PolyAI

UK enterprise voice AI platform for automated customer service phone calls

Rasa

Open-source conversational AI framework for building enterprise chatbots and voice assistants

PolyAI

Strong

18/25

Rasa

Strong

19/25

Score Breakdown

DimensionPolyAIRasa

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.

Rasa: Open-source framework deployable on any infrastructure. Self-hosted option means data never leaves customer's environment. No cloud dependency for core functionality.

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.

5/5

Open-source framework deployable on any infrastructure. Self-hosted option means data never leaves customer's environment. No cloud dependency for core functionality.

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.

Rasa: Dual incorporation: Rasa Technologies GmbH (Germany) and Rasa Technologies Inc (USA). German R&D but US entity introduces CLOUD Act considerations. Self-hosted deployments mitigate jurisdiction risks.

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

Dual incorporation: Rasa Technologies GmbH (Germany) and Rasa Technologies Inc (USA). German R&D but US entity introduces CLOUD Act considerations. Self-hosted deployments mitigate jurisdiction risks.

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.

Rasa: Self-hosted architecture gives customers complete control over data retention. Rasa does not access or host customer data. Open-source code allows full audit of data handling.

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.

5/5

Self-hosted architecture gives customers complete control over data retention. Rasa does not access or host customer data. Open-source code allows full audit of data handling.

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.

Rasa: Controls aligned with ISO 27002. Supports GDPR and HIPAA compliance. No formal ISO 27001 or SOC 2 certifications listed. Self-hosted model shifts certification burden to customer.

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.

2/5

Controls aligned with ISO 27002. Supports GDPR and HIPAA compliance. No formal ISO 27001 or SOC 2 certifications listed. Self-hosted model shifts certification burden to customer.

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.

Rasa: Excellent for regulated industries due to self-hosting capability. Used by enterprises in financial services, healthcare, and government. Full data control enables compliance with strict regulatory requirements.

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

Excellent for regulated industries due to self-hosting capability. Used by enterprises in financial services, healthcare, and government. Full data control enables compliance with strict regulatory requirements.

Total Score

18/25

19/25

Best For

PolyAI

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

Rasa

Best for regulated industries (financial-services, healthcare); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment; teams on a tight budget.

Detailed Comparison

PolyAI vs Rasa: 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. Rasa (Rasa, DE) scores 19/25 with a Silver (Strong) trust badge. Open-source conversational AI framework for building enterprise chatbots and voice assistants.

Dimension-by-Dimension Breakdown

#### Data Residency

Rasa leads with 5/5 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.

●Rasa (5/5): Open-source framework deployable on any infrastructure. Self-hosted option means data never leaves customer's environment. No cloud dependency for core functionality.

#### 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.

●Rasa (3/5): Dual incorporation: Rasa Technologies GmbH (Germany) and Rasa Technologies Inc (USA). German R&D but US entity introduces CLOUD Act considerations. Self-hosted deployments mitigate jurisdiction risks.

#### Data Retention & Training

Rasa leads with 5/5 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.

●Rasa (5/5): Self-hosted architecture gives customers complete control over data retention. Rasa does not access or host customer data. Open-source code allows full audit of data handling.

#### Certifications

PolyAI leads with 5/5 vs 2/5.

●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.

●Rasa (2/5): Controls aligned with ISO 27002. Supports GDPR and HIPAA compliance. No formal ISO 27001 or SOC 2 certifications listed. Self-hosted model shifts certification burden to customer.

#### 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.

●Rasa (4/5): Excellent for regulated industries due to self-hosting capability. Used by enterprises in financial services, healthcare, and government. Full data control enables compliance with strict regulatory requirements.

Certifications at a Glance

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

Overall Verdict

PolyAI and Rasa are closely matched on trust and compliance, with scores of 18/25 and 19/25 respectively. The right choice depends on your specific regulatory requirements and existing technology stack.

Frequently Asked Questions

Which is better for EU compliance, PolyAI or Rasa?

PolyAI has a TrustKit score of 18/25 while Rasa scores 19/25. Rasa currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do PolyAI and Rasa 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 Rasa scores 5/5 (Open-source framework deployable on any infrastructure. Self-hosted option means data never leaves customer's environment. No cloud dependency for core functionality.).

Are PolyAI and Rasa GDPR compliant?

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

Explore Each Tool