Attio

London-based AI-native CRM built for modern B2B companies

Aircall

French AI cloud telephony platform for sales and support teams

Attio

Strong

20/25

Aircall

Strong

20/25

Score Breakdown

DimensionAttioAircall

Data Residency

Where is your data stored and processed?

Attio: EU data residency (AWS eu-west-1) is the default for all plans — not an enterprise add-on

Aircall: Call recordings and metadata hosted in AWS EU regions; EU data residency is available for customers.

5/5

EU data residency (AWS eu-west-1) is the default for all plans — not an enterprise add-on

4/5

Call recordings and metadata hosted in AWS EU regions; EU data residency is available for customers.

Legal Jurisdiction

Which laws govern the company and your data?

Attio: UK entity (England and Wales); UK GDPR jurisdiction; no US parent; post-Brexit UK adequacy decision in place

Aircall: French SAS incorporated and headquartered in Paris; fully subject to French and EU law with no US parent entity.

4/5

UK entity (England and Wales); UK GDPR jurisdiction; no US parent; post-Brexit UK adequacy decision in place

5/5

French SAS incorporated and headquartered in Paris; fully subject to French and EU law with no US parent entity.

Data Retention & Training

Is your data used for model training?

Attio: No training on CRM data; transparent about third-party AI services; DPA available for EU customers

Aircall: Call recordings and AI transcripts are not used for model training; configurable retention periods available per plan.

4/5

No training on CRM data; transparent about third-party AI services; DPA available for EU customers

4/5

Call recordings and AI transcripts are not used for model training; configurable retention periods available per plan.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Attio: SOC 2 Type II certified; ISO 27001 in progress as of early 2026

Aircall: ISO 27001 certified with regular security audits; SOC 2 not yet publicly confirmed.

3/5

SOC 2 Type II certified; ISO 27001 in progress as of early 2026

3/5

ISO 27001 certified with regular security audits; SOC 2 not yet publicly confirmed.

Regulatory Fit

Suitability for regulated industries and professional services

Attio: Excellent EU fit; EU residency by default, UK legal entity, SOC 2 — good for regulated European B2B sales teams

Aircall: Strong EU fit with CNIL-compliant French incorporation, DPA with SCCs, and call recording consent management tooling.

4/5

Excellent EU fit; EU residency by default, UK legal entity, SOC 2 — good for regulated European B2B sales teams

4/5

Strong EU fit with CNIL-compliant French incorporation, DPA with SCCs, and call recording consent management tooling.

Total Score

20/25

Best For

Attio

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

Aircall

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

Detailed Comparison

Aircall vs Attio: Trust & Compliance Comparison

Aircall (Aircall, FR) scores 20/25 overall with a Silver (Strong) trust badge. French AI cloud telephony platform for sales and support teams. Attio (Attio, GB) scores 20/25 with a Silver (Strong) trust badge. London-based AI-native CRM built for modern B2B companies.

Dimension-by-Dimension Breakdown

#### Data Residency

Attio leads with 5/5 vs 4/5.

●Aircall (4/5): Call recordings and metadata hosted in AWS EU regions; EU data residency is available for customers.

●Attio (5/5): EU data residency (AWS eu-west-1) is the default for all plans — not an enterprise add-on

#### Legal Jurisdiction

Aircall leads with 5/5 vs 4/5.

●Aircall (5/5): French SAS incorporated and headquartered in Paris; fully subject to French and EU law with no US parent entity.

●Attio (4/5): UK entity (England and Wales); UK GDPR jurisdiction; no US parent; post-Brexit UK adequacy decision in place

#### Data Retention & Training

Both score equally at 4/5.

●Aircall (4/5): Call recordings and AI transcripts are not used for model training; configurable retention periods available per plan.

●Attio (4/5): No training on CRM data; transparent about third-party AI services; DPA available for EU customers

#### Certifications

Both score equally at 3/5.

●Aircall (3/5): ISO 27001 certified with regular security audits; SOC 2 not yet publicly confirmed.

●Attio (3/5): SOC 2 Type II certified; ISO 27001 in progress as of early 2026

#### Regulatory Fit

Both score equally at 4/5.

●Aircall (4/5): Strong EU fit with CNIL-compliant French incorporation, DPA with SCCs, and call recording consent management tooling.

●Attio (4/5): Excellent EU fit; EU residency by default, UK legal entity, SOC 2 — good for regulated European B2B sales teams

Certifications at a Glance

Certification	Aircall	Attio
ISO 27001	Yes	No
SOC 2 Type II	No	Yes

Overall Verdict

Aircall and Attio are closely matched on trust and compliance, with scores of 20/25 and 20/25 respectively. The right choice depends on your specific regulatory requirements and existing technology stack.

Frequently Asked Questions

Which is better for EU compliance, Attio or Aircall?

Attio has a TrustKit score of 20/25 while Aircall scores 20/25. Both tools are currently rated equally across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Attio and Aircall compare on data residency?

Attio scores 5/5 for data residency (EU data residency (AWS eu-west-1) is the default for all plans — not an enterprise add-on), while Aircall scores 4/5 (Call recordings and metadata hosted in AWS EU regions; EU data residency is available for customers.).

Are Attio and Aircall GDPR compliant?

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

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