Noxtua

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

Power BI Copilot

AI-powered business analytics by Microsoft

Noxtua

Excellent

25/25

Power BI Copilot

Excellent

25/25

Score Breakdown

DimensionNoxtuaPower BI Copilot

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.

Power BI Copilot: Azure data centers available in 60+ regions globally. Full data residency control with geographic boundaries enforced at the tenant level.

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

Azure data centers available in 60+ regions globally. Full data residency control with geographic boundaries enforced at the tenant level.

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).

Power BI Copilot: Microsoft Corporation, publicly traded US company with industry-leading contractual commitments and government compliance certifications.

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

Microsoft Corporation, publicly traded US company with industry-leading contractual commitments and government compliance certifications.

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.

Power BI Copilot: Comprehensive data retention controls with Microsoft Purview integration. Copilot interactions not stored for model training.

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

Comprehensive data retention controls with Microsoft Purview integration. Copilot interactions not stored for model training.

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.

Power BI Copilot: One of the most certified platforms in the industry with 90+ compliance offerings including SOC, ISO, FedRAMP High, and CJIS.

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.

5/5

One of the most certified platforms in the industry with 90+ compliance offerings including SOC, ISO, FedRAMP High, and CJIS.

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.

Power BI Copilot: Meets requirements for virtually all regulatory frameworks including FedRAMP High, HIPAA, CJIS, ITAR, and financial services regulations.

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.

5/5

Meets requirements for virtually all regulatory frameworks including FedRAMP High, HIPAA, CJIS, ITAR, and financial services regulations.

Total Score

25/25

Best For

Noxtua

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.

Power BI Copilot

Best for organisations requiring broad certification coverage (SOC 2 Type II, SOC 1 Type II, ISO 27001); regulated industries (FINRA, FDA); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

Detailed Comparison

Noxtua vs Power BI Copilot: Trust & Compliance Comparison

Noxtua (Noxtua, DE) scores 25/25 overall with a Gold (Excellent) trust badge. Europe's sovereign legal AI with its own European-trained legal LLM. Power BI Copilot (Microsoft, US) scores 25/25 with a Gold (Excellent) trust badge. AI-powered business analytics by Microsoft.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 5/5.

●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.

●Power BI Copilot (5/5): Azure data centers available in 60+ regions globally. Full data residency control with geographic boundaries enforced at the tenant level.

#### Legal Jurisdiction

Both score equally at 5/5.

●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).

●Power BI Copilot (5/5): Microsoft Corporation, publicly traded US company with industry-leading contractual commitments and government compliance certifications.

#### Data Retention & Training

Both score equally at 5/5.

●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.

●Power BI Copilot (5/5): Comprehensive data retention controls with Microsoft Purview integration. Copilot interactions not stored for model training.

#### Certifications

Both score equally at 5/5.

●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.

●Power BI Copilot (5/5): One of the most certified platforms in the industry with 90+ compliance offerings including SOC, ISO, FedRAMP High, and CJIS.

#### Regulatory Fit

Both score equally at 5/5.

●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.

●Power BI Copilot (5/5): Meets requirements for virtually all regulatory frameworks including FedRAMP High, HIPAA, CJIS, ITAR, and financial services regulations.

Certifications at a Glance

Certification	Noxtua	Power BI Copilot
BSI C5	Yes	No
FedRAMP High	No	Yes
ISO 27001	Yes	Yes
ISO 27017	Yes	No
ISO 27018	Yes	Yes
ISO 42001	Yes	No
ISO 9001	Yes	No
SOC 1 Type II	No	Yes
SOC 2 Type II	No	Yes
TISAX	Yes	No

Overall Verdict

Noxtua and Power BI Copilot are closely matched on trust and compliance, with scores of 25/25 and 25/25 respectively. The right choice depends on your specific regulatory requirements and existing technology stack.

Frequently Asked Questions

Which is better for EU compliance, Noxtua or Power BI Copilot?

Noxtua has a TrustKit score of 25/25 while Power BI Copilot scores 25/25. Both tools are currently rated equally across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Noxtua and Power BI Copilot 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 Power BI Copilot scores 5/5 (Azure data centers available in 60+ regions globally. Full data residency control with geographic boundaries enforced at the tenant level.).

Are Noxtua and Power BI Copilot GDPR compliant?

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

Explore Each Tool