EU Sovereignty Score
Self-hosted / open sourceCybersecurityHeadquarters: CH

ID Quantique: sovereignty score and 8 European alternatives

ID Quantique (IDQ) was founded in Geneva in 2001 and develops quantum technologies for secure communications and random number generation. Its product lines include Quantis quantum random number generators (PCIe cards, chips and an appliance), the Clavis XG and Cerberis XG quantum key distribution (QKD) systems, and the Clarion KX key exchange platform. Many of these are physical devices, such as cards, chips, appliances and QKD systems, that operators install in their own networks and data centres.

In 2025 IonQ, a US quantum computing company listed on the NYSE, acquired a controlling stake in IDQ, which now operates as part of IonQ. The company's address is in Geneva, Switzerland, and its privacy statement refers to the Swiss Federal Act on Data Protection and the GDPR. Because the parent is US-based, US ownership is a factor to weigh for supply continuity and legal dependencies. For a European organisation, the hardware can run within its own infrastructure. The website does not state where any hosted service is operated.

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Sovereignty score
80 / 1000 = high exposure
100 = sovereign
  • Jurisdiction SOV-2100
    Headquartered in Switzerland: Swiss law, recognised by the EU as adequate
  • Data residency SOV-3100
    Hosting in Switzerland only (recognised by the EU as adequate)
  • Cryptographic key sovereignty SOV-380
    Closed source, but self-hostable: encryption keys and runtime under your own control
  • Freedom from lock-in SOV-640
    Closed source: switching requires data migration
  • Source & runtime sovereignty SOV-4 · SOV-680
    Closed source, but self-hostable on your own infrastructure

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 12, 2026
Headquarters
CH (EU)Verified by hand
Ultimate parent company
USVerified by hand
Data hosting
Self-hosted, e.g. in CH (your choice)Verified by hand
Open-source
NoVerified by hand
GDPR-compliant
YesVendor-stated
Category
Cybersecurity
Type
Product
Website
idquantique.com ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to ID Quantique

The European alternatives to ID Quantique come from our knowledge base of over 8,000 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

124 European Cybersecurity 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 ID Quantique

ID Quantique is headquartered in Switzerland and falls under Swiss law, including the revised Swiss data protection act. Switzerland is not an EU member, but the European Commission recognises its level of data protection as adequate. Its Swiss headquarters does not by itself bring it under US legislation such as the CLOUD Act. The ultimate owner is based in US. Foreign control undermines part of the certainty a European headquarters offers.

ID Quantique runs on infrastructure you choose and control yourself. You decide where the data lives, including fully within the EU if you want — this is not a fixed hosting choice made by the vendor.

ID Quantique is closed source, but you run the software yourself on your own infrastructure. The encryption keys and the runtime therefore stay under your own control, though you cannot audit or modify the source code. Ask about export options and open standards to limit software-level lock-in.

What this means for your organisation depends on your whole stack and context. The free assessment weighs ID Quantique 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 ID Quantique?

It depends on your use case. Strong EU alternatives to ID Quantique include Actalis, Advenica and Aikido Security. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to ID Quantique?

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

Is ID Quantique GDPR-compliant and where is the data hosted?

ID Quantique is headquartered in CH (EFTA) and hosts data in CH. That makes ID Quantique 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 12, 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

Cyber Resilience Act

Public signals that relate to the EU Cyber Resilience Act. They do not count towards the score. A missing line means "not found publicly".

We found none of these signals on the vendor's own site when we checked.

For products in scope of the CRA, CE marking is required from 11 December 2027; this cannot be checked yet.

Checked on October 12, 2026. What is the Cyber Resilience Act?

Timeline

Dated changes in who controls this vendor or where it is based, newest first. Every line links to the public sources.

  1. · Ownership changeVendor-stated

    IonQ (United States) acquired a controlling stake in ID Quantique; the acquisition was completed in May 2025.

All ownership changes

Digital sovereignty in Cybersecurity

Cybersecurity: Threat detection, endpoint protection, SIEM, vulnerability management. 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 ID Quantique — GDPR-compliant & EU-hosted · EU Sovereignty Score