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Top 10 Best Due Diligence Questionnaire Software of 2026

Discover the top 10 due diligence questionnaire software to streamline your processes. Find the best tools to simplify due diligence today.

Alexander Schmidt

Alexander Schmidt

Feb 11, 2026

10 tools comparedExpert reviewed
Independent evaluation · Unbiased commentary · Updated regularly
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In today’s complex business environment, due diligence questionnaire (DDQ) software is a cornerstone of effective vendor risk management, enabling organizations to streamline compliance, accelerate risk assessments, and ensure thorough vendor evaluations. With a landscape of tools varying from AI-driven automators to enterprise-grade GRC platforms, choosing the right solution—one that aligns with specific needs—can significantly enhance operational efficiency and risk resilience.

Quick Overview

  1. 1#1: HyperComply - AI-powered platform that automates security questionnaire responses and due diligence processes for faster compliance.
  2. 2#2: Scrut - AI-driven automation for security reviews, DDQs, and vendor risk assessments with reusable response libraries.
  3. 3#3: Vanta - Automates compliance monitoring and questionnaire responses for SOC 2, ISO 27001, and due diligence workflows.
  4. 4#4: Drata - Continuous compliance platform that streamlines evidence collection and DDQ responses for trust management.
  5. 5#5: Secureframe - Cloud-based tool for automating security compliance and handling customer due diligence questionnaires efficiently.
  6. 6#6: Thoropass - Specializes in compliance automation, including rapid fulfillment of security questionnaires and DDQs.
  7. 7#7: OneTrust - Enterprise GRC platform with vendor risk management features for DDQ tracking and automated responses.
  8. 8#8: LogicGate - No-code GRC platform that enables customizable workflows for due diligence questionnaires and risk assessments.
  9. 9#9: Hyperproof - Compliance operations software that automates evidence gathering and DDQ response management.
  10. 10#10: ProcessUnity - Third-party risk management solution for assessing vendors through automated DDQ and questionnaire handling.

We selected and ranked these tools based on key factors such as automation capabilities, customization flexibility, user experience, and value proposition, ensuring a balanced assessment of performance, usability, and overall business impact.

Comparison Table

Navigating due diligence questionnaire software requires evaluating multiple options, including HyperComply, Scrut, Vanta, Drata, Secureframe, and more. This comparison table simplifies the process by detailing features, usability, and integration capabilities to help readers find the ideal tool for their needs.

AI-powered platform that automates security questionnaire responses and due diligence processes for faster compliance.

Features
9.9/10
Ease
9.4/10
Value
9.5/10
2Scrut logo9.1/10

AI-driven automation for security reviews, DDQs, and vendor risk assessments with reusable response libraries.

Features
9.4/10
Ease
8.7/10
Value
8.9/10
3Vanta logo8.7/10

Automates compliance monitoring and questionnaire responses for SOC 2, ISO 27001, and due diligence workflows.

Features
9.2/10
Ease
8.5/10
Value
8.0/10
4Drata logo8.6/10

Continuous compliance platform that streamlines evidence collection and DDQ responses for trust management.

Features
9.2/10
Ease
8.3/10
Value
8.0/10

Cloud-based tool for automating security compliance and handling customer due diligence questionnaires efficiently.

Features
9.1/10
Ease
8.3/10
Value
8.0/10
6Thoropass logo8.2/10

Specializes in compliance automation, including rapid fulfillment of security questionnaires and DDQs.

Features
8.7/10
Ease
8.0/10
Value
7.6/10
7OneTrust logo8.4/10

Enterprise GRC platform with vendor risk management features for DDQ tracking and automated responses.

Features
9.2/10
Ease
7.8/10
Value
7.9/10
8LogicGate logo8.4/10

No-code GRC platform that enables customizable workflows for due diligence questionnaires and risk assessments.

Features
8.8/10
Ease
8.2/10
Value
7.9/10
9Hyperproof logo8.1/10

Compliance operations software that automates evidence gathering and DDQ response management.

Features
8.5/10
Ease
7.8/10
Value
7.6/10
10ProcessUnity logo7.6/10

Third-party risk management solution for assessing vendors through automated DDQ and questionnaire handling.

Features
8.2/10
Ease
6.9/10
Value
7.3/10
1
HyperComply logo

HyperComply

specialized

AI-powered platform that automates security questionnaire responses and due diligence processes for faster compliance.

