Noxtua

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

Luminance

AI contract intelligence platform

Noxtua

Excellent

25/25

Luminance

Excellent

23/25

Score Breakdown

DimensionNoxtuaLuminance

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.

Luminance: UK/EU hosting with customer choice; on-premise available

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.

5/5

UK/EU hosting with customer choice; on-premise available

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).

Luminance: UK-incorporated company under English law

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

UK-incorporated company under English law

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.

Luminance: Zero data used for training; complete client data isolation

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

Zero data used for training; complete client data isolation

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.

Luminance: SOC 2 Type II, ISO 27001, Cyber Essentials Plus

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.

4/5

SOC 2 Type II, ISO 27001, Cyber Essentials Plus

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.

Luminance: SRA and FCA suitable; used by regulated law firms and financial institutions

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

SRA and FCA suitable; used by regulated law firms and financial institutions

Total Score

25/25

23/25

Best For

Noxtua

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, Cyber Essentials Plus); regulated industries (SRA, FCA); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

Luminance

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

Luminance vs Noxtua: Trust & Compliance Comparison

Luminance (Luminance Technologies Ltd, GB) scores 23/25 overall with a Gold (Excellent) trust badge. AI contract intelligence platform. 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

Both score equally at 5/5.

●Luminance (5/5): UK/EU hosting with customer choice; on-premise available

●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.

●Luminance (5/5): UK-incorporated company under English law

●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.

●Luminance (5/5): Zero data used for training; complete client data isolation

●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 4/5.

●Luminance (4/5): SOC 2 Type II, ISO 27001, Cyber Essentials Plus

●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.

●Luminance (4/5): SRA and FCA suitable; used by regulated law firms and financial institutions

●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	Luminance	Noxtua
BSI C5	No	Yes
Cyber Essentials Plus	Yes	No
ISO 27001	Yes	Yes
ISO 27017	No	Yes
ISO 27018	No	Yes
ISO 42001	No	Yes
ISO 9001	No	Yes
SOC 2 Type II	Yes	No
TISAX	No	Yes

Overall Verdict

Noxtua has a clear trust advantage, scoring 25/25 compared to Luminance's 23/25. Noxtua particularly excels in certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Noxtua or Luminance?

Noxtua has a TrustKit score of 25/25 while Luminance scores 23/25. Noxtua currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Noxtua and Luminance 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 Luminance scores 5/5 (UK/EU hosting with customer choice; on-premise available).

Are Noxtua and Luminance GDPR compliant?

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

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