Noxtua

Europe's sovereign legal AI with its own European-trained legal LLM

Lexroom

Civil-law legal research, drafting and analysis on 6M+ verified sources

Noxtua

Excellent

25/25

Lexroom

Strong

21/25

Score Breakdown

DimensionNoxtuaLexroom

Data Residency

Where is your data stored and processed?

Noxtua: Processing occurs exclusively on European infrastructure (Open Telekom Cloud by Deutsche Telekom and IONOS) with no connection to US cloud providers, plus an on-premise deployment option. Best-in-class EU data residency.

Lexroom: An Italian company compliant with GDPR and ISO 27001, strongly implying EU-based processing; however, the specific data-centre location and EU-region guarantees are not explicitly published, so a conservative score is applied pending confirmation.

5/5

Processing occurs exclusively on European infrastructure (Open Telekom Cloud by Deutsche Telekom and IONOS) with no connection to US cloud providers, plus an on-premise deployment option. Best-in-class EU data residency.

4/5

An Italian company compliant with GDPR and ISO 27001, strongly implying EU-based processing; however, the specific data-centre location and EU-region guarantees are not explicitly published, so a conservative score is applied pending confirmation.

Legal Jurisdiction

Which laws govern the company and your data?

Noxtua: Incorporated in Germany as Noxtua SE (formerly Xayn AG), an EU/EEA entity with no US parent. Designed to meet German professional-secrecy law (§ 43e BRAO, § 203 StGB).

Lexroom: Incorporated in Italy as Lexroom S.r.l., an EU/EEA entity with no US parent. Fully within EU jurisdiction.

5/5

Incorporated in Germany as Noxtua SE (formerly Xayn AG), an EU/EEA entity with no US parent. Designed to meet German professional-secrecy law (§ 43e BRAO, § 203 StGB).

5/5

Incorporated in Italy as Lexroom S.r.l., an EU/EEA entity with no US parent. Fully within EU jurisdiction.

Data Retention & Training

Is your data used for model training?

Noxtua: Explicitly states customer data is never used to train, retrain or improve AI models, with sovereign/on-premise deployment and enterprise DPA-level controls. Specific configurable retention windows are not publicly detailed but the no-training and isolation posture is strong.

Lexroom: Explicit zero-training policy on user data combined with a zero-retention posture — uploaded documents are encrypted and not stored beyond what is needed to deliver the service. Strong retention controls; enterprise DPA terms assumed but not individually verified.

5/5

Explicitly states customer data is never used to train, retrain or improve AI models, with sovereign/on-premise deployment and enterprise DPA-level controls. Specific configurable retention windows are not publicly detailed but the no-training and isolation posture is strong.

5/5

Explicit zero-training policy on user data combined with a zero-retention posture — uploaded documents are encrypted and not stored beyond what is needed to deliver the service. Strong retention controls; enterprise DPA terms assumed but not individually verified.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Noxtua: Extensive published certification stack: ISO 42001 (first German company), ISO 27001, 27017, 27018, 9001, plus BSI C5 and TISAX. No SOC 2 (US-oriented), but European sector and AI-specific certifications exceed the baseline.

Lexroom: Holds ISO 27001 certification and asserts GDPR and EU AI Act compliance. No SOC 2 Type II or sector-specific certifications published, placing it at the single-major-certification tier.

5/5

Extensive published certification stack: ISO 42001 (first German company), ISO 27001, 27017, 27018, 9001, plus BSI C5 and TISAX. No SOC 2 (US-oriented), but European sector and AI-specific certifications exceed the baseline.

3/5

Holds ISO 27001 certification and asserts GDPR and EU AI Act compliance. No SOC 2 Type II or sector-specific certifications published, placing it at the single-major-certification tier.

Regulatory Fit

Suitability for regulated industries and professional services

Noxtua: Purpose-built for regulated EU legal work, explicitly meeting attorney confidentiality and professional-secrecy requirements, with backing from major law firms and legal publishers. Suitable for the most demanding EU regulated legal and public-sector use.

Lexroom: Purpose-built for civil-law legal professionals and used by 8,000+ firms including major names, with GDPR and EU AI Act alignment. Suitable for most EU regulated legal use, though it lacks the explicit professional-secrecy attestations and sovereign-hosting guarantees of the strongest peers.

5/5

Purpose-built for regulated EU legal work, explicitly meeting attorney confidentiality and professional-secrecy requirements, with backing from major law firms and legal publishers. Suitable for the most demanding EU regulated legal and public-sector use.

4/5

Purpose-built for civil-law legal professionals and used by 8,000+ firms including major names, with GDPR and EU AI Act alignment. Suitable for most EU regulated legal use, though it lacks the explicit professional-secrecy attestations and sovereign-hosting guarantees of the strongest peers.

