Noxtua

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

Workday AI

Enterprise HR and finance AI platform embedded in Workday's ERP suite

Noxtua

Excellent

25/25

Workday AI

Strong

21/25

Score Breakdown

DimensionNoxtuaWorkday AI

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.

Workday AI: Data residency in US, EU, CA, AU; processing confined to selected region; tenant isolation enforced

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

Data residency in US, EU, CA, AU; processing confined to selected region; tenant isolation enforced

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).

Workday AI: US Delaware public company subject to CLOUD Act; SCCs and DPAs available for EU/UK transfers

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).

2/5

US Delaware public company subject to CLOUD Act; SCCs and DPAs available for EU/UK transfers

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.

Workday AI: Customer data not used for AI model training; aggregate anonymised signals only; configurable data retention

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

Customer data not used for AI model training; aggregate anonymised signals only; configurable data retention

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.

Workday AI: SOC 1/2 Type II, ISO 27001/17/18, FedRAMP Authorized, and HIPAA — among the strongest certification portfolios available

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

SOC 1/2 Type II, ISO 27001/17/18, FedRAMP Authorized, and HIPAA — among the strongest certification portfolios available

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.

Workday AI: Designed for regulated enterprise HR and finance; built-in SOX, DORA, and GDPR compliance modules

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

Designed for regulated enterprise HR and finance; built-in SOX, DORA, and GDPR compliance modules

Total Score

25/25

21/25

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.

Workday AI

Best for organisations requiring broad certification coverage (SOC 1 Type II, SOC 2 Type II, ISO 27001); regulated industries (ICO, HHS); privacy-conscious teams who need strong data retention controls.

Detailed Comparison

Noxtua vs Workday AI: 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. Workday AI (Workday, US) scores 21/25 with a Silver (Strong) trust badge. Enterprise HR and finance AI platform embedded in Workday's ERP suite.

Dimension-by-Dimension Breakdown

#### Data Residency

Noxtua leads with 5/5 vs 4/5.

●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.

●Workday AI (4/5): Data residency in US, EU, CA, AU; processing confined to selected region; tenant isolation enforced

#### Legal Jurisdiction

Noxtua leads with 5/5 vs 2/5.

●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).

●Workday AI (2/5): US Delaware public company subject to CLOUD Act; SCCs and DPAs available for EU/UK transfers

#### 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.

●Workday AI (5/5): Customer data not used for AI model training; aggregate anonymised signals only; configurable data retention

#### 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.

●Workday AI (5/5): SOC 1/2 Type II, ISO 27001/17/18, FedRAMP Authorized, and HIPAA — among the strongest certification portfolios available

#### 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.

●Workday AI (5/5): Designed for regulated enterprise HR and finance; built-in SOX, DORA, and GDPR compliance modules

Certifications at a Glance

Certification	Noxtua	Workday AI
BSI C5	Yes	No
FedRAMP Authorized	No	Yes
HIPAA	No	Yes
ISO 27001	Yes	Yes
ISO 27017	Yes	Yes
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 has a clear trust advantage, scoring 25/25 compared to Workday AI's 21/25. Noxtua particularly excels in data residency, legal jurisdiction.

Frequently Asked Questions

Which is better for EU compliance, Noxtua or Workday AI?

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

How do Noxtua and Workday AI 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 Workday AI scores 4/5 (Data residency in US, EU, CA, AU; processing confined to selected region; tenant isolation enforced).

Are Noxtua and Workday AI GDPR compliant?

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

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