Scale AI

AI data labeling and enterprise AI platform for building production-grade AI systems

Noxtua

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

Scale AI

Strong

20/25

Noxtua

Excellent

25/25

Score Breakdown

DimensionScale AINoxtua

Data Residency

Where is your data stored and processed?

Scale AI: US-based cloud hosting with on-premise deployment available; FedRAMP cloud for government; data isolated per project

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.

4/5

US-based cloud hosting with on-premise deployment available; FedRAMP cloud for government; data isolated per project

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

Which laws govern the company and your data?

Scale AI: US Delaware corporation subject to CLOUD Act; standard SCCs available for international data transfers

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).

2/5

US Delaware corporation subject to CLOUD Act; standard SCCs available for international data 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).

Data Retention & Training

Is your data used for model training?

Scale AI: Customer data used only for contracted tasks with strict annotator access controls; cryptographic audit trails; no cross-customer data sharing

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.

5/5

Customer data used only for contracted tasks with strict annotator access controls; cryptographic audit trails; no cross-customer data sharing

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

ISO 27001, SOC 2, Cyber Essentials, etc.

Scale AI: SOC 2 Type II, ISO 27001, FedRAMP Moderate and FedRAMP High — among the highest compliance credentials in the AI sector

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.

5/5

SOC 2 Type II, ISO 27001, FedRAMP Moderate and FedRAMP High — among the highest compliance credentials in the AI sector

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

Suitability for regulated industries and professional services

Scale AI: Government-grade security posture suitable for defence, intelligence, financial services, and healthcare AI development workloads

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.

4/5

Government-grade security posture suitable for defence, intelligence, financial services, and healthcare AI development workloads

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.

Total Score

20/25

25/25

Best For

Scale AI

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.

Noxtua

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

Detailed Comparison

Noxtua vs Scale 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. Scale AI (Scale AI, US) scores 20/25 with a Silver (Strong) trust badge. AI data labeling and enterprise AI platform for building production-grade AI systems.

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.

●Scale AI (4/5): US-based cloud hosting with on-premise deployment available; FedRAMP cloud for government; data isolated per project

#### 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).

●Scale AI (2/5): US Delaware corporation subject to CLOUD Act; standard SCCs available for international data 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.

●Scale AI (5/5): Customer data used only for contracted tasks with strict annotator access controls; cryptographic audit trails; no cross-customer data sharing

#### 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.

●Scale AI (5/5): SOC 2 Type II, ISO 27001, FedRAMP Moderate and FedRAMP High — among the highest compliance credentials in the AI sector

#### Regulatory Fit

Noxtua leads with 5/5 vs 4/5.

●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.

●Scale AI (4/5): Government-grade security posture suitable for defence, intelligence, financial services, and healthcare AI development workloads

Certifications at a Glance

Certification	Noxtua	Scale AI
BSI C5	Yes	No
FedRAMP High	No	Yes
FedRAMP Moderate	No	Yes
ISO 27001	Yes	Yes
ISO 27017	Yes	No
ISO 27018	Yes	No
ISO 42001	Yes	No
ISO 9001	Yes	No
SOC 2 Type II	No	Yes
TISAX	Yes	No

Overall Verdict

Noxtua has a clear trust advantage, scoring 25/25 compared to Scale AI's 20/25. Noxtua particularly excels in data residency, legal jurisdiction, regulatory fit.

Frequently Asked Questions

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

Scale AI has a TrustKit score of 20/25 while Noxtua scores 25/25. Noxtua currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Scale AI and Noxtua compare on data residency?

Scale AI scores 4/5 for data residency (US-based cloud hosting with on-premise deployment available; FedRAMP cloud for government; data isolated per project), while Noxtua scores 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.).

Are Scale AI and Noxtua GDPR compliant?

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

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