Notion AI

AI-powered workspace for notes, wikis, projects, and content generation

Luminance

AI contract intelligence platform

Notion AI

Strong

20/25

Luminance

Excellent

23/25

Score Breakdown

DimensionNotion AILuminance

Data Residency

Where is your data stored and processed?

Notion AI: EU data residency available for Enterprise customers; US hosting for lower tiers

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

4/5

EU data residency available for Enterprise customers; US hosting for lower tiers

5/5

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

Legal Jurisdiction

Which laws govern the company and your data?

Notion AI: US Delaware corporation; EU residency option reduces CLOUD Act exposure for Enterprise

Luminance: UK-incorporated company under English law

3/5

US Delaware corporation; EU residency option reduces CLOUD Act exposure for Enterprise

5/5

UK-incorporated company under English law

Data Retention & Training

Is your data used for model training?

Notion AI: Customer data not used to train AI models; data retained per workspace settings

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

4/5

Customer data not used to train AI models; data retained per workspace settings

5/5

Zero data used for training; complete client data isolation

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Notion AI: SOC 2 Type II, ISO 27001/17/18/701 all certified; AI included in scope

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

5/5

SOC 2 Type II, ISO 27001/17/18/701 all certified; AI included in scope

4/5

SOC 2 Type II, ISO 27001, Cyber Essentials Plus

Regulatory Fit

Suitability for regulated industries and professional services

Notion AI: Strong fit for EU organisations on Enterprise plan with data residency; good overall compliance posture

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

4/5

Strong fit for EU organisations on Enterprise plan with data residency; good overall compliance posture

4/5

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

Total Score

20/25

23/25

Best For

Notion AI

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 organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, ISO 27017); regulated industries (ICO); privacy-conscious teams who need strong data retention controls; teams on a tight budget.

Detailed Comparison

Luminance vs Notion AI: Trust & Compliance Comparison

Luminance (Luminance Technologies Ltd, GB) scores 23/25 overall with a Gold (Excellent) trust badge. AI contract intelligence platform. Notion AI (Notion Labs, Inc., US) scores 20/25 with a Silver (Strong) trust badge. AI-powered workspace for notes, wikis, projects, and content generation.

Dimension-by-Dimension Breakdown

#### Data Residency

Luminance leads with 5/5 vs 4/5.

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

●Notion AI (4/5): EU data residency available for Enterprise customers; US hosting for lower tiers

#### Legal Jurisdiction

Luminance leads with 5/5 vs 3/5.

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

●Notion AI (3/5): US Delaware corporation; EU residency option reduces CLOUD Act exposure for Enterprise

#### Data Retention & Training

Luminance leads with 5/5 vs 4/5.

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

●Notion AI (4/5): Customer data not used to train AI models; data retained per workspace settings

#### Certifications

Notion AI leads with 5/5 vs 4/5.

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

●Notion AI (5/5): SOC 2 Type II, ISO 27001/17/18/701 all certified; AI included in scope

#### Regulatory Fit

Both score equally at 4/5.

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

●Notion AI (4/5): Strong fit for EU organisations on Enterprise plan with data residency; good overall compliance posture

Certifications at a Glance

Certification	Luminance	Notion AI
Cyber Essentials Plus	Yes	No
ISO 27001	Yes	Yes
ISO 27017	No	Yes
ISO 27018	No	Yes
ISO 27701	No	Yes
SOC 2 Type II	Yes	Yes

Overall Verdict

Luminance has a clear trust advantage, scoring 23/25 compared to Notion AI's 20/25. Luminance particularly excels in data residency, legal jurisdiction, data retention & training.

Frequently Asked Questions

Which is better for EU compliance, Notion AI or Luminance?

Notion AI has a TrustKit score of 20/25 while Luminance scores 23/25. Luminance currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Notion AI and Luminance compare on data residency?

Notion AI scores 4/5 for data residency (EU data residency available for Enterprise customers; US hosting for lower tiers), while Luminance scores 5/5 (UK/EU hosting with customer choice; on-premise available).

Are Notion AI and Luminance GDPR compliant?

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

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