EU Sovereignty Score
EU sovereignProcurement & Spend ManagementHeadquarters: DE

Onventis: sovereignty score and 8 European alternatives

Onventis is a source-to-pay platform for mid-sized companies, founded in Stuttgart in 2000. Its modular software-as-a-service portfolio covers supplier management, sourcing, contract management, procure-to-pay, AP automation and spend analytics, complemented by a supplier portal and the Onventis Network. The vendor has also introduced AI agents for tasks such as invoice coding, spend categorisation and the intake of purchase requests.

Onventis GmbH is a German company. According to its company history, the financial investor Keensight Capital acquired it from Main Capital Partners. The vendor says its software runs in a protected data environment with a European operating model, and it advertises an EU data boundary, customer-managed keys and an off-cloud backup. Datagroup, a German IT services provider, has operated the Onventis data centre since 2021. The sources do not name the exact site, so a European organisation should confirm location and sub-processors in the contract. The software is proprietary and not open source.

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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 September 20, 2026
HeadquartersDE (EU)Verified by hand
Sovereignty modelVendor-hosted (EU)Verified by hand
Data hostingEUVerified by hand
Open-sourceNoVerified by hand
GDPR-compliantYesVendor-stated
Hosting signalGD-EMEA-DC-SXB1 - Host Europe GmbH, DE (DE)Technically measured
CategoryProcurement & Spend Management
TypeProduct
Websiteonventis.com ↗

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 Onventis

The European alternatives to Onventis 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

27 European Procurement & Spend Management 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 Onventis

Onventis 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 Onventis scores best on data residency.

Onventis 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 Onventis 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 Onventis?

It depends on your use case. Strong EU alternatives to Onventis include AddVue, Atexo and Basware. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Onventis?

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

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

Onventis is headquartered in DE (EU) and hosts data in EU. That makes Onventis 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 September 20, 2026.

Sources

This record was checked via the vendor's website and legal notice when it was added on September 20, 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".

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 Procurement & Spend Management

Procurement & Spend Management: Sourcing, supplier management, purchase-to-pay and spend 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.

Also in this category

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