Overall Rating9.7/10
Features
9.9/10
Ease of Use
9.4/10
Value
9.5/10
Standout Feature

AI-driven auto-response engine that intelligently populates DDQs from a secure, updatable knowledge base

HyperComply is an AI-powered platform specializing in automating due diligence questionnaires (DDQs) for third-party risk management and vendor assessments. It provides a centralized library of over 100 pre-built questionnaires like SIG, CAIQ, and custom templates, enabling automated sending, response generation, and analysis. The tool uses AI to map vendor responses to risk scores, track remediation, and integrate with compliance workflows, drastically reducing manual effort from weeks to hours.

Pros

  • Extensive library of standardized and custom DDQs with AI auto-fill from knowledge base
  • Real-time risk scoring and remediation tracking dashboard
  • Seamless integrations with GRC tools like ServiceNow and Jira

Cons

  • Pricing is enterprise-focused and requires custom quotes
  • Advanced AI customization may have a learning curve
  • Limited free tier or trial for small teams

Best For

Mid-to-large enterprises and compliance teams handling high-volume vendor risk assessments.

Pricing

Custom enterprise pricing starting at approximately $10,000/year based on vendor volume; contact sales for demo and quote.

Visit HyperComplyhypercomply.com
2
Scrut logo

Scrut

specialized

AI-driven automation for security reviews, DDQs, and vendor risk assessments with reusable response libraries.

Overall Rating9.1/10
Features
9.4/10
Ease of Use
8.7/10
Value
8.9/10
Standout Feature

AI Question Matcher that semantically analyzes questionnaires and auto-generates responses from your mapped controls and docs

Scrut (scrut.io) is an AI-powered GRC platform specializing in automating due diligence questionnaires (DDQs), security assessments, and vendor risk management. It intelligently parses incoming questionnaires, matches questions to internal controls and documentation, and generates accurate responses to slash manual effort by up to 80%. The tool also supports audit workflows, policy management, and compliance reporting, providing a unified dashboard for security and compliance teams.

Pros

  • AI-driven auto-response generation dramatically reduces DDQ turnaround times
  • Vast library of 1,000+ pre-built questionnaires and templates
  • Strong integrations with Google Workspace, Jira, and control frameworks like NIST/SCF

Cons

  • Pricing lacks transparency and can be high for smaller teams
  • AI responses sometimes need human review for nuanced questions
  • Steeper learning curve for non-technical compliance users

Best For

Mid-sized SaaS companies and enterprises with high-volume vendor security reviews and DDQs.

Pricing

Custom enterprise pricing via contact sales; typically starts at $10,000+/year based on users and questionnaire volume, with no public free tier.

Visit Scrutscrut.io
3
Vanta logo

Vanta

enterprise

Automates compliance monitoring and questionnaire responses for SOC 2, ISO 27001, and due diligence workflows.

Overall Rating8.7/10
Features
9.2/10
Ease of Use
8.5/10
Value
8.0/10
Standout Feature

Automated continuous control monitoring with real-time evidence generation mapped directly to DDQ questions

Vanta is a comprehensive compliance automation platform that helps organizations achieve and maintain certifications like SOC 2, ISO 27001, and GDPR while automating responses to due diligence questionnaires (DDQs). It continuously monitors controls across integrated tools, collects evidence automatically, and maps responses to common security questionnaires for efficient vendor and investor due diligence. The platform also includes a customizable trust center for sharing audit reports and DDQ answers securely.

Pros

  • Extensive integrations (100+) for automated evidence collection and monitoring
  • Robust DDQ automation with control mapping to standard frameworks
  • Customizable trust center for seamless sharing of compliance docs

Cons

  • Premium pricing may be steep for small teams or DDQ-only needs
  • Initial setup requires significant configuration and expertise
  • Broader compliance focus can feel overwhelming for pure questionnaire automation

Best For

Mid-market to enterprise companies in regulated industries needing integrated compliance monitoring and DDQ response automation.

Pricing

Custom enterprise pricing starting at ~$10,000/year, scaling with employee count and modules.

Visit Vantavanta.com
4
Drata logo

Drata

enterprise

Continuous compliance platform that streamlines evidence collection and DDQ responses for trust management.

Overall Rating8.6/10
Features
9.2/10
Ease of Use
8.3/10
Value
8.0/10
Standout Feature

One-click evidence export and control mapping that auto-populates DDQ responses with verified, real-time data

Drata is a compliance automation platform that supports due diligence questionnaire (DDQ) processes by continuously monitoring security controls, automating evidence collection, and mapping responses to frameworks like SOC 2, ISO 27001, and GDPR. It enables teams to generate accurate, audit-ready answers for vendor assessments without manual effort. With over 300 integrations, Drata pulls real-time data to keep DDQ responses up-to-date and defensible.

