Non-EU vendorLegal TechHeadquarters: US

Sirion: sovereignty score and 8 European alternatives

Sirion is an AI-native contract lifecycle management platform used by large enterprises and in-house legal teams. It supports drafting, negotiation, execution and monitoring of contracts, and positions itself as a system of record for contractual data and performance. Its agentOS provides pre-built AI agents, such as a Search Agent and a Draft Agent, and the vendor combines its own small language models with large language models. Sirion is delivered as a cloud-based platform.

Sirion was founded in 2012 and is described as headquartered in Lehi, Utah, in the United States, with offices in several countries, including the UK, France and Germany. In early 2026 Haveli Investments, a US technology investment firm based in Austin, took a majority stake, so the ultimate owner is American. Sirion has earlier raised funding from investors including Partners Group. The software is proprietary. Hosting providers and regions depend on the engagement, so a European organisation should confirm them in the contract, ask for the current sub-processor list and consider US jurisdiction over both the vendor and its majority owner.

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Sovereignty score

27 / 1000 = high exposure
100 = sovereign

Jurisdiction SOV-210
Headquartered in the US: CLOUD Act and FISA 702
Data residency SOV-350
Hosting inside and outside Europe (EU, OTHER)
Cryptographic key sovereignty SOV-320
Key management with a non-European vendor
Freedom from lock-in SOV-640
Closed source: switching requires data migration
Source & runtime sovereignty SOV-4 · SOV-615
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 5, 2026

Headquarters	US (US)Verified by hand
EU adequacy decision	Only for companies individually certified under the EU-US Data Privacy FrameworkVerified by hand
Sovereignty model	Vendor-hosted (non-EU)Verified by hand
Data hosting	EU, OTHERVerified by hand
Open-source	NoVerified by hand
GDPR-compliant	YesVendor-stated
Category	Legal Tech
Type	Product
Website	sirion.ai ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Sirion

The European alternatives to Sirion 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

44 European Legal Tech 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 Sirion

Sirion is headquartered in the United States. US vendors fall under the CLOUD Act and FISA 702: US authorities can compel access to data, even when that data sits in a European data centre. That is the core of the jurisdictional exposure in our model.

Sirion hosts data in EU, OTHER. Exactly what stays within the EU — and what does not — is defined by the vendor's data processing agreement and sub-processor list, not by a setting you control yourself; check those documents for the precise scope, including backups, logs and support access.

Sirion 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 Sirion 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 Sirion?

It depends on your use case. Strong EU alternatives to Sirion include Advolux, Advoware and Bayshore. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Sirion?

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

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

Sirion is headquartered in US and hosts data in EU, OTHER. The vendor states it is GDPR-compliant, but the data falls under non-EU jurisdiction. For full EU data residency the EU alternatives on this page usually offer more certainty.

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 5, 2026.

Sources

Public sources used in the latest check of this record.

sirion.ai/

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 Legal Tech

Legal Tech: Legal software, contract management, compliance and legal operations. 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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