Microsoft Copilot

AI assistant embedded across Microsoft 365 apps

Nabla Copilot

AI medical scribe that turns patient conversations into clinical notes

Microsoft Copilot

Strong

20/25

Nabla Copilot

Excellent

22/25

Score Breakdown

DimensionMicrosoft CopilotNabla Copilot

Data Residency

Where is your data stored and processed?

Microsoft Copilot: Microsoft offers data residency across multiple global regions including US, EU, UK, and Asia Pacific. Customers can select their data location and data stays within the Microsoft 365 compliance boundary.

Nabla Copilot: Choice of US (AWS us-east-1) or EU (AWS eu-west-1) data hosting. French HDS certification for health data in the EU. Strong dual-region residency for healthcare organisations on both sides of the Atlantic.

4/5

Microsoft offers data residency across multiple global regions including US, EU, UK, and Asia Pacific. Customers can select their data location and data stays within the Microsoft 365 compliance boundary.

4/5

Choice of US (AWS us-east-1) or EU (AWS eu-west-1) data hosting. French HDS certification for health data in the EU. Strong dual-region residency for healthcare organisations on both sides of the Atlantic.

Legal Jurisdiction

Which laws govern the company and your data?

Microsoft Copilot: Incorporated in Washington State, US. Subject to US laws including the CLOUD Act. Microsoft has challenged government data requests and offers EU Data Boundary commitments.

Nabla Copilot: Incorporated in France under French and EU law, benefiting from GDPR-native jurisdiction and the French Health Data Hosting (HDS) regulatory framework. US operations covered by HIPAA BAA.

3/5

Incorporated in Washington State, US. Subject to US laws including the CLOUD Act. Microsoft has challenged government data requests and offers EU Data Boundary commitments.

4/5

Incorporated in France under French and EU law, benefiting from GDPR-native jurisdiction and the French Health Data Hosting (HDS) regulatory framework. US operations covered by HIPAA BAA.

Data Retention & Training

Is your data used for model training?

Microsoft Copilot: Copilot interactions inherit Microsoft 365 retention policies. Administrators have granular control over data retention, deletion, and eDiscovery. Copilot prompts and responses are stored in Exchange Online.

Nabla Copilot: Patient audio processed transiently and not stored by default. No use of patient data for model training. Configurable note retention aligned with EHR data governance policies.

4/5

Copilot interactions inherit Microsoft 365 retention policies. Administrators have granular control over data retention, deletion, and eDiscovery. Copilot prompts and responses are stored in Exchange Online.

5/5

Patient audio processed transiently and not stored by default. No use of patient data for model training. Configurable note retention aligned with EHR data governance policies.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Microsoft Copilot: One of the most extensively certified cloud platforms globally, holding SOC 1/2 Type II, ISO 27001, ISO 27018, ISO 27701, FedRAMP High, and dozens of additional certifications across regions and industries.

Nabla Copilot: SOC 2 Type II certified; HIPAA BAA available; HDS certified in France. ISO 27001 in progress. Strong healthcare-specific compliance posture for a company of its size.

5/5

One of the most extensively certified cloud platforms globally, holding SOC 1/2 Type II, ISO 27001, ISO 27018, ISO 27701, FedRAMP High, and dozens of additional certifications across regions and industries.

4/5

SOC 2 Type II certified; HIPAA BAA available; HDS certified in France. ISO 27001 in progress. Strong healthcare-specific compliance posture for a company of its size.

Regulatory Fit

Suitability for regulated industries and professional services

Microsoft Copilot: Supports a vast range of regulatory frameworks including GDPR, HIPAA, FedRAMP, FERPA, and many industry-specific requirements. Government cloud offerings available for public sector customers.

Nabla Copilot: Exceptional fit for healthcare providers. HIPAA BAA, HDS certification, GDPR-native jurisdiction, and no patient data training make it one of the most compliant AI scribing tools available.

4/5

Supports a vast range of regulatory frameworks including GDPR, HIPAA, FedRAMP, FERPA, and many industry-specific requirements. Government cloud offerings available for public sector customers.

5/5

Exceptional fit for healthcare providers. HIPAA BAA, HDS certification, GDPR-native jurisdiction, and no patient data training make it one of the most compliant AI scribing tools available.

