Noxtua

What Is Noxtua?

Noxtua began life in 2017 as Xayn, a research spinout founded by Leif-Nissen Lundbæk and collaborators out of Oxford and Imperial College. From 2017 to 2025, the company worked on privacy-preserving AI and search technology, an unglamorous but relevant foundation for what came next. In April 2025, Xayn closed a EUR 80.7 million Series B, the largest legal-AI funding round in Europe to date, and rebranded as Noxtua SE the same day. The pivot was not cosmetic. It reflected a bet that the market for legal AI would split between systems built on US infrastructure and systems built to satisfy European data-sovereignty requirements from the ground up.

That bet has an unusually credible backer. C.H.Beck, Germany's dominant legal publisher, led the round and became Noxtua's product partner as well as its investor. The two companies jointly built Beck-Noxtua, launched in November 2025, which pairs Noxtua's own legal-tuned language models with exclusive access to beck-online's library of more than 60 million legal documents. Law firms CMS and Dentons also invested, alongside Northern Data — whose infrastructure now hosts the platform.

Noxtua is now headquartered in Berlin, with access points in Paris, Zagreb, and elsewhere in Europe, and roughly 60-plus employees. Its target users are in-house legal teams, law firms, tax and audit professionals, and public-sector bodies that need research, document analysis, and first-draft generation. What sets Noxtua apart is that these buyers also want a vendor whose infrastructure never touches a US cloud region.

Key Features

Research grounded in beck-online

Beck-Noxtua's core differentiator is what it searches. Rather than relying on general web content or a licensed generic legal corpus, it queries beck-online directly — laws, court decisions, commentaries, and specialist journals that German lawyers already cite in practice. For research questions rooted in German law, that grounding produces answers traceable to sources a lawyer would recognise and trust, rather than a model's own synthesis. Grounding reduces but does not eliminate the risk of a fabricated citation or a subtly wrong summary. Noxtua still expects a lawyer to verify each source before it goes into a filing or an advice memo.

Document analysis and matrix review

The platform can process large document sets and produce structured matrix analyses, useful for due diligence, compliance reviews, and contract portfolio audits. This sits alongside drafting tools integrated directly into Microsoft Word, so lawyers generate and refine first drafts inside the application they already use for every other document. For a due diligence team working through a data room of hundreds of contracts, that matrix output turns weeks of manual extraction into a structured spreadsheet a partner can actually review.

Noxtua 5's knowledge graph

The latest platform version introduces a knowledge-graph layer that Noxtua describes as a digital twin of an entire legal system. Users can explore relationships between statutes, cases, and commentary rather than retrieving isolated documents one query at a time. It is early-stage, but it points toward a more structured alternative to pure retrieval-augmented generation.

Infrastructure as the actual feature

For most legal AI vendors, "where is the data hosted" is a compliance checkbox. Noxtua treats it as the product's central claim. Everything runs on Northern Data, IONOS, and Open Telekom Cloud — three German and European infrastructure providers — with no AWS, Azure, or Google Cloud dependency anywhere in the stack. The company backs that architecture with a certification list unusually deep for one this young: BSI C5, ISO 27001, 27017, 27018, 9001, TISAX, and, notably, ISO/IEC 42001. It was the first German company certified against that AI-management-system standard.

Pricing

Noxtua does not publish prices. The company sells user-based licences, quoted per seat after a sales conversation, and until spring 2026 required enterprise-scale commitments to get started. That minimum has since dropped to just 3 seats, a meaningful change that opens the platform to small in-house teams and boutique firms rather than restricting it to organisations ready for a full rollout.

Third-party legal-tech pricing trackers have reported figures in the range of EUR 300-400 per seat per month for smaller license blocks. Noxtua has not confirmed these publicly, and actual quotes will vary by module, volume, and contract length. That is a meaningfully premium price point relative to general-purpose AI assistants. It is roughly comparable to other enterprise legal AI tools once you account for Harvey's own reported per-seat pricing and 20-seat minimums. Buyers evaluating Noxtua should request a written quote early, since the absence of a public price list makes it hard to benchmark against competitors without one.

EU Compliance & Privacy

This is where Noxtua earns its positioning. As a German entity governed by German and EU law, Noxtua sits inside the same regulatory perimeter as its customers by default. There are no Standard Contractual Clauses to negotiate, no third-country transfer assessment, and no ambiguity about which jurisdiction's courts would resolve a dispute. The infrastructure claim reinforces the legal one: data never leaves German or European data centres, running on Northern Data, IONOS, and Open Telekom Cloud rather than a US hyperscaler's European region.

Its certification stack supports both public-sector and regulated-industry procurement processes, which often require BSI C5 or ISO 27001 as a baseline before a vendor can even be evaluated. ISO/IEC 42001 adds AI-specific governance controls on top — documented risk assessments, human-oversight requirements, and monitoring — going beyond general information-security standards to speak directly to EU AI Act compliance expectations for legal-sector deployments.

Who It's Best For

German and DACH-region legal teams get the most immediate value, since Beck-Noxtua's research grounding is strongest on German law and the beck-online source material. If your matter volume is predominantly German, that grounding advantage compounds.

Public-sector legal departments and regulated enterprises that require BSI C5 or equivalent cloud-security attestations before procurement will find Noxtua's certification stack does the pre-qualification work that many AI vendors cannot.

Organisations with a hard no-US-cloud policy — whether from internal governance or client contractual requirements — have few genuine alternatives at Noxtua's scale and certification depth.

Small firms just entering legal AI can now test the platform at 3 seats rather than negotiating an enterprise contract, though they should budget for a premium per-seat price once volume discounts are applied.

Auditors, tax advisers, and courts appear explicitly among Noxtua's stated target users, a broader public-sector and professional-services reach than most legal AI vendors advertise, and one that fits naturally with the platform's compliance-first positioning.

Teams whose real need is contract lifecycle management, rather than research and drafting, should look elsewhere first. Definely covers Word-native contract review, and Juro covers browser-native negotiation and e-signature. Both sit in the same legal tech category but solve a narrower problem than Noxtua's research-and-drafting focus.

The Verdict

Noxtua is the clearest expression of "sovereign AI" currently available in European legal tech — not as a marketing label, but as an actual infrastructure decision that shapes procurement, jurisdiction, and audit trails. Beck-Noxtua's grounding in a trusted legal publisher's content is a genuine differentiator for German-law research, and the certification stack is deeper than almost any competitor's. The trade-offs are real, too: pricing opacity, a research advantage that is still primarily German rather than pan-European, and a track record measured in months rather than years under the current brand. Teams that weight sovereignty and compliance above all else should find Noxtua worth the sales call. Those needing broad multi-jurisdiction coverage today will find it one option among several, not yet the obvious default.

Frequently Asked Questions

Is Noxtua GDPR compliant?

Yes. Noxtua SE is a German entity, and its platform runs exclusively on German and European infrastructure — Northern Data, IONOS, and Open Telekom Cloud — with no dependency on US cloud providers. The company holds BSI C5, ISO 27001, 27017, 27018, 9001, and ISO/IEC 42001 certifications alongside GDPR compliance.

Does Noxtua replace Harvey for European law firms?

Noxtua targets similar broad legal-AI use cases — research, drafting, and document analysis — but built on EU-only infrastructure and its own legal-tuned models rather than US frontier models. Firms weighing the two should note that Noxtua's research strength is currently deepest in German law through Beck-Noxtua, while Harvey has broader multi-jurisdiction maturity.

What is Beck-Noxtua and how does it differ from the base Noxtua platform?

Beck-Noxtua is a co-branded product built with legal publisher C.H.Beck, launched in November 2025. It combines Noxtua's AI models with exclusive access to beck-online's 60-million-document legal database, making it the more research-heavy option for teams whose work is primarily German-law focused.

Is there a free trial or free tier for Noxtua?

No public free tier is advertised. Noxtua sells on a user-based licence, quoted per seat, and lowered its minimum commitment to 3 seats starting spring 2026 to make the platform accessible to smaller teams.

Where is Noxtua's data hosted?

Exclusively on German and European infrastructure, including Northern Data, IONOS, and Open Telekom Cloud. Noxtua treats this as a deliberate sovereignty guarantee, with zero reliance on US hyperscalers such as AWS, Azure, or Google Cloud. That distinction is worth checking against any legal tech vendor that only claims an "EU region" running on US-owned infrastructure.