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vsOneTrust

Proteus-Cyber vs OneTrust

Last updated October 2026

Looking for a European alternative to OneTrust? Here's how Proteus-Cyber compares, on EU hosting, GDPR and what it does.

Our pick for a European buyer: Proteus-Cyber. We weight data residency, GDPR and EU jurisdiction above everything else — that is the constraint this directory exists to solve.

Proteus-Cyber
OneTrust
What it is
Data privacy management platform for GDPR, CCPA and global compliance
Privacy, governance, and compliance management platform.
Headquarters
🇬🇧 GB
🇺🇸 US · 2016
EU data residency
not established
Available on some plansEU data residency is available on request for certain modules.
DSGVO / GDPR
Yes
Yes
Certifications
No
ISO/IEC 27001, SOC 2 Type II
Price from
No
No
Free plan
No
No
Open Source
No
No
Ratings
No
No
Integrations
Workday, Oracle, Xero, Microsoft, BambooHR
No

Where each one wins

Proteus-Cyber

Limitations

  • −Research provided does not contain user sentiment for Proteus-Cyber

OneTrust

Strengths

  • +Comprehensive feature set for global compliance
  • +Strong audit and reporting capabilities
  • +Scalable for enterprise needs

Limitations

  • −Complex setup and configuration
  • −High cost for full suite
  • −Steep learning curve for new users

Data residency & compliance

Proteus-Cyber
OneTrust
EU data residency
not established
Available on some plansEU data residency is available on request for certain modules.
Transfer mechanism
not established
not established
DPA
not established
not established
Sub-processors
not established
Listed →
Certifications
No
ISO/IEC 27001, SOC 2 Type II

Features

Proteus-Cyber

Compliance Management
GDPR, CCPA, CPRA, LGPD and global regulation support, DPO toolkit for process modeling and data mapping, Automated Record of Processing Activities (RoPA), Data Protection Impact Assessments (DPIA)
Risk and Governance
Vendor risk management, AI governance workflows, Evidence collection and audit trails, Policy and control frameworks
Data Mapping and Process Modeling
Business process modeling, Data flow mapping, Data inventory and classification, Cross-border data transfer tracking

OneTrust

Privacy Management
Automated data subject request workflows, Consent and preference management, Cookie and tracking compliance, Privacy impact assessments
Governance & Compliance
Regulatory change tracking, Policy and control management, Third-party risk assessments, Audit and reporting tools
Data Discovery & Mapping
Automated data scanning, Data flow mapping, Data inventory management, Sensitive data classification
See Proteus-Cyber →More OneTrust alternatives