DDQ Software: Best Tools to Streamline Due Diligence Questionnaires

Due diligence questionnaires (DDQs) may represent an exciting new business opportunity, but completing them is often a complex and time-consuming task—a challenge faced by 47% of response teams, according to the 2025 RFP Response Trends & Benchmarks Report.

This process can be especially demanding in industries like SaaS, fintech, and investment management, where security and compliance standards are high. Teams often spend days—or even weeks—manually gathering input from subject matter experts, tracking down documentation, and ensuring every answer aligns with both internal policies and external regulations.

With the right DDQ software, however, this process becomes far more manageable. These platforms streamline due diligence by storing pre-approved answers, automating draft responses, and enabling real-time collaboration across security, compliance, and sales teams. The result is faster turnarounds, fewer errors, and stronger responses that build confidence with prospects and partners alike.

In this guide, we’ll review the best DDQ software platforms of 2025, compare their core features, and help you determine which solution best fits your organization’s needs.

What is DDQ Software?

DDQ software, short for due diligence questionnaire software, helps organizations efficiently manage and respond to detailed due diligence requests. During the due diligence process, companies are often asked to provide extensive information about their operations, finances, security practices, governance, and legal standing. Without the right tools, gathering this information across teams can take days or even weeks. DDQ software simplifies this process by enabling teams to create accurate, consistent, and compliant responses faster.

Modern DDQ software is purpose-built for handling security questionnaires, vendor due diligence, and regulatory information requests. The best DDQ platforms can automatically extract questions from documents, store approved responses in a centralized knowledge base, generate draft answers, and support seamless cross-functional collaboration. Many tools also include compliance tracking and reporting features to ensure every response meets industry standards.

Unlike general RFP response tools, DDQ software is designed to meet the strict demands of compliance and information security reviews. It not only speeds up response times but also helps your organization deliver polished, trustworthy answers that build confidence with clients, partners, and regulators.

In this article, we’ll review some of the top vendors in this space:

1. Loopio
2. Qvidian
3. RocketDocs
4. Responsive
5. 1up
6. Inventive AI
7. Conveyor

Why Do Organizations Need DDQ Software? (And What Are The Benefits)

For many organizations, responding to DDQs is a tedious, manual process that stretches over many days. Each questionnaire often requires input from multiple departments, including security, compliance, product, and legal. Tracking down the right information, verifying accuracy with busy SMEs, and ensuring responses meet compliance standards typically involves endless back-and-forth emails, version control issues, and duplicated effort.

DDQ software accelerates this process, and the impact can be significant. For example, HedgeServ, a global fund administrator, reduced its DDQ response time from days to hours by adopting Loopio, a leading DDQ software.

The benefits of DDQ software are multi-fold:

• Faster turnaround times: DDQ platforms dramatically shorten response cycles. For instance, HedgeServ saved 2.5 days per DDQ after implementing Loopio, allowing them to focus on other critical tasks.
• Greater efficiency through project tracking: Built-in dashboards make it easy to assign tasks, monitor progress, and identify bottlenecks before they cause delays. HedgeServ found that project tracking features made their entire DDQ process more organized and predictable.
• Content reuse that saves SME time: A centralized, searchable library of approved answers eliminates the need to start from scratch with every questionnaire. HedgeServ noted that reusing existing content significantly reduced the workload for their subject matter experts.
• Easier collaboration across departments: Instead of juggling endless email threads and version conflicts, DDQ software brings all contributors into one shared workspace. HedgeServ shared that collaboration between teams became faster and far more efficient once they moved to Loopio.

Together, these benefits add up to a faster, more reliable, and less stressful due diligence process—helping teams deliver stronger, more consistent responses that foster trust and boost win rates.

How to Choose the Right DDQ Software

With various DDQ software options on the market, finding the right fit for your organization will depend on a combination of factors, such as your company’s size, security needs, and the complexity of your due diligence process. Before making a decision, it’s important to evaluate how each tool handles different key features.

Key Feature	Why It Matters
Content Library & Knowledge Management	Save time and improve accuracy with a centralized, searchable library of approved responses. This single source of truth lets AI instantly surface the best answer for each DDQ question.
Collaboration Tools	Eliminate duplicate work by enabling teams to co-edit responses, assign tasks to SMEs, and track progress in one collaborative workspace.
Automation & AI	Accelerate the DDQ process with automation and AI that generate first drafts from existing content—cutting down manual effort and review time.
Integrations	Maintain consistency by automatically pulling the most up-to-date company data from CRMs, compliance platforms, and content repositories.
Security & Compliance	Reduce risk with built-in access controls, encryption, and audit trails. Leading DDQ software also supports standards like SOC 2 and ISO 27001 to meet rigorous regulatory requirements.
Analytics & Reporting	Tracking key metrics such as time saved, content usage, and completion rates allows teams to continually refine their response workflows.
Scalability & Support	Ensure long-term success by choosing a DDQ software that can adapt to increasing DDQ volumes and offers reliable onboarding, training, and customer support.

Best DDQ Software & Tools to Try This Year

We’ve rounded up six top DDQ platforms for you to consider. Read on to learn how they each handle the due diligence process.

Loopio

We’ll admit it—we’re a little biased putting Loopio first on this list. But we do it with good reason. As one of the most trusted platforms for managing DDQ and RFP responses, Loopio has become a go-to solution for teams that need to deliver fast, accurate, and compliant answers at scale. Trusted by over 1,700 companies worldwide and backed by a 4.7/5 rating on G2 from more than 700 reviews, Loopio streamlines even the most complex due diligence workflows.

Loopio’s AI weaves together powerful content management, automation, and collaboration tools to help teams work more efficiently. From automatically detecting questions to suggesting the right answers from a pre-approved content library, Loopio carries DDQs to the finish line while maintaining accuracy, consistency, and security throughout the entire process.

In Loopio, you’re getting the best RFP software and DDQ automation solution. Key benefits include:

• Always up-to-date information: Easily store, search, and update approved responses with the help of smart content management tools. Thoughtful integrations ensure consistency across teams and keep information accurate organization-wide.
• Automated answer completion: Auto-fill responses using existing, vetted content to reduce manual effort—while robust security measures keep your data protected at every step.
• Simplified due diligence reviews: Assign tasks, track progress, and manage SME reviews in a user-friendly workspace. Built-in audit trails provide full visibility whenever you need it.

Loopio’s DDQ software ensures every response is reviewed by the right people at the right time—so nothing slips through the cracks. Once everything is approved, you can easily export your responses in their original format to seamlessly close the loop. Whether you’re managing vendor assessments, compliance reviews, or investment questionnaires, Loopio helps your team save time, stay organized, and build trust with every response.

Qvidian

Qvidian is a mature DDQ and RFP response solution built for large or highly regulated organizations that require strict control, auditability, and consistency. With a 4.3 rating on G2 from nearly 150 reviews, Qvidian is a trusted choice for enterprises seeking powerful automation and robust governance.

Its compliance-focused content management system maintains detailed audit trails by tracking user actions, while customizable review workflows ensure the right decision-makers are involved in approvals. Teams can achieve time savings by updating standard responses at once, automatically identifying key sections in a DDQ, and inserting approved library content in bulk. Built-in collaboration tools, in-product messaging, and intelligent workflows also help to support teamwork.

RocketDocs

RocketDocs is another response management solution known for helping teams automate complex DDQs and RFPs. It has a 4.2 rating on G2 from over 100 reviews, with users appreciating its effective content library and positive customer support.

The platform speeds up DDQ responses by parsing questionnaire documents, applying customizