Surfer SEO

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

Smartly.io

AI-powered advertising platform for automating creative production and media buying at scale

Surfer SEO

Moderate

14/25

Smartly.io

Moderate

16/25

Score Breakdown

DimensionSurfer SEOSmartly.io

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

Smartly.io: Primary hosting in Germany (Hetzner + AWS EU regions). Cross-border transfers to US/APAC offices covered by EU SCCs. Strong EU data residency posture for core platform operations.

3/5

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

4/5

Primary hosting in Germany (Hetzner + AWS EU regions). Cross-border transfers to US/APAC offices covered by EU SCCs. Strong EU data residency posture for core platform operations.

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

Smartly.io: Finnish Oy (EU company), but majority owned by Providence Equity Partners (US PE firm). Finnish/EU law governs the entity, though US parent introduces CLOUD Act considerations.

4/5

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

3/5

Finnish Oy (EU company), but majority owned by Providence Equity Partners (US PE firm). Finnish/EU law governs the entity, though US parent introduces CLOUD Act considerations.

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

Smartly.io: Privacy policy mentions retention of training data but lacks clarity on what 'training data' encompasses. Internal AI uses on-prem Llama models. No explicit 'we don't train on your data' commitment found publicly.

4/5

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

3/5

Privacy policy mentions retention of training data but lacks clarity on what 'training data' encompasses. Internal AI uses on-prem Llama models. No explicit 'we don't train on your data' commitment found publicly.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

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

Smartly.io: ISO 27001 certified. SOC 2 appears to be in progress. Infrastructure providers (Hetzner, AWS, Cloudflare) carry their own certifications.

1/5

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

3/5

ISO 27001 certified. SOC 2 appears to be in progress. Infrastructure providers (Hetzner, AWS, Cloudflare) carry their own certifications.

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

Smartly.io: GDPR DPA available. EU data hosting. Finnish legal entity. Suitable for European marketing teams. The US PE ownership is a consideration for the most sovereignty-sensitive buyers.

2/5

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

3/5

GDPR DPA available. EU data hosting. Finnish legal entity. Suitable for European marketing teams. The US PE ownership is a consideration for the most sovereignty-sensitive buyers.

Total Score

14/25

16/25

Best For

Surfer SEO

Best for enterprises requiring SSO integration.

Smartly.io

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

Detailed Comparison

Smartly.io vs Surfer SEO: Trust & Compliance Comparison

Smartly.io (Smartly.io, FI) scores 16/25 overall with a Bronze (Moderate) trust badge. AI-powered advertising platform for automating creative production and media buying at scale. 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

Smartly.io leads with 4/5 vs 3/5.

●Smartly.io (4/5): Primary hosting in Germany (Hetzner + AWS EU regions). Cross-border transfers to US/APAC offices covered by EU SCCs. Strong EU data residency posture for core platform operations.

●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 3/5.

●Smartly.io (3/5): Finnish Oy (EU company), but majority owned by Providence Equity Partners (US PE firm). Finnish/EU law governs the entity, though US parent introduces CLOUD Act considerations.

●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 3/5.

●Smartly.io (3/5): Privacy policy mentions retention of training data but lacks clarity on what 'training data' encompasses. Internal AI uses on-prem Llama models. No explicit 'we don't train on your data' commitment found publicly.

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

#### Certifications

Smartly.io leads with 3/5 vs 1/5.

●Smartly.io (3/5): ISO 27001 certified. SOC 2 appears to be in progress. Infrastructure providers (Hetzner, AWS, Cloudflare) carry their own certifications.

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

#### Regulatory Fit

Smartly.io leads with 3/5 vs 2/5.

●Smartly.io (3/5): GDPR DPA available. EU data hosting. Finnish legal entity. Suitable for European marketing teams. The US PE ownership is a consideration for the most sovereignty-sensitive buyers.

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

Certifications at a Glance

Certification	Smartly.io	Surfer SEO
ISO 27001	Yes	No

Overall Verdict

Smartly.io has a clear trust advantage, scoring 16/25 compared to Surfer SEO's 14/25. Smartly.io particularly excels in data residency, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Surfer SEO or Smartly.io?

Surfer SEO has a TrustKit score of 14/25 while Smartly.io scores 16/25. Smartly.io currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Surfer SEO and Smartly.io 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 Smartly.io scores 4/5 (Primary hosting in Germany (Hetzner + AWS EU regions). Cross-border transfers to US/APAC offices covered by EU SCCs. Strong EU data residency posture for core platform operations.).

Are Surfer SEO and Smartly.io GDPR compliant?

Both tools are assessed across five compliance dimensions. Surfer SEO has a regulatory fit score of 2/5 and Smartly.io scores 3/5. Check the full comparison above for a detailed breakdown.

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