Total Score

25/25

21/25

Best For

Noxtua

Best for EU-headquartered organisations needing maximum data sovereignty; regulated industries (Garante, CNIL); privacy-conscious teams who need strong data retention controls.

Lexroom

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (ISO 42001, ISO 27001, ISO 27017); regulated industries (BfDI, BaFin); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

Detailed Comparison

Lexroom vs Noxtua: Trust & Compliance Comparison

Lexroom (Lexroom, IT) scores 21/25 overall with a Silver (Strong) trust badge. Civil-law legal research, drafting and analysis on 6M+ verified sources. Noxtua (Noxtua, DE) scores 25/25 with a Gold (Excellent) trust badge. Europe's sovereign legal AI with its own European-trained legal LLM.

Dimension-by-Dimension Breakdown

#### Data Residency

Noxtua leads with 5/5 vs 4/5.

●Lexroom (4/5): An Italian company compliant with GDPR and ISO 27001, strongly implying EU-based processing; however, the specific data-centre location and EU-region guarantees are not explicitly published, so a conservative score is applied pending confirmation.

●Noxtua (5/5): Processing occurs exclusively on European infrastructure (Open Telekom Cloud by Deutsche Telekom and IONOS) with no connection to US cloud providers, plus an on-premise deployment option. Best-in-class EU data residency.

#### Legal Jurisdiction

Both score equally at 5/5.

●Lexroom (5/5): Incorporated in Italy as Lexroom S.r.l., an EU/EEA entity with no US parent. Fully within EU jurisdiction.

●Noxtua (5/5): Incorporated in Germany as Noxtua SE (formerly Xayn AG), an EU/EEA entity with no US parent. Designed to meet German professional-secrecy law (§ 43e BRAO, § 203 StGB).

#### Data Retention & Training

Both score equally at 5/5.

●Lexroom (5/5): Explicit zero-training policy on user data combined with a zero-retention posture — uploaded documents are encrypted and not stored beyond what is needed to deliver the service. Strong retention controls; enterprise DPA terms assumed but not individually verified.

●Noxtua (5/5): Explicitly states customer data is never used to train, retrain or improve AI models, with sovereign/on-premise deployment and enterprise DPA-level controls. Specific configurable retention windows are not publicly detailed but the no-training and isolation posture is strong.

#### Certifications

Noxtua leads with 5/5 vs 3/5.

●Lexroom (3/5): Holds ISO 27001 certification and asserts GDPR and EU AI Act compliance. No SOC 2 Type II or sector-specific certifications published, placing it at the single-major-certification tier.

●Noxtua (5/5): Extensive published certification stack: ISO 42001 (first German company), ISO 27001, 27017, 27018, 9001, plus BSI C5 and TISAX. No SOC 2 (US-oriented), but European sector and AI-specific certifications exceed the baseline.

#### Regulatory Fit

Noxtua leads with 5/5 vs 4/5.

●Lexroom (4/5): Purpose-built for civil-law legal professionals and used by 8,000+ firms including major names, with GDPR and EU AI Act alignment. Suitable for most EU regulated legal use, though it lacks the explicit professional-secrecy attestations and sovereign-hosting guarantees of the strongest peers.

●Noxtua (5/5): Purpose-built for regulated EU legal work, explicitly meeting attorney confidentiality and professional-secrecy requirements, with backing from major law firms and legal publishers. Suitable for the most demanding EU regulated legal and public-sector use.

Certifications at a Glance

Certification	Lexroom	Noxtua
BSI C5	No	Yes
ISO 27001	Yes	Yes
ISO 27017	No	Yes
ISO 27018	No	Yes
ISO 42001	No	Yes
ISO 9001	No	Yes
TISAX	No	Yes

Overall Verdict

Noxtua has a clear trust advantage, scoring 25/25 compared to Lexroom's 21/25. Noxtua particularly excels in data residency, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Noxtua or Lexroom?

Noxtua has a TrustKit score of 25/25 while Lexroom scores 21/25. Noxtua currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Noxtua and Lexroom compare on data residency?

Noxtua scores 5/5 for data residency (Processing occurs exclusively on European infrastructure (Open Telekom Cloud by Deutsche Telekom and IONOS) with no connection to US cloud providers, plus an on-premise deployment option. Best-in-class EU data residency.), while Lexroom scores 4/5 (An Italian company compliant with GDPR and ISO 27001, strongly implying EU-based processing; however, the specific data-centre location and EU-region guarantees are not explicitly published, so a conservative score is applied pending confirmation.).

Are Noxtua and Lexroom GDPR compliant?

Both tools are assessed across five compliance dimensions. Noxtua has a regulatory fit score of 5/5 and Lexroom scores 4/5. Check the full comparison above for a detailed breakdown.

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