Pros

  • Automated evidence collection from 300+ integrations
  • Multi-framework control mapping for standardized DDQ responses
  • Real-time monitoring ensures always-current compliance posture

Cons

  • Initial setup requires significant configuration
  • More focused on full compliance automation than standalone DDQs
  • Enterprise-level pricing may not suit smaller teams

Best For

Mid-to-large enterprises handling frequent security audits and complex vendor DDQs across multiple compliance frameworks.

Pricing

Custom quote-based pricing, typically starting at $15,000-$25,000 annually based on employee count and frameworks.

Visit Dratadrata.com
5
Secureframe logo

Secureframe

enterprise

Cloud-based tool for automating security compliance and handling customer due diligence questionnaires efficiently.

Overall Rating8.6/10
Features
9.1/10
Ease of Use
8.3/10
Value
8.0/10
Standout Feature

Automated multi-framework evidence collection that dynamically populates DDQ responses

Secureframe is a compliance automation platform designed to help companies achieve and maintain certifications like SOC 2, ISO 27001, and GDPR by automating evidence collection and policy management. It supports due diligence questionnaires (DDQs) through a centralized trust center where customers can access automated security questionnaires and reports. The platform integrates with cloud services and tools to continuously collect evidence, streamlining vendor and customer diligence processes.

Pros

  • Automated evidence mapping across multiple frameworks
  • Integrated trust portal for self-service DDQ responses
  • Seamless integrations with tools like AWS, GitHub, and Slack

Cons

  • Custom pricing lacks transparency for smaller teams
  • Steeper learning curve for non-compliance experts
  • Limited advanced customization for highly specialized DDQs

Best For

Mid-sized SaaS companies scaling compliance programs while managing frequent customer and vendor security questionnaires.

Pricing

Quote-based pricing starting around $20,000 annually, scaling with company size and features.

Visit Secureframesecureframe.com
6
Thoropass logo

Thoropass

specialized

Specializes in compliance automation, including rapid fulfillment of security questionnaires and DDQs.

Overall Rating8.2/10
Features
8.7/10
Ease of Use
8.0/10
Value
7.6/10
Standout Feature

AI Auto-Responder that intelligently generates 80-90% of questionnaire answers from your evidence library

Thoropass is a compliance automation platform designed to streamline due diligence questionnaires (DDQs), security questionnaires, and RFPs using AI-driven response generation from a centralized evidence library. It enables teams to automate vendor risk assessments, map controls across frameworks like SOC 2 and ISO 27001, and collaborate efficiently on compliance tasks. The tool reduces manual effort by auto-populating answers and tracking questionnaire progress in real-time.

Pros

  • AI-powered questionnaire responder accelerates response times significantly
  • Centralized knowledge base and evidence management simplifies compliance workflows
  • Strong integrations with tools like Jira, Slack, and GSuite enhance team collaboration

Cons

  • Enterprise-focused pricing lacks transparency and public tiers
  • Steeper learning curve for non-compliance experts
  • Limited customization options for non-standard DDQ formats

Best For

Compliance and security teams in mid-to-large enterprises handling high volumes of vendor DDQs and regulatory audits.

Pricing

Custom enterprise pricing starting at around $10K/year; contact sales for quotes based on usage and features.

Visit Thoropassthoropass.com
7
OneTrust logo

OneTrust

enterprise

Enterprise GRC platform with vendor risk management features for DDQ tracking and automated responses.

Overall Rating8.4/10
Features
9.2/10
Ease of Use
7.8/10
Value
7.9/10
Standout Feature

Vendorpedia: Access to the world's largest repository of 20,000+ standardized vendor assessment questionnaires.

OneTrust is a leading governance, risk, and compliance (GRC) platform with a dedicated Vendor Risk Management module that excels in automating due diligence questionnaires (DDQs) for third-party assessments. It provides access to Vendorpedia, the world's largest library of over 20,000 standardized questionnaires, along with workflow automation, risk scoring, and remediation tracking. The platform integrates seamlessly with broader privacy and security tools, making it suitable for enterprise-scale vendor risk management.

Pros

  • Extensive Vendorpedia library with 20,000+ pre-built DDQs and templates
  • Advanced automation, AI-powered risk scoring, and customizable workflows
  • Strong integrations with enterprise GRC ecosystems for holistic risk management

Cons

  • Complex setup and steep learning curve for non-experts
  • Enterprise-level pricing that's prohibitive for SMBs
  • Feature bloat from broader GRC suite can overwhelm simple DDQ needs

Best For

Large enterprises and compliance teams managing high-volume third-party risk assessments across global operations.

Pricing

Custom enterprise pricing via quote; typically starts at $50,000+ annually based on modules, users, and scale.

