regolo.ai

EU-sovereign, zero-retention LLM inference on green Italian datacentres

deepset (Haystack)

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

regolo.ai

Excellent

23/25

deepset (Haystack)

Excellent

24/25

Score Breakdown

Dimensionregolo.aideepset (Haystack)

Data Residency

Where is your data stored and processed?

regolo.ai: All inference runs exclusively in Seeweb's Italian (EU) datacentres on renewable energy, with no data leaving the EU. Explicit EU-only residency.

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.

5/5

All inference runs exclusively in Seeweb's Italian (EU) datacentres on renewable energy, with no data leaving the EU. Explicit EU-only residency.

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.

Legal Jurisdiction

Which laws govern the company and your data?

regolo.ai: Operated by Seeweb S.r.l., an Italian company within the EU-listed DHH group, with no US parent. Fully under EU/Italian jurisdiction.

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.

5/5

Operated by Seeweb S.r.l., an Italian company within the EU-listed DHH group, with no US parent. Fully under EU/Italian jurisdiction.

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.

Data Retention & Training

Is your data used for model training?

regolo.ai: Explicit zero-data-retention architecture: prompts and outputs processed in memory and discarded, never stored, logged long-term, or used for training, with GDPR/DPA alignment.

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.

5/5

Explicit zero-data-retention architecture: prompts and outputs processed in memory and discarded, never stored, logged long-term, or used for training, with GDPR/DPA alignment.

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.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

regolo.ai: Inherits Seeweb's strong stack: ISO 27001, 27017, 27018, 22301, 14001, 9001, plus CSA STAR Level 1, CISPE and ACN recognition. SOC 2 Type II is not published, so not a full 5.

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

4/5

Inherits Seeweb's strong stack: ISO 27001, 27017, 27018, 22301, 14001, 9001, plus CSA STAR Level 1, CISPE and ACN recognition. SOC 2 Type II is not published, so not a full 5.

5/5

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

Regulatory Fit

Suitability for regulated industries and professional services

regolo.ai: Strong fit for most EU regulated industries via EU residency, zero retention, and broad ISO certification, suitable for buyers under the Italian Garante and other EU regulators; not yet sector-specific (e.g., no published BaFin/finance-specific attestations).

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.

4/5

Strong fit for most EU regulated industries via EU residency, zero retention, and broad ISO certification, suitable for buyers under the Italian Garante and other EU regulators; not yet sector-specific (e.g., no published BaFin/finance-specific attestations).

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.

Total Score

23/25

24/25

Best For

regolo.ai

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; enterprises requiring SSO integration.

deepset (Haystack)

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (ISO/IEC 27001, ISO/IEC 27017, ISO/IEC 27018); regulated industries (Garante, CNIL); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

Detailed Comparison

deepset (Haystack) vs regolo.ai: 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. regolo.ai (Seeweb, IT) scores 23/25 with a Gold (Excellent) trust badge. EU-sovereign, zero-retention LLM inference on green Italian datacentres.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 5/5.

●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.

●regolo.ai (5/5): All inference runs exclusively in Seeweb's Italian (EU) datacentres on renewable energy, with no data leaving the EU. Explicit EU-only residency.

#### Legal Jurisdiction

Both score equally at 5/5.

●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.

●regolo.ai (5/5): Operated by Seeweb S.r.l., an Italian company within the EU-listed DHH group, with no US parent. Fully under EU/Italian jurisdiction.

#### Data Retention & Training

regolo.ai leads with 5/5 vs 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.

●regolo.ai (5/5): Explicit zero-data-retention architecture: prompts and outputs processed in memory and discarded, never stored, logged long-term, or used for training, with GDPR/DPA alignment.

#### Certifications

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

●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).

●regolo.ai (4/5): Inherits Seeweb's strong stack: ISO 27001, 27017, 27018, 22301, 14001, 9001, plus CSA STAR Level 1, CISPE and ACN recognition. SOC 2 Type II is not published, so not a full 5.

#### Regulatory Fit

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

●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.

●regolo.ai (4/5): Strong fit for most EU regulated industries via EU residency, zero retention, and broad ISO certification, suitable for buyers under the Italian Garante and other EU regulators; not yet sector-specific (e.g., no published BaFin/finance-specific attestations).

Certifications at a Glance

Certification	deepset (Haystack)	regolo.ai
ACN recognition	No	Yes
CISPE	No	Yes
CSA STAR Level 1	Yes	Yes
ISO 14001	No	Yes
ISO 27001	Yes	No
ISO 9001	No	Yes
ISO/IEC 22301	No	Yes
ISO/IEC 27001	No	Yes
ISO/IEC 27017	No	Yes
ISO/IEC 27018	No	Yes
SOC 2 Type II	Yes	No

Overall Verdict

deepset (Haystack) and regolo.ai are closely matched on trust and compliance, with scores of 24/25 and 23/25 respectively. The right choice depends on your specific regulatory requirements and existing technology stack.

Frequently Asked Questions

Which is better for EU compliance, regolo.ai or deepset (Haystack)?

regolo.ai has a TrustKit score of 23/25 while deepset (Haystack) scores 24/25. deepset (Haystack) currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do regolo.ai and deepset (Haystack) compare on data residency?

regolo.ai scores 5/5 for data residency (All inference runs exclusively in Seeweb's Italian (EU) datacentres on renewable energy, with no data leaving the EU. Explicit EU-only residency.), while deepset (Haystack) scores 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.).

Are regolo.ai and deepset (Haystack) GDPR compliant?

Both tools are assessed across five compliance dimensions. regolo.ai has a regulatory fit score of 4/5 and deepset (Haystack) scores 5/5. Check the full comparison above for a detailed breakdown.

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