PolyAI

UK enterprise voice AI platform for automated customer service phone calls

Aircall

French AI cloud telephony platform for sales and support teams

PolyAI

Strong

18/25

Aircall

Strong

20/25

Score Breakdown

DimensionPolyAIAircall

Data Residency

Where is your data stored and processed?

PolyAI: Cloud-hosted with multi-region options. Specific EU data centre deployment available for enterprise clients. UK company but cloud provider and region details not publicly documented.

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

3/5

Cloud-hosted with multi-region options. Specific EU data centre deployment available for enterprise clients. UK company but cloud provider and region details not publicly documented.

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?

PolyAI: UK Ltd incorporation. Post-Brexit UK GDPR with EU adequacy. UK Investigatory Powers Act applies. Adequate for most European enterprise use cases but not optimal for strict EU sovereignty requirements.

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

3/5

UK Ltd incorporation. Post-Brexit UK GDPR with EU adequacy. UK Investigatory Powers Act applies. Adequate for most European enterprise use cases but not optimal for strict EU sovereignty requirements.

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?

PolyAI: Voice conversation data handling not explicitly disclosed. Enterprise contracts likely include data retention terms. PCI DSS certification suggests formal data handling procedures for sensitive data.

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

3/5

Voice conversation data handling not explicitly disclosed. Enterprise contracts likely include data retention terms. PCI DSS certification suggests formal data handling procedures for sensitive data.

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.

PolyAI: Exceptional certification posture: ISO 27001, SOC 2 Type II, HIPAA, and PCI DSS. Covers security, healthcare, and payment data requirements. One of the strongest certification sets in the directory.

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

5/5

Exceptional certification posture: ISO 27001, SOC 2 Type II, HIPAA, and PCI DSS. Covers security, healthcare, and payment data requirements. One of the strongest certification sets in the directory.

3/5

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

Regulatory Fit

Suitability for regulated industries and professional services

PolyAI: Excellent for regulated industries: HIPAA for healthcare, PCI DSS for financial services. Strong certification posture supports enterprise procurement. UK jurisdiction is adequate for EU regulated use.

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

4/5

Excellent for regulated industries: HIPAA for healthcare, PCI DSS for financial services. Strong certification posture supports enterprise procurement. UK jurisdiction is adequate for EU regulated use.

4/5

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

Total Score

18/25

20/25

Best For

PolyAI

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 organisations requiring broad certification coverage (ISO 27001, SOC 2 Type II, HIPAA); regulated industries (financial-services, healthcare).

Detailed Comparison

Aircall vs PolyAI: 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. PolyAI (PolyAI, GB) scores 18/25 with a Silver (Strong) trust badge. UK enterprise voice AI platform for automated customer service phone calls.

Dimension-by-Dimension Breakdown

#### Data Residency

Aircall leads with 4/5 vs 3/5.

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

●PolyAI (3/5): Cloud-hosted with multi-region options. Specific EU data centre deployment available for enterprise clients. UK company but cloud provider and region details not publicly documented.

#### Legal Jurisdiction

Aircall leads with 5/5 vs 3/5.

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

●PolyAI (3/5): UK Ltd incorporation. Post-Brexit UK GDPR with EU adequacy. UK Investigatory Powers Act applies. Adequate for most European enterprise use cases but not optimal for strict EU sovereignty requirements.

#### Data Retention & Training

Aircall leads with 4/5 vs 3/5.

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

●PolyAI (3/5): Voice conversation data handling not explicitly disclosed. Enterprise contracts likely include data retention terms. PCI DSS certification suggests formal data handling procedures for sensitive data.

#### Certifications

PolyAI leads with 5/5 vs 3/5.

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

●PolyAI (5/5): Exceptional certification posture: ISO 27001, SOC 2 Type II, HIPAA, and PCI DSS. Covers security, healthcare, and payment data requirements. One of the strongest certification sets in the directory.

#### 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.

●PolyAI (4/5): Excellent for regulated industries: HIPAA for healthcare, PCI DSS for financial services. Strong certification posture supports enterprise procurement. UK jurisdiction is adequate for EU regulated use.

Certifications at a Glance

Certification	Aircall	PolyAI
HIPAA	No	Yes
ISO 27001	Yes	Yes
PCI DSS	No	Yes
SOC 2 Type II	No	Yes

Overall Verdict

Aircall has a clear trust advantage, scoring 20/25 compared to PolyAI's 18/25. Aircall particularly excels in data residency, legal jurisdiction, data retention & training.

Frequently Asked Questions

Which is better for EU compliance, PolyAI or Aircall?

PolyAI has a TrustKit score of 18/25 while Aircall scores 20/25. Aircall currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do PolyAI and Aircall compare on data residency?

PolyAI scores 3/5 for data residency (Cloud-hosted with multi-region options. Specific EU data centre deployment available for enterprise clients. UK company but cloud provider and region details not publicly documented.), while Aircall scores 4/5 (Call recordings and metadata hosted in AWS EU regions; EU data residency is available for customers.).

Are PolyAI and Aircall GDPR compliant?

Both tools are assessed across five compliance dimensions. PolyAI 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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