Visit OneTrustonetrust.com
8
LogicGate logo

LogicGate

enterprise

No-code GRC platform that enables customizable workflows for due diligence questionnaires and risk assessments.

Overall Rating8.4/10
Features
8.8/10
Ease of Use
8.2/10
Value
7.9/10
Standout Feature

Drag-and-drop Process Designer for building intelligent, automated DDQ workflows without coding

LogicGate is a cloud-based Governance, Risk, and Compliance (GRC) platform that supports due diligence questionnaires (DDQs) through its customizable assessment and workflow tools. It enables users to design dynamic questionnaires, automate response collection and review processes, and integrate DDQs into broader risk management workflows. The platform provides real-time tracking, AI-driven insights, and reporting to streamline vendor and third-party due diligence.

Pros

  • Highly customizable no-code workflows for tailored DDQs
  • Real-time collaboration and automated reminders for responses
  • Strong analytics and integration with enterprise tools like Salesforce

Cons

  • Enterprise-focused pricing may be steep for mid-sized firms
  • Initial setup requires time to configure complex processes
  • More general GRC platform than DDQ-specific tools

Best For

Enterprises in finance, insurance, or regulated industries needing integrated GRC with advanced DDQ capabilities.

Pricing

Quote-based enterprise pricing; typically starts at $50,000+ annually depending on users and modules.

Visit LogicGatelogicgate.com
9
Hyperproof logo

Hyperproof

enterprise

Compliance operations software that automates evidence gathering and DDQ response management.

Overall Rating8.1/10
Features
8.5/10
Ease of Use
7.8/10
Value
7.6/10
Standout Feature

Autopilot automation for continuous evidence collection and mapping directly tied to DDQ responses

Hyperproof is a compliance operations platform designed to automate governance, risk, and compliance (GRC) processes, with strong capabilities for managing due diligence questionnaires (DDQs) in vendor risk assessments. It enables teams to build customizable questionnaires, automate distribution and reminders, collect responses via a secure vendor portal, and generate risk scores with evidence mapping. The tool integrates DDQ workflows with continuous monitoring and audit-ready reporting for a holistic compliance view.

Pros

  • Automated workflows for DDQ creation, sending, and tracking
  • Robust integrations with cloud providers and ITSM tools
  • Real-time dashboards and risk scoring for quick insights

Cons

  • Enterprise pricing can be prohibitive for smaller teams
  • Initial setup requires compliance expertise
  • Limited templates for industry-specific DDQs outside tech/security

Best For

Mid-to-large enterprises with dedicated compliance teams handling high-volume vendor due diligence in regulated industries like tech and finance.

Pricing

Custom enterprise pricing; typically starts at $25,000/year for basic plans, scaling with users and features (contact sales required).

Visit Hyperproofhyperproof.io
10
ProcessUnity logo

ProcessUnity

enterprise

Third-party risk management solution for assessing vendors through automated DDQ and questionnaire handling.

Overall Rating7.6/10
Features
8.2/10
Ease of Use
6.9/10
Value
7.3/10
Standout Feature

Pre-built library of 100+ industry-standard DDQ templates with AI-enhanced risk scoring

ProcessUnity is a comprehensive Governance, Risk, and Compliance (GRC) platform with strong third-party risk management capabilities, including automated due diligence questionnaires (DDQs) for vendor assessments. It enables organizations to create, distribute, track, and analyze DDQs with risk scoring, workflow automation, and continuous monitoring. The solution integrates with enterprise systems to provide a unified view of vendor risks and compliance.

Pros

  • Robust automation and workflows for DDQ management and vendor onboarding
  • Extensive library of pre-built, industry-standard questionnaires
  • Strong analytics, risk scoring, and reporting for compliance teams

Cons

  • Complex interface with a steep learning curve for non-experts
  • Enterprise-focused pricing that may not suit smaller organizations
  • Broader GRC scope can overwhelm users focused solely on DDQs

Best For

Mid-to-large enterprises requiring integrated third-party risk management with scalable DDQ automation.

Pricing

Quote-based subscription pricing, typically starting at $50,000+ annually depending on vendors assessed and users; no public tiers.

Visit ProcessUnityprocessunity.com

Conclusion

The reviewed due diligence questionnaire software provides robust tools for streamlining compliance and vendor risk management, with HyperComply leading as the top choice—its AI-powered automation excelling in accelerating workflows. Scrut and Vanta stand out as strong alternatives, offering reusable response libraries and seamless framework tracking, respectively, to suit diverse needs.

HyperComply logo
Our Top Pick
HyperComply

Take the first step toward efficient compliance by testing HyperComply, or explore Scrut and Vanta to find the ideal fit for your specific due diligence requirements.