PolyAI

UK enterprise voice AI platform for automated customer service phone calls

Zendesk AI

AI-powered customer service that scales with your business

PolyAI

Strong

18/25

Zendesk AI

Strong

20/25

Score Breakdown

DimensionPolyAIZendesk AI

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.

Zendesk AI: Offers data hosting in US, EU, and Australia with configurable data locality. Strong regional data residency controls for enterprise 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

Offers data hosting in US, EU, and Australia with configurable data locality. Strong regional data residency controls for enterprise 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.

Zendesk AI: Incorporated in Delaware, US. Subject to US legal frameworks. Provides comprehensive DPA and standard contractual clauses for international data transfers.

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.

3/5

Incorporated in Delaware, US. Subject to US legal frameworks. Provides comprehensive DPA and standard contractual clauses for international data transfers.

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.

Zendesk AI: Configurable data retention policies with automatic deletion capabilities. Supports GDPR right-to-erasure and provides detailed data processing agreements.

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

Configurable data retention policies with automatic deletion capabilities. Supports GDPR right-to-erasure and provides detailed data processing agreements.

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.

Zendesk AI: Comprehensive certification portfolio including SOC 2 Type II, ISO 27001, ISO 27018, ISO 27701, and HIPAA compliance. Industry-leading security posture.

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.

5/5

Comprehensive certification portfolio including SOC 2 Type II, ISO 27001, ISO 27018, ISO 27701, and HIPAA compliance. Industry-leading security posture.

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.

Zendesk AI: Strong regulatory fit for most industries including healthcare (HIPAA) and finance. EU data hosting and ISO 27701 support GDPR compliance needs.

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 regulatory fit for most industries including healthcare (HIPAA) and finance. EU data hosting and ISO 27701 support GDPR compliance needs.

Total Score

18/25

20/25

Best For

PolyAI

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

Zendesk AI

Best for organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, ISO 27018); privacy-conscious teams who need strong data retention controls.

Detailed Comparison

PolyAI vs Zendesk AI: Trust & Compliance Comparison

PolyAI (PolyAI, GB) scores 18/25 overall with a Silver (Strong) trust badge. UK enterprise voice AI platform for automated customer service phone calls. Zendesk AI (Zendesk, US) scores 20/25 with a Silver (Strong) trust badge. AI-powered customer service that scales with your business.

Dimension-by-Dimension Breakdown

#### Data Residency

Zendesk AI leads with 4/5 vs 3/5.

●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.

●Zendesk AI (4/5): Offers data hosting in US, EU, and Australia with configurable data locality. Strong regional data residency controls for enterprise customers.

#### Legal Jurisdiction

Both score equally at 3/5.

●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.

●Zendesk AI (3/5): Incorporated in Delaware, US. Subject to US legal frameworks. Provides comprehensive DPA and standard contractual clauses for international data transfers.

#### Data Retention & Training

Zendesk AI leads with 4/5 vs 3/5.

●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.

●Zendesk AI (4/5): Configurable data retention policies with automatic deletion capabilities. Supports GDPR right-to-erasure and provides detailed data processing agreements.

#### Certifications

Both score equally at 5/5.

●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.

●Zendesk AI (5/5): Comprehensive certification portfolio including SOC 2 Type II, ISO 27001, ISO 27018, ISO 27701, and HIPAA compliance. Industry-leading security posture.

#### Regulatory Fit

Both score equally at 4/5.

●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.

●Zendesk AI (4/5): Strong regulatory fit for most industries including healthcare (HIPAA) and finance. EU data hosting and ISO 27701 support GDPR compliance needs.

Certifications at a Glance

Certification	PolyAI	Zendesk AI
HIPAA	Yes	No
ISO 27001	Yes	Yes
ISO 27018	No	Yes
ISO 27701	No	Yes
PCI DSS	Yes	No
SOC 2 Type II	Yes	Yes

Overall Verdict

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

Frequently Asked Questions

Which is better for EU compliance, PolyAI or Zendesk AI?

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

How do PolyAI and Zendesk AI 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 Zendesk AI scores 4/5 (Offers data hosting in US, EU, and Australia with configurable data locality. Strong regional data residency controls for enterprise customers.).

Are PolyAI and Zendesk AI GDPR compliant?

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

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