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Independent Analysis

Diligent vs OneTrust: Which Compliance Platform is Better in 2026?

Compare Diligent and OneTrust head-to-head. See pricing, features, integrations, and our expert verdict on which compliance automation platform is right for your business.

Summary

Updated February 2026

Both Diligent and OneTrust are established compliance automation platforms. Your choice depends on team size, budget, and compliance scope.

Diligent

  • Starting at Contact Sales
  • Best for: Organizations running multi-framework compliance programs

OneTrust

  • Starting at $25,000/year
  • Best for: Global enterprises with privacy-focused compliance
Last updated Feb 2026By RiscLens Research TeamOur methodology350 reviews analyzed

Sources: G2 Crowd, Capterra, Vendor Documentation, User Interviews

Independent research·No vendor payments·Updated Feb 2026
Feature
Diligent
OneTrust
Industry Fit
Scaling and enterprise security teams
Enterprise
Multi-Framework Support
3+ frameworks (SOC 2, ISO 27001, PCI DSS)
50+ frameworks (GDPR, CCPA, ISO 27001)
Common Frameworks
SOC 2, ISO 27001
SOC 2, ISO 27001
Starting Price
Contact Sales
$25,000/year
Auditor Included
Integrations
20+
200+
Frameworks Supported
3+
50+
Automation Level
Moderate
High
G2 Rating
N/A
4.3/5 (350 reviews)
Best For
Organizations running multi-framework compliance programs
Global enterprises with privacy-focused compliance

Pricing Comparison

Diligent

Starting PriceContact Sales
Typical RangeCustom enterprise pricing
Hidden CostsImplementation services, premium integrations, and audit support can increase total cost.
Auditor IncludedNo (separate fee)
Full Pricing Guide →

OneTrust

Starting Price$25,000/year
Typical Range$25,000 - $500,000+/year
Hidden CostsImplementation and consulting
Auditor IncludedNo (separate fee)
Full Pricing Guide →

Both platforms typically require a custom quote, though Contact Sales is the reported starting point. For 2026, we recommend Diligent for centralized compliance execution with diligent and OneTrust for privacy-first compliance automation.

Our Verdict

Choose Diligent if: Organizations running multi-framework compliance programs

Choose OneTrust if: Global enterprises with privacy-focused compliance

Bottom Line: OneTrust is designed for enterprise scale. Diligent is a better fit for Scaling and enterprise security teams.

Diligent Pros & Cons

Pros

  • Structured compliance workflows
  • Support for audit preparation

Cons

  • Typically requires onboarding and implementation planning

OneTrust Pros & Cons

Pros

  • Industry leader in privacy
  • Comprehensive consent management
  • Global regulation coverage
  • Enterprise scale
  • Strong data discovery

Cons

  • Very high cost
  • Long implementation cycles
  • May be overkill for SOC 2 only

Best-fit snapshot

Diligent

  • Best fit: Organizations running multi-framework compliance programs
  • Frameworks: SOC 2, ISO 27001, PCI DSS
  • Integrations: 20+ supported systems
  • Target market: Scaling and enterprise security teams

OneTrust

  • Best fit: Global enterprises with privacy-focused compliance
  • Frameworks: GDPR, CCPA, ISO 27001, SOC 2
  • Integrations: 200+ supported systems
  • Target market: Enterprise

Frequently Asked Questions

Is Diligent cheaper than OneTrust?

Pricing varies based on company size and requirements. Request quotes from both vendors for accurate comparison.

Which is better for startups: Diligent or OneTrust?

Neither platform is specifically designed for startups. Consider alternatives like Vanta, Sprinto, or Secureframe for early-stage companies.

Can I switch from Diligent to OneTrust?

Yes, most compliance platforms support data export. However, evidence migration may require manual effort. Both Diligent and OneTrust offer onboarding support for migrating customers.

Do Diligent or OneTrust include audit services?

Neither Diligent nor OneTrust include audit services in their base pricing. You will need to engage a separate auditor, typically costing $8,000-$25,000 additionally.

About this data: Our research team reviews and verifies platform information through vendor relationships, public documentation, and market analysis. Data is updated regularly.

Learn about our methodology →

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