PolyAI

UK enterprise voice AI platform for automated customer service phone calls

Unbabel

Portuguese AI translation platform combining neural MT with human quality assurance

PolyAI

Strong

18/25

Unbabel

Excellent

22/25

Score Breakdown

DimensionPolyAIUnbabel

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.

Unbabel: EU-based infrastructure operated by a Portuguese company; limited human editor data exposure by design

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

EU-based infrastructure operated by a Portuguese company; limited human editor data exposure by design

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.

Unbabel: Portuguese Lda, EU-incorporated, no US parent, subject to Portuguese and EU law

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

Portuguese Lda, EU-incorporated, no US parent, subject to Portuguese and EU law

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.

Unbabel: No training on customer data; clear data segmentation in human editing workflow; DPA available

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

No training on customer data; clear data segmentation in human editing workflow; DPA available

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.

Unbabel: ISO 27001 and SOC 2 Type II certified — strong for a European scale-up

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.

4/5

ISO 27001 and SOC 2 Type II certified — strong for a European scale-up

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.

Unbabel: Excellent EU fit; ISO 27001 + SOC 2 + EU jurisdiction makes it suitable for regulated industries

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.

5/5

Excellent EU fit; ISO 27001 + SOC 2 + EU jurisdiction makes it suitable for regulated industries

Total Score

18/25

22/25

Best For

PolyAI

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

Unbabel

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (ISO 27001, SOC 2 Type II, GDPR); regulated industries (CNPD, CNIL); privacy-conscious teams who need strong data retention controls.

Detailed Comparison

PolyAI vs Unbabel: 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. Unbabel (Unbabel, PT) scores 22/25 with a Gold (Excellent) trust badge. Portuguese AI translation platform combining neural MT with human quality assurance.

Dimension-by-Dimension Breakdown

#### Data Residency

Unbabel 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.

●Unbabel (4/5): EU-based infrastructure operated by a Portuguese company; limited human editor data exposure by design

#### Legal Jurisdiction

Unbabel leads with 5/5 vs 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.

●Unbabel (5/5): Portuguese Lda, EU-incorporated, no US parent, subject to Portuguese and EU law

#### Data Retention & Training

Unbabel 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.

●Unbabel (4/5): No training on customer data; clear data segmentation in human editing workflow; DPA available

#### Certifications

PolyAI leads with 5/5 vs 4/5.

●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.

●Unbabel (4/5): ISO 27001 and SOC 2 Type II certified — strong for a European scale-up

#### Regulatory Fit

Unbabel leads with 5/5 vs 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.

●Unbabel (5/5): Excellent EU fit; ISO 27001 + SOC 2 + EU jurisdiction makes it suitable for regulated industries

Certifications at a Glance

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

Overall Verdict

Unbabel has a clear trust advantage, scoring 22/25 compared to PolyAI's 18/25. Unbabel particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, PolyAI or Unbabel?

PolyAI has a TrustKit score of 18/25 while Unbabel scores 22/25. Unbabel currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do PolyAI and Unbabel 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 Unbabel scores 4/5 (EU-based infrastructure operated by a Portuguese company; limited human editor data exposure by design).

Are PolyAI and Unbabel GDPR compliant?

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

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