deepset (Haystack)

German AI company behind Haystack — the open-source framework for building production RAG and agent applications

Linear

Fast, opinionated issue tracking with AI for engineering teams

deepset (Haystack)

Excellent

24/25

Linear

Moderate

16/25

Score Breakdown

Dimensiondeepset (Haystack)Linear

Data Residency

Where is your data stored and processed?

deepset (Haystack): EU hosting available for managed platform. On-premises and air-gapped deployments fully supported. Open-source framework runs entirely locally with zero external data flow.

Linear: EU data residency available (AWS eu-west-1); clearly documented and configurable at workspace level

5/5

EU hosting available for managed platform. On-premises and air-gapped deployments fully supported. Open-source framework runs entirely locally with zero external data flow.

4/5

EU data residency available (AWS eu-west-1); clearly documented and configurable at workspace level

Legal Jurisdiction

Which laws govern the company and your data?

deepset (Haystack): German GmbH, fully under EU law. Berlin headquarters. No US parent company. Investors include EU and US VCs but corporate governance remains German.

Linear: US Delaware corporation despite Scandinavian founders; CLOUD Act applies; DPA and SCCs available

5/5

German GmbH, fully under EU law. Berlin headquarters. No US parent company. Investors include EU and US VCs but corporate governance remains German.

2/5

US Delaware corporation despite Scandinavian founders; CLOUD Act applies; DPA and SCCs available

Data Retention & Training

Is your data used for model training?

deepset (Haystack): Terms restrict data use to anonymised system data only. No explicit public 'we don't train' statement, but contractual restrictions are clear. Self-hosted gives full control.

Linear: No training on customer data; OpenAI zero-retention API used for AI features; customer-controlled retention

4/5

Terms restrict data use to anonymised system data only. No explicit public 'we don't train' statement, but contractual restrictions are clear. Self-hosted gives full control.

4/5

No training on customer data; OpenAI zero-retention API used for AI features; customer-controlled retention

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

deepset (Haystack): SOC 2 Type II, ISO 27001, HIPAA, and CSA STAR Level 1. Comprehensive certification suite for enterprise procurement. Third-party DPO (secjur).

Linear: SOC 2 Type II certified; ISO 27001 not yet confirmed; strong security posture for its size

5/5

SOC 2 Type II, ISO 27001, HIPAA, and CSA STAR Level 1. Comprehensive certification suite for enterprise procurement. Third-party DPO (secjur).

3/5

SOC 2 Type II certified; ISO 27001 not yet confirmed; strong security posture for its size

Regulatory Fit

Suitability for regulated industries and professional services

deepset (Haystack): German GmbH with EU hosting, self-hosting option, and strong certifications. One of the best-positioned AI developer tools for EU regulated industries including financial services and healthcare.

Linear: Good for EU tech teams; EU residency option and SOC 2 support regulated use with appropriate DPA

5/5

German GmbH with EU hosting, self-hosting option, and strong certifications. One of the best-positioned AI developer tools for EU regulated industries including financial services and healthcare.

3/5

Good for EU tech teams; EU residency option and SOC 2 support regulated use with appropriate DPA

Total Score

24/25

16/25

Best For

deepset (Haystack)

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, CSA STAR Level 1); regulated industries (BaFin, CNIL); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment; teams on a tight budget.

Linear

Best for privacy-conscious teams who need strong data retention controls; teams on a tight budget.

Detailed Comparison

deepset (Haystack) vs Linear: Trust & Compliance Comparison

deepset (Haystack) (deepset, DE) scores 24/25 overall with a Gold (Excellent) trust badge. German AI company behind Haystack — the open-source framework for building production RAG and agent applications. Linear (Linear, US) scores 16/25 with a Bronze (Moderate) trust badge. Fast, opinionated issue tracking with AI for engineering teams.

Dimension-by-Dimension Breakdown

#### Data Residency

deepset (Haystack) leads with 5/5 vs 4/5.

●deepset (Haystack) (5/5): EU hosting available for managed platform. On-premises and air-gapped deployments fully supported. Open-source framework runs entirely locally with zero external data flow.

●Linear (4/5): EU data residency available (AWS eu-west-1); clearly documented and configurable at workspace level

#### Legal Jurisdiction

deepset (Haystack) leads with 5/5 vs 2/5.

●deepset (Haystack) (5/5): German GmbH, fully under EU law. Berlin headquarters. No US parent company. Investors include EU and US VCs but corporate governance remains German.

●Linear (2/5): US Delaware corporation despite Scandinavian founders; CLOUD Act applies; DPA and SCCs available

#### Data Retention & Training

Both score equally at 4/5.

●deepset (Haystack) (4/5): Terms restrict data use to anonymised system data only. No explicit public 'we don't train' statement, but contractual restrictions are clear. Self-hosted gives full control.

●Linear (4/5): No training on customer data; OpenAI zero-retention API used for AI features; customer-controlled retention

#### Certifications

deepset (Haystack) leads with 5/5 vs 3/5.

●deepset (Haystack) (5/5): SOC 2 Type II, ISO 27001, HIPAA, and CSA STAR Level 1. Comprehensive certification suite for enterprise procurement. Third-party DPO (secjur).

●Linear (3/5): SOC 2 Type II certified; ISO 27001 not yet confirmed; strong security posture for its size

#### Regulatory Fit

deepset (Haystack) leads with 5/5 vs 3/5.

●deepset (Haystack) (5/5): German GmbH with EU hosting, self-hosting option, and strong certifications. One of the best-positioned AI developer tools for EU regulated industries including financial services and healthcare.

●Linear (3/5): Good for EU tech teams; EU residency option and SOC 2 support regulated use with appropriate DPA

Certifications at a Glance

Certification	deepset (Haystack)	Linear
CSA STAR Level 1	Yes	No
ISO 27001	Yes	No
SOC 2 Type II	Yes	Yes

Overall Verdict

deepset (Haystack) has a clear trust advantage, scoring 24/25 compared to Linear's 16/25. deepset (Haystack) particularly excels in data residency, legal jurisdiction, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, deepset (Haystack) or Linear?

deepset (Haystack) has a TrustKit score of 24/25 while Linear scores 16/25. deepset (Haystack) currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do deepset (Haystack) and Linear compare on data residency?

deepset (Haystack) scores 5/5 for data residency (EU hosting available for managed platform. On-premises and air-gapped deployments fully supported. Open-source framework runs entirely locally with zero external data flow.), while Linear scores 4/5 (EU data residency available (AWS eu-west-1); clearly documented and configurable at workspace level).

Are deepset (Haystack) and Linear GDPR compliant?

Both tools are assessed across five compliance dimensions. deepset (Haystack) has a regulatory fit score of 5/5 and Linear scores 3/5. Check the full comparison above for a detailed breakdown.

Explore Each Tool