Clearbit

AI-powered B2B data enrichment and lead intelligence platform

Ahrefs

AI-enhanced SEO toolset with industry-leading backlink index and keyword research capabilities

Clearbit

Moderate

14/25

Ahrefs

Moderate

14/25

Score Breakdown

DimensionClearbitAhrefs

Data Residency

Where is your data stored and processed?

Clearbit: US-based infrastructure. No EU data residency option. Business contact data processed in US.

Ahrefs: Singapore-incorporated and bootstrapped; data processed across global infrastructure; no formal per-customer data residency selection but alternative jurisdiction to US CLOUD Act-covered vendors

2/5

US-based infrastructure. No EU data residency option. Business contact data processed in US.

3/5

Singapore-incorporated and bootstrapped; data processed across global infrastructure; no formal per-customer data residency selection but alternative jurisdiction to US CLOUD Act-covered vendors

Legal Jurisdiction

Which laws govern the company and your data?

Clearbit: US corporation (part of HubSpot). Subject to US jurisdiction. GDPR and CCPA compliance features available.

Ahrefs: Singapore incorporation provides a favourable alternative to US-based alternatives; Singapore has PDPA data protection legislation and is not subject to US CLOUD Act; GDPR DPA available

2/5

US corporation (part of HubSpot). Subject to US jurisdiction. GDPR and CCPA compliance features available.

3/5

Singapore incorporation provides a favourable alternative to US-based alternatives; Singapore has PDPA data protection legislation and is not subject to US CLOUD Act; GDPR DPA available

Data Retention & Training

Is your data used for model training?

Clearbit: Business intelligence data from public sources. Customer CRM data not shared. GDPR data subject rights supported.

Ahrefs: Primarily processes public web index data; customer account and project data retained per privacy policy; no known use of customer data for model training

3/5

Business intelligence data from public sources. Customer CRM data not shared. GDPR data subject rights supported.

3/5

Primarily processes public web index data; customer account and project data retained per privacy policy; no known use of customer data for model training

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Clearbit: SOC 2 Type II certified (through HubSpot). GDPR DPA available. Strong security posture as part of a public company.

Ahrefs: No publicly confirmed SOC 2 or ISO 27001 certifications; GDPR DPA available; cookie-free Web Analytics reduces personal data exposure

4/5

SOC 2 Type II certified (through HubSpot). GDPR DPA available. Strong security posture as part of a public company.

2/5

No publicly confirmed SOC 2 or ISO 27001 certifications; GDPR DPA available; cookie-free Web Analytics reduces personal data exposure

Regulatory Fit

Suitability for regulated industries and professional services

Clearbit: Handles business contact data with appropriate GDPR and CCPA compliance. SOC 2 certification provides enterprise security assurance. Data enrichment activities require GDPR legitimate interest basis.

Ahrefs: Bootstrap model and Singapore jurisdiction are notable differentiators; absence of formal security certifications limits suitability for highly regulated sectors requiring SOC 2 evidence

3/5

Handles business contact data with appropriate GDPR and CCPA compliance. SOC 2 certification provides enterprise security assurance. Data enrichment activities require GDPR legitimate interest basis.

3/5

Bootstrap model and Singapore jurisdiction are notable differentiators; absence of formal security certifications limits suitability for highly regulated sectors requiring SOC 2 evidence

Total Score

14/25

Best For

Clearbit

Best for teams that prioritise data residency (scores 3/5) and need a bronze-tier tool.

Ahrefs

Best for teams on a tight budget.

Detailed Comparison

Ahrefs vs Clearbit: Trust & Compliance Comparison

Ahrefs (Ahrefs, SG) scores 14/25 overall with a Bronze (Moderate) trust badge. AI-enhanced SEO toolset with industry-leading backlink index and keyword research capabilities. Clearbit (Clearbit (HubSpot), US) scores 14/25 with a Bronze (Moderate) trust badge. AI-powered B2B data enrichment and lead intelligence platform.

Dimension-by-Dimension Breakdown

#### Data Residency

Ahrefs leads with 3/5 vs 2/5.

●Ahrefs (3/5): Singapore-incorporated and bootstrapped; data processed across global infrastructure; no formal per-customer data residency selection but alternative jurisdiction to US CLOUD Act-covered vendors

●Clearbit (2/5): US-based infrastructure. No EU data residency option. Business contact data processed in US.

#### Legal Jurisdiction

Ahrefs leads with 3/5 vs 2/5.

●Ahrefs (3/5): Singapore incorporation provides a favourable alternative to US-based alternatives; Singapore has PDPA data protection legislation and is not subject to US CLOUD Act; GDPR DPA available

●Clearbit (2/5): US corporation (part of HubSpot). Subject to US jurisdiction. GDPR and CCPA compliance features available.

#### Data Retention & Training

Both score equally at 3/5.

●Ahrefs (3/5): Primarily processes public web index data; customer account and project data retained per privacy policy; no known use of customer data for model training

●Clearbit (3/5): Business intelligence data from public sources. Customer CRM data not shared. GDPR data subject rights supported.

#### Certifications

Clearbit leads with 4/5 vs 2/5.

●Ahrefs (2/5): No publicly confirmed SOC 2 or ISO 27001 certifications; GDPR DPA available; cookie-free Web Analytics reduces personal data exposure

●Clearbit (4/5): SOC 2 Type II certified (through HubSpot). GDPR DPA available. Strong security posture as part of a public company.

#### Regulatory Fit

Both score equally at 3/5.

●Ahrefs (3/5): Bootstrap model and Singapore jurisdiction are notable differentiators; absence of formal security certifications limits suitability for highly regulated sectors requiring SOC 2 evidence

●Clearbit (3/5): Handles business contact data with appropriate GDPR and CCPA compliance. SOC 2 certification provides enterprise security assurance. Data enrichment activities require GDPR legitimate interest basis.

Certifications at a Glance

Certification	Ahrefs	Clearbit
GDPR DPA	No	Yes
SOC 2 Type II	No	Yes

Overall Verdict

Ahrefs and Clearbit are closely matched on trust and compliance, with scores of 14/25 and 14/25 respectively. The right choice depends on your specific regulatory requirements and existing technology stack.

Frequently Asked Questions

Which is better for EU compliance, Clearbit or Ahrefs?

Clearbit has a TrustKit score of 14/25 while Ahrefs scores 14/25. Both tools are currently rated equally across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Clearbit and Ahrefs compare on data residency?

Clearbit scores 2/5 for data residency (US-based infrastructure. No EU data residency option. Business contact data processed in US.), while Ahrefs scores 3/5 (Singapore-incorporated and bootstrapped; data processed across global infrastructure; no formal per-customer data residency selection but alternative jurisdiction to US CLOUD Act-covered vendors).

Are Clearbit and Ahrefs GDPR compliant?

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

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