EU Sovereignty Score
EU sovereignTelephony & VoIPHeadquarters: DK

Adversus: sovereignty score and 8 European alternatives

Adversus is a cloud platform for outbound sales and contact centre teams. It brings automatic dialling, email, appointment scheduling and lead management into one browser-based environment, so agents can work through call lists and follow-ups without switching tools. The vendor describes it as a unified platform for dialling, emailing and scheduling. It is delivered as a hosted service rather than as software installed on the customer's own servers.

Adversus A/S is registered in Aarhus, Denmark, and as an EU company it falls under EU data-protection law. The public homepage does not state where customer data is stored, and the ownership structure is not described in public sources. A European organisation should therefore ask the vendor for its hosting locations, sub-processors and data processing agreement before using the platform for customer contact data. The website refers to ISO and SOC 2 certifications.

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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 October 11, 2026
HeadquartersDK (EU)Verified by hand
Sovereignty modelVendor-hosted (EU)Verified by hand
Data hostingEUVerified by hand
Open-sourceNoVerified by hand
GDPR-compliantNoVendor-stated
CategoryTelephony & VoIP
TypeProduct
Websiteadversus.io ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Adversus

The European alternatives to Adversus 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

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 Adversus

Adversus is headquartered in DK 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 Adversus scores best on data residency.

Adversus 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 Adversus 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 Adversus?

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

Are there open-source alternatives to Adversus?

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

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

Adversus is headquartered in DK (EU) and hosts data in EU. That makes Adversus 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 October 11, 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 Adversus — GDPR-compliant & EU-hosted · EU Sovereignty Score