Surfer SEO

AI-powered SEO content optimisation platform for data-driven content teams

Compose AI

AI writing autocomplete Chrome extension that speeds up everyday writing

Surfer SEO

Moderate

14/25

Compose AI

Caution

8/25

Score Breakdown

DimensionSurfer SEOCompose AI

Data Residency

Where is your data stored and processed?

Surfer SEO: Hosted on GCP EU region; processes public web content and user-authored text; no PII in core workflow

Compose AI: Text input processed on US-based cloud servers. No EU data residency option.

3/5

Hosted on GCP EU region; processes public web content and user-authored text; no PII in core workflow

2/5

Text input processed on US-based cloud servers. No EU data residency option.

Legal Jurisdiction

Which laws govern the company and your data?

Surfer SEO: Polish company incorporated in EU; subject to GDPR as data controller; no CLOUD Act exposure

Compose AI: US entity. Subject to US jurisdiction and CLOUD Act. No EU legal entity or GDPR DPA.

4/5

Polish company incorporated in EU; subject to GDPR as data controller; no CLOUD Act exposure

2/5

US entity. Subject to US jurisdiction and CLOUD Act. No EU legal entity or GDPR DPA.

Data Retention & Training

Is your data used for model training?

Surfer SEO: User content processed for scoring; not retained for model training; account data managed under GDPR

Compose AI: Extension processes text input through cloud servers. Personalisation features imply some data retention. Limited transparency on data handling.

4/5

User content processed for scoring; not retained for model training; account data managed under GDPR

2/5

Extension processes text input through cloud servers. Personalisation features imply some data retention. Limited transparency on data handling.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Surfer SEO: No publicly disclosed security certifications; GDPR-compliant privacy policy in place

Compose AI: No security certifications publicly disclosed. Consumer-focused extension without enterprise security posture.

1/5

No publicly disclosed security certifications; GDPR-compliant privacy policy in place

1/5

No security certifications publicly disclosed. Consumer-focused extension without enterprise security posture.

Regulatory Fit

Suitability for regulated industries and professional services

Surfer SEO: Suitable for standard content and marketing teams; not designed for regulated industry compliance requirements

Compose AI: Consumer browser extension not suitable for regulated environments. Broad browser permissions required. No enterprise compliance features.

2/5

Suitable for standard content and marketing teams; not designed for regulated industry compliance requirements

1/5

Consumer browser extension not suitable for regulated environments. Broad browser permissions required. No enterprise compliance features.

Total Score

14/25

8/25

Best For

Surfer SEO

Best for teams on a tight budget.

Compose AI

Best for teams prioritising European legal jurisdiction; privacy-conscious teams who need strong data retention controls.

Detailed Comparison

Compose AI vs Surfer SEO: Trust & Compliance Comparison

Compose AI (Compose AI, US) scores 8/25 overall with a Review Required (Caution) trust badge. AI writing autocomplete Chrome extension that speeds up everyday writing. Surfer SEO (Surfer SEO, PL) scores 14/25 with a Bronze (Moderate) trust badge. AI-powered SEO content optimisation platform for data-driven content teams.

Dimension-by-Dimension Breakdown

#### Data Residency

Surfer SEO leads with 3/5 vs 2/5.

●Compose AI (2/5): Text input processed on US-based cloud servers. No EU data residency option.

●Surfer SEO (3/5): Hosted on GCP EU region; processes public web content and user-authored text; no PII in core workflow

#### Legal Jurisdiction

Surfer SEO leads with 4/5 vs 2/5.

●Compose AI (2/5): US entity. Subject to US jurisdiction and CLOUD Act. No EU legal entity or GDPR DPA.

●Surfer SEO (4/5): Polish company incorporated in EU; subject to GDPR as data controller; no CLOUD Act exposure

#### Data Retention & Training

Surfer SEO leads with 4/5 vs 2/5.

●Compose AI (2/5): Extension processes text input through cloud servers. Personalisation features imply some data retention. Limited transparency on data handling.

●Surfer SEO (4/5): User content processed for scoring; not retained for model training; account data managed under GDPR

#### Certifications

Both score equally at 1/5.

●Compose AI (1/5): No security certifications publicly disclosed. Consumer-focused extension without enterprise security posture.

●Surfer SEO (1/5): No publicly disclosed security certifications; GDPR-compliant privacy policy in place

#### Regulatory Fit

Surfer SEO leads with 2/5 vs 1/5.

●Compose AI (1/5): Consumer browser extension not suitable for regulated environments. Broad browser permissions required. No enterprise compliance features.

●Surfer SEO (2/5): Suitable for standard content and marketing teams; not designed for regulated industry compliance requirements

Overall Verdict

Surfer SEO has a clear trust advantage, scoring 14/25 compared to Compose AI's 8/25. Surfer SEO particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Surfer SEO or Compose AI?

Surfer SEO has a TrustKit score of 14/25 while Compose AI scores 8/25. Surfer SEO currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Surfer SEO and Compose AI compare on data residency?

Surfer SEO scores 3/5 for data residency (Hosted on GCP EU region; processes public web content and user-authored text; no PII in core workflow), while Compose AI scores 2/5 (Text input processed on US-based cloud servers. No EU data residency option.).

Are Surfer SEO and Compose AI GDPR compliant?

Both tools are assessed across five compliance dimensions. Surfer SEO has a regulatory fit score of 2/5 and Compose AI scores 1/5. Check the full comparison above for a detailed breakdown.

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