Sybill

AI assistant for sales calls that automates summaries, follow-ups, and CRM updates

Attio

London-based AI-native CRM built for modern B2B companies

Sybill

Moderate

12/25

Attio

Strong

20/25

Score Breakdown

DimensionSybillAttio

Data Residency

Where is your data stored and processed?

Sybill: Data hosted on US-based cloud infrastructure. No EU data residency option disclosed.

Attio: EU data residency (AWS eu-west-1) is the default for all plans — not an enterprise add-on

2/5

Data hosted on US-based cloud infrastructure. No EU data residency option disclosed.

5/5

EU data residency (AWS eu-west-1) is the default for all plans — not an enterprise add-on

Legal Jurisdiction

Which laws govern the company and your data?

Sybill: US Delaware corporation. Subject to US jurisdiction and CLOUD Act.

Attio: UK entity (England and Wales); UK GDPR jurisdiction; no US parent; post-Brexit UK adequacy decision in place

2/5

US Delaware corporation. Subject to US jurisdiction and CLOUD Act.

4/5

UK entity (England and Wales); UK GDPR jurisdiction; no US parent; post-Brexit UK adequacy decision in place

Data Retention & Training

Is your data used for model training?

Sybill: Customer call data not used for model training. Data deletion available. Reasonable retention controls for sales data.

Attio: No training on CRM data; transparent about third-party AI services; DPA available for EU customers

3/5

Customer call data not used for model training. Data deletion available. Reasonable retention controls for sales data.

4/5

No training on CRM data; transparent about third-party AI services; DPA available for EU customers

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Sybill: SOC 2 certified. Demonstrates commitment to security controls appropriate for handling sales and customer data.

Attio: SOC 2 Type II certified; ISO 27001 in progress as of early 2026

3/5

SOC 2 certified. Demonstrates commitment to security controls appropriate for handling sales and customer data.

3/5

SOC 2 Type II certified; ISO 27001 in progress as of early 2026

Regulatory Fit

Suitability for regulated industries and professional services

Sybill: SOC 2 supports general enterprise sales use. Suitable for B2B sales teams. Not specifically designed for highly regulated industries.

Attio: Excellent EU fit; EU residency by default, UK legal entity, SOC 2 — good for regulated European B2B sales teams

2/5

SOC 2 supports general enterprise sales use. Suitable for B2B sales teams. Not specifically designed for highly regulated industries.

4/5

Excellent EU fit; EU residency by default, UK legal entity, SOC 2 — good for regulated European B2B sales teams

Total Score

12/25

20/25

Best For

Sybill

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

Attio

Best for teams that prioritise data retention & training (scores 3/5) and need a bronze-tier tool.

Detailed Comparison

Attio vs Sybill: Trust & Compliance Comparison

Attio (Attio, GB) scores 20/25 overall with a Silver (Strong) trust badge. London-based AI-native CRM built for modern B2B companies. Sybill (Sybill, US) scores 12/25 with a Bronze (Moderate) trust badge. AI assistant for sales calls that automates summaries, follow-ups, and CRM updates.

Dimension-by-Dimension Breakdown

#### Data Residency

Attio leads with 5/5 vs 2/5.

●Attio (5/5): EU data residency (AWS eu-west-1) is the default for all plans — not an enterprise add-on

●Sybill (2/5): Data hosted on US-based cloud infrastructure. No EU data residency option disclosed.

#### Legal Jurisdiction

Attio leads with 4/5 vs 2/5.

●Attio (4/5): UK entity (England and Wales); UK GDPR jurisdiction; no US parent; post-Brexit UK adequacy decision in place

●Sybill (2/5): US Delaware corporation. Subject to US jurisdiction and CLOUD Act.

#### Data Retention & Training

Attio leads with 4/5 vs 3/5.

●Attio (4/5): No training on CRM data; transparent about third-party AI services; DPA available for EU customers

●Sybill (3/5): Customer call data not used for model training. Data deletion available. Reasonable retention controls for sales data.

#### Certifications

Both score equally at 3/5.

●Attio (3/5): SOC 2 Type II certified; ISO 27001 in progress as of early 2026

●Sybill (3/5): SOC 2 certified. Demonstrates commitment to security controls appropriate for handling sales and customer data.

#### Regulatory Fit

Attio leads with 4/5 vs 2/5.

●Attio (4/5): Excellent EU fit; EU residency by default, UK legal entity, SOC 2 — good for regulated European B2B sales teams

●Sybill (2/5): SOC 2 supports general enterprise sales use. Suitable for B2B sales teams. Not specifically designed for highly regulated industries.

Certifications at a Glance

Certification	Attio	Sybill
SOC 2	No	Yes
SOC 2 Type II	Yes	No

Overall Verdict

Attio has a clear trust advantage, scoring 20/25 compared to Sybill's 12/25. Attio particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Sybill or Attio?

Sybill has a TrustKit score of 12/25 while Attio scores 20/25. Attio currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Sybill and Attio compare on data residency?

Sybill scores 2/5 for data residency (Data hosted on US-based cloud infrastructure. No EU data residency option disclosed.), while Attio scores 5/5 (EU data residency (AWS eu-west-1) is the default for all plans — not an enterprise add-on).

Are Sybill and Attio GDPR compliant?

Both tools are assessed across five compliance dimensions. Sybill has a regulatory fit score of 2/5 and Attio scores 4/5. Check the full comparison above for a detailed breakdown.

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