EU Sovereignty Score
Self-hosted / open sourceE-signaturesHeadquarters: DE

procilon: sovereignty score and 8 European alternatives

procilon is a German group of companies, with procilon GmbH in Leipzig, that develops cryptographic software for electronic identities, secure communication and archiving. Its signature products include Sign Live!, a suite for creating and verifying electronic signatures, seals and timestamps that the vendor describes as eIDAS-compliant and designed for on-premises operation. The portfolio also covers proNEXT PKI software, components for qualified remote signing for trust service providers, and the proTECTr cloud platform for file encryption, digital signatures and the electronic court mailbox eBO. The vendor offers its portfolio as SaaS and on-premises.

procilon GmbH is headquartered in Leipzig, Germany. The group includes intarsys GmbH of Karlsruhe, and a German private-equity holding company has held the majority since 2018, so no non-European parent is involved. Because Sign Live! runs in the customer's own environment, documents need not leave it during signing. The pages consulted do not state where the proTECTr cloud is hosted. For European organisations, in particular public bodies bound by eIDAS, this means signature and PKI software from a German vendor.

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Sovereignty score
80 / 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-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 14, 2026
Headquarters
DE (EU)Verified by hand
Data hosting
Self-hosted, e.g. in EU (your choice)Verified by hand
Open-source
NoVerified by hand
GDPR-compliant
YesVendor-stated
Category
E-signatures
Type
Product
Website
procilon.de ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to procilon

The European alternatives to procilon come from our knowledge base of over 8,400 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

74 European E-signatures 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 procilon

procilon 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.

procilon 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.

procilon 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 procilon 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 procilon?

It depends on your use case. Strong EU alternatives to procilon include A-Trust, Agrello and ANF AC. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to procilon?

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

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

procilon is headquartered in DE (EU) and hosts data in EU. That makes procilon 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 14, 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

In the changelog

Earlier changes to this page, as listed in the public changelog.

Digital sovereignty in E-signatures

E-signatures: Electronic signatures, trust services, eIDAS services. 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 procilon — GDPR-compliant & EU-hosted · EU Sovereignty Score