Total Score

20/25

22/25

Best For

Microsoft Copilot

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

Nabla Copilot

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (SOC 2 Type II, HIPAA BAA, HDS); regulated industries (HHS OCR, CNIL); privacy-conscious teams who need strong data retention controls.

Detailed Comparison

Microsoft Copilot vs Nabla Copilot: Trust & Compliance Comparison

Microsoft Copilot (Microsoft, US) scores 20/25 overall with a Silver (Strong) trust badge. AI assistant embedded across Microsoft 365 apps. Nabla Copilot (Nabla, FR) scores 22/25 with a Gold (Excellent) trust badge. AI medical scribe that turns patient conversations into clinical notes.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 4/5.

●Microsoft Copilot (4/5): Microsoft offers data residency across multiple global regions including US, EU, UK, and Asia Pacific. Customers can select their data location and data stays within the Microsoft 365 compliance boundary.

●Nabla Copilot (4/5): Choice of US (AWS us-east-1) or EU (AWS eu-west-1) data hosting. French HDS certification for health data in the EU. Strong dual-region residency for healthcare organisations on both sides of the Atlantic.

#### Legal Jurisdiction

Nabla Copilot leads with 4/5 vs 3/5.

●Microsoft Copilot (3/5): Incorporated in Washington State, US. Subject to US laws including the CLOUD Act. Microsoft has challenged government data requests and offers EU Data Boundary commitments.

●Nabla Copilot (4/5): Incorporated in France under French and EU law, benefiting from GDPR-native jurisdiction and the French Health Data Hosting (HDS) regulatory framework. US operations covered by HIPAA BAA.

#### Data Retention & Training

Nabla Copilot leads with 5/5 vs 4/5.

●Microsoft Copilot (4/5): Copilot interactions inherit Microsoft 365 retention policies. Administrators have granular control over data retention, deletion, and eDiscovery. Copilot prompts and responses are stored in Exchange Online.

●Nabla Copilot (5/5): Patient audio processed transiently and not stored by default. No use of patient data for model training. Configurable note retention aligned with EHR data governance policies.

#### Certifications

Microsoft Copilot leads with 5/5 vs 4/5.

●Microsoft Copilot (5/5): One of the most extensively certified cloud platforms globally, holding SOC 1/2 Type II, ISO 27001, ISO 27018, ISO 27701, FedRAMP High, and dozens of additional certifications across regions and industries.

●Nabla Copilot (4/5): SOC 2 Type II certified; HIPAA BAA available; HDS certified in France. ISO 27001 in progress. Strong healthcare-specific compliance posture for a company of its size.

#### Regulatory Fit

Nabla Copilot leads with 5/5 vs 4/5.

●Microsoft Copilot (4/5): Supports a vast range of regulatory frameworks including GDPR, HIPAA, FedRAMP, FERPA, and many industry-specific requirements. Government cloud offerings available for public sector customers.

●Nabla Copilot (5/5): Exceptional fit for healthcare providers. HIPAA BAA, HDS certification, GDPR-native jurisdiction, and no patient data training make it one of the most compliant AI scribing tools available.

Certifications at a Glance

Certification	Microsoft Copilot	Nabla Copilot
FedRAMP High	Yes	No
HDS	No	Yes
HIPAA BAA	No	Yes
ISO 27001	Yes	No
ISO 27018	Yes	No
ISO 27701	Yes	No
SOC 1 Type II	Yes	No
SOC 2 Type II	Yes	Yes

Overall Verdict

Nabla Copilot has a clear trust advantage, scoring 22/25 compared to Microsoft Copilot's 20/25. Nabla Copilot particularly excels in legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Microsoft Copilot or Nabla Copilot?

Microsoft Copilot has a TrustKit score of 20/25 while Nabla Copilot scores 22/25. Nabla Copilot currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Microsoft Copilot and Nabla Copilot compare on data residency?

Microsoft Copilot scores 4/5 for data residency (Microsoft offers data residency across multiple global regions including US, EU, UK, and Asia Pacific. Customers can select their data location and data stays within the Microsoft 365 compliance boundary.), while Nabla Copilot scores 4/5 (Choice of US (AWS us-east-1) or EU (AWS eu-west-1) data hosting. French HDS certification for health data in the EU. Strong dual-region residency for healthcare organisations on both sides of the Atlantic.).

Are Microsoft Copilot and Nabla Copilot GDPR compliant?

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

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