EY vs OneTrust: DORA Compliance Services Compared
Quick verdict: EY ranks higher overall (85/100 vs 68/100) on our methodology, largely on big 4 strengths. Choose OneTrust if its focus on banks or its premium pricing fits your situation better.
| Criteria | EY | OneTrust |
|---|---|---|
| Rating | 4.4 out of 5 | 4.0 out of 5 |
| Overall score | 85/100 | 68/100 |
| Category | Big 4 | GRC platform |
| Headquarters | London, United Kingdom | Atlanta, United States |
| Founded | 1989 | 2016 |
| Pricing band | Enterprise | Premium |
| Gap assessment | Yes | No |
| DORA audit | Yes | No |
| Consulting | Yes | Yes |
| Resilience / pen testing | Yes | No |
| TPP register | Yes | Yes |
| Entity types served | 4 | 4 |
Where EY is strong
- Strong cyber and technology-risk practice aligned to DORA's ICT pillars
- Wide EU geographic footprint and supervisory experience
- Comprehensive service range across the DORA lifecycle
Where OneTrust is strong
- Mature GRC tooling to operationalise third-party risk and register requirements
- Scales control management and evidence collection across large estates
- Strong workflow automation for ongoing compliance monitoring
Which should you choose?
Choose EY if…
- You are a banks.
- You want enterprise-tier engagement economics.
- You prioritise strong cyber and technology-risk practice aligned to dora's ict pillars.
Choose OneTrust if…
- You are a banks.
- You want premium-tier engagement economics.
- You prioritise mature grc tooling to operationalise third-party risk and register requirements.
Frequently asked questions
Is EY or OneTrust better for DORA compliance?
EY scores higher against our methodology (85/100 vs 68/100), but the right choice depends on your entity type, budget, and which pillars you need most.