Contractbook

Danish AI-powered contract lifecycle management for European businesses

Lexis+ AI

Hallucination-free AI legal research with authoritative LexisNexis sources

Contractbook

Excellent

22/25

Lexis+ AI

Strong

21/25

Score Breakdown

DimensionContractbookLexis+ AI

Data Residency

Where is your data stored and processed?

Contractbook: EU data residency on AWS EU regions; Danish company with EU-compliant data processing

Lexis+ AI: Data hosted across US, EU, and UK data centres. Strong data residency options for law firms in major common law and civil law jurisdictions. UK GDPR compliance post-Brexit.

4/5

EU data residency on AWS EU regions; Danish company with EU-compliant data processing

4/5

Data hosted across US, EU, and UK data centres. Strong data residency options for law firms in major common law and civil law jurisdictions. UK GDPR compliance post-Brexit.

Legal Jurisdiction

Which laws govern the company and your data?

Contractbook: Danish ApS, EU-incorporated, subject to Danish and EU law, no US parent

Lexis+ AI: Parent company RELX PLC is UK/EU incorporated and regulated. LexisNexis US entity is incorporated in Delaware but operates under RELX's broader European governance framework, providing strong data protection oversight.

5/5

Danish ApS, EU-incorporated, subject to Danish and EU law, no US parent

4/5

Parent company RELX PLC is UK/EU incorporated and regulated. LexisNexis US entity is incorporated in Delaware but operates under RELX's broader European governance framework, providing strong data protection oversight.

Data Retention & Training

Is your data used for model training?

Contractbook: No training on contract data; full GDPR Article 28 DPA available; customer-controlled retention

Lexis+ AI: Clear data retention policies aligned with legal professional requirements. Research queries and documents are not retained for AI training. Supports data processing agreements for enterprise law firms.

5/5

No training on contract data; full GDPR Article 28 DPA available; customer-controlled retention

4/5

Clear data retention policies aligned with legal professional requirements. Research queries and documents are not retained for AI training. Supports data processing agreements for enterprise law firms.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Contractbook: SOC 2 Type II certified; ISO 27001 not yet confirmed; GDPR-native architecture

Lexis+ AI: Holds SOC 2 Type II, ISO 27001, and ISO 27701 certifications. Strong certification portfolio appropriate for a platform handling confidential legal information.

3/5

SOC 2 Type II certified; ISO 27001 not yet confirmed; GDPR-native architecture

4/5

Holds SOC 2 Type II, ISO 27001, and ISO 27701 certifications. Strong certification portfolio appropriate for a platform handling confidential legal information.

Regulatory Fit

Suitability for regulated industries and professional services

Contractbook: Excellent fit for EU legal, procurement, and regulated industries; eIDAS-compliant e-signatures

Lexis+ AI: Excellent regulatory fit for law firms and legal departments. Compliance with bar association professional responsibility rules, GDPR, UK GDPR, and CCPA. Trusted by government agencies and Am Law 100 firms.

5/5

Excellent fit for EU legal, procurement, and regulated industries; eIDAS-compliant e-signatures

5/5

Excellent regulatory fit for law firms and legal departments. Compliance with bar association professional responsibility rules, GDPR, UK GDPR, and CCPA. Trusted by government agencies and Am Law 100 firms.

Total Score

22/25

21/25

Best For

Contractbook

Best for EU-headquartered organisations needing maximum data sovereignty; regulated industries (Datatilsynet, CNIL); privacy-conscious teams who need strong data retention controls.

Lexis+ AI

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, ISO 27701); regulated industries (FCA, SRA); privacy-conscious teams who need strong data retention controls.

Detailed Comparison

Contractbook vs Lexis+ AI: Trust & Compliance Comparison

Contractbook (Contractbook, DK) scores 22/25 overall with a Gold (Excellent) trust badge. Danish AI-powered contract lifecycle management for European businesses. Lexis+ AI (LexisNexis, GB) scores 21/25 with a Silver (Strong) trust badge. Hallucination-free AI legal research with authoritative LexisNexis sources.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 4/5.

●Contractbook (4/5): EU data residency on AWS EU regions; Danish company with EU-compliant data processing

●Lexis+ AI (4/5): Data hosted across US, EU, and UK data centres. Strong data residency options for law firms in major common law and civil law jurisdictions. UK GDPR compliance post-Brexit.

#### Legal Jurisdiction

Contractbook leads with 5/5 vs 4/5.

●Contractbook (5/5): Danish ApS, EU-incorporated, subject to Danish and EU law, no US parent

●Lexis+ AI (4/5): Parent company RELX PLC is UK/EU incorporated and regulated. LexisNexis US entity is incorporated in Delaware but operates under RELX's broader European governance framework, providing strong data protection oversight.

#### Data Retention & Training

Contractbook leads with 5/5 vs 4/5.

●Contractbook (5/5): No training on contract data; full GDPR Article 28 DPA available; customer-controlled retention

●Lexis+ AI (4/5): Clear data retention policies aligned with legal professional requirements. Research queries and documents are not retained for AI training. Supports data processing agreements for enterprise law firms.

#### Certifications

Lexis+ AI leads with 4/5 vs 3/5.

●Contractbook (3/5): SOC 2 Type II certified; ISO 27001 not yet confirmed; GDPR-native architecture

●Lexis+ AI (4/5): Holds SOC 2 Type II, ISO 27001, and ISO 27701 certifications. Strong certification portfolio appropriate for a platform handling confidential legal information.

#### Regulatory Fit

Both score equally at 5/5.

●Contractbook (5/5): Excellent fit for EU legal, procurement, and regulated industries; eIDAS-compliant e-signatures

●Lexis+ AI (5/5): Excellent regulatory fit for law firms and legal departments. Compliance with bar association professional responsibility rules, GDPR, UK GDPR, and CCPA. Trusted by government agencies and Am Law 100 firms.

Certifications at a Glance

Certification	Contractbook	Lexis+ AI
GDPR	Yes	No
ISO 27001	No	Yes
ISO 27701	No	Yes
SOC 2 Type II	Yes	Yes

Overall Verdict

Contractbook and Lexis+ AI are closely matched on trust and compliance, with scores of 22/25 and 21/25 respectively. The right choice depends on your specific regulatory requirements and existing technology stack.

Frequently Asked Questions

Which is better for EU compliance, Contractbook or Lexis+ AI?

Contractbook has a TrustKit score of 22/25 while Lexis+ AI scores 21/25. Contractbook currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Contractbook and Lexis+ AI compare on data residency?

Contractbook scores 4/5 for data residency (EU data residency on AWS EU regions; Danish company with EU-compliant data processing), while Lexis+ AI scores 4/5 (Data hosted across US, EU, and UK data centres. Strong data residency options for law firms in major common law and civil law jurisdictions. UK GDPR compliance post-Brexit.).

Are Contractbook and Lexis+ AI GDPR compliant?

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

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