assess your stack with Teamwire pre-selected

Sovereignty score

71 / 1000 = high exposure
100 = sovereign

Jurisdiction SOV-2100
Headquartered in the EU: European law applies
Data residency SOV-3100
EU-only hosting
Cryptographic key sovereignty SOV-360
Key management with a European vendor
Freedom from lock-in SOV-640
Closed source: switching requires data migration
Source & runtime sovereignty SOV-4 · SOV-655
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 July 2, 2026

Headquarters	DE (EU)	Verified by hand
Sovereignty model	Vendor-hosted (EU)	Verified by hand
Data hosting	EU	Verified by hand
Open-source	No	Verified by hand
GDPR-compliant	Yes	Vendor-stated
Hosting signal	HETZNER-AS - Hetzner Online GmbH, DE (DE)	Technically measured
Category	Collaboration
Type	Product
Website	teamwire.eu ↗

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 Teamwire

The European alternatives to Teamwire 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

37 European Collaboration 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 Teamwire

Teamwire is headquartered in DE and therefore falls under European law: the GDPR, NIS2 and the Data Act. No foreign legislation can compel access to your data.

Data is hosted exclusively in the EU, so Teamwire scores best on data residency.

Teamwire 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 Teamwire 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 Teamwire?

It depends on your use case. Strong EU alternatives to Teamwire include BigBlueButton (self-host), CryptPad and Nextcloud Deck. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Teamwire?

Yes. Open-source EU alternatives to Teamwire include BigBlueButton (self-host), CryptPad, Nextcloud Deck, FluffyChat and HedgeDoc. These keep your data fully under your own control and let you self-host if you want to.

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

Teamwire is headquartered in DE (EU) and hosts data in EU. That makes Teamwire an EU-sovereign choice in its own right; the EU alternatives on this page are comparable European tools.

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 July 2, 2026.

Sources

This record was checked via the vendor's website and legal notice during the full audit of June and July 2026. Source links have been recorded per record since 20 September 2026.

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".

CSA STARConfirmed in registry

Digital sovereignty in Collaboration

Collaboration: Team communication, file sharing, video conferencing, document editing. 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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