Phrase

Czech-founded AI translation management platform for global software and content teams

Slack AI

AI-powered search, summaries, and workflows built into Slack

Phrase

Strong

20/25

Slack AI

Strong

20/25

Score Breakdown

DimensionPhraseSlack AI

Data Residency

Where is your data stored and processed?

Phrase: Primary infrastructure in EU data centres; third-party MT providers may process content in their own regions.

Slack AI: Slack offers data residency in the US, EU, and Asia Pacific regions. Enterprise Grid customers can choose where their data is stored at rest.

4/5

Primary infrastructure in EU data centres; third-party MT providers may process content in their own regions.

4/5

Slack offers data residency in the US, EU, and Asia Pacific regions. Enterprise Grid customers can choose where their data is stored at rest.

Legal Jurisdiction

Which laws govern the company and your data?

Phrase: Czech s.r.o. incorporated and operating under EU law with full GDPR applicability.

Slack AI: Incorporated in Delaware, US. As a Salesforce subsidiary, subject to US laws including the CLOUD Act. Offers EU data processing agreements and Standard Contractual Clauses.

5/5

Czech s.r.o. incorporated and operating under EU law with full GDPR applicability.

3/5

Incorporated in Delaware, US. As a Salesforce subsidiary, subject to US laws including the CLOUD Act. Offers EU data processing agreements and Standard Contractual Clauses.

Data Retention & Training

Is your data used for model training?

Phrase: Customer translation memories and content explicitly not used for model training; configurable retention available.

Slack AI: Administrators can configure custom data retention policies. Enterprise Grid offers granular retention controls. Data can be exported and deleted on request.

4/5

Customer translation memories and content explicitly not used for model training; configurable retention available.

4/5

Administrators can configure custom data retention policies. Enterprise Grid offers granular retention controls. Data can be exported and deleted on request.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Phrase: ISO 27001 certified; SOC 2 not yet publicly confirmed as of 2025.

Slack AI: Comprehensive certification portfolio including SOC 2 Type II, SOC 3, ISO 27001, ISO 27017, ISO 27018, ISO 27701, and ISO 42001. One of the most thoroughly certified collaboration platforms.

3/5

ISO 27001 certified; SOC 2 not yet publicly confirmed as of 2025.

5/5

Comprehensive certification portfolio including SOC 2 Type II, SOC 3, ISO 27001, ISO 27017, ISO 27018, ISO 27701, and ISO 42001. One of the most thoroughly certified collaboration platforms.

Regulatory Fit

Suitability for regulated industries and professional services

Phrase: Strong EU fit with comprehensive DPA, SCCs for third-party providers, and audit logging for regulated content.

Slack AI: Supports GDPR, CCPA, HIPAA, FINRA, and FedRAMP compliance. Enterprise Grid plan includes features for regulated industries including eDiscovery and data loss prevention.

4/5

Strong EU fit with comprehensive DPA, SCCs for third-party providers, and audit logging for regulated content.

4/5

Supports GDPR, CCPA, HIPAA, FINRA, and FedRAMP compliance. Enterprise Grid plan includes features for regulated industries including eDiscovery and data loss prevention.

Total Score

20/25

Best For

Phrase

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

Slack AI

Best for organisations requiring broad certification coverage (SOC 2 Type II, SOC 3, ISO 27001); privacy-conscious teams who need strong data retention controls.

Detailed Comparison

Phrase vs Slack AI: Trust & Compliance Comparison

Phrase (Phrase, CZ) scores 20/25 overall with a Silver (Strong) trust badge. Czech-founded AI translation management platform for global software and content teams. Slack AI (Salesforce, US) scores 20/25 with a Silver (Strong) trust badge. AI-powered search, summaries, and workflows built into Slack.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 4/5.

●Phrase (4/5): Primary infrastructure in EU data centres; third-party MT providers may process content in their own regions.

●Slack AI (4/5): Slack offers data residency in the US, EU, and Asia Pacific regions. Enterprise Grid customers can choose where their data is stored at rest.

#### Legal Jurisdiction

Phrase leads with 5/5 vs 3/5.

●Phrase (5/5): Czech s.r.o. incorporated and operating under EU law with full GDPR applicability.

●Slack AI (3/5): Incorporated in Delaware, US. As a Salesforce subsidiary, subject to US laws including the CLOUD Act. Offers EU data processing agreements and Standard Contractual Clauses.

#### Data Retention & Training

Both score equally at 4/5.

●Phrase (4/5): Customer translation memories and content explicitly not used for model training; configurable retention available.

●Slack AI (4/5): Administrators can configure custom data retention policies. Enterprise Grid offers granular retention controls. Data can be exported and deleted on request.

#### Certifications

Slack AI leads with 5/5 vs 3/5.

●Phrase (3/5): ISO 27001 certified; SOC 2 not yet publicly confirmed as of 2025.

●Slack AI (5/5): Comprehensive certification portfolio including SOC 2 Type II, SOC 3, ISO 27001, ISO 27017, ISO 27018, ISO 27701, and ISO 42001. One of the most thoroughly certified collaboration platforms.

#### Regulatory Fit

Both score equally at 4/5.

●Phrase (4/5): Strong EU fit with comprehensive DPA, SCCs for third-party providers, and audit logging for regulated content.

●Slack AI (4/5): Supports GDPR, CCPA, HIPAA, FINRA, and FedRAMP compliance. Enterprise Grid plan includes features for regulated industries including eDiscovery and data loss prevention.

Certifications at a Glance

Certification	Phrase	Slack AI
ISO 27001	Yes	Yes
ISO 27017	No	Yes
ISO 27018	No	Yes
ISO 27701	No	Yes
SOC 2 Type II	No	Yes
SOC 3	No	Yes

Overall Verdict

Phrase and Slack AI 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, Phrase or Slack AI?

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

How do Phrase and Slack AI compare on data residency?

Phrase scores 4/5 for data residency (Primary infrastructure in EU data centres; third-party MT providers may process content in their own regions.), while Slack AI scores 4/5 (Slack offers data residency in the US, EU, and Asia Pacific regions. Enterprise Grid customers can choose where their data is stored at rest.).

Are Phrase and Slack AI GDPR compliant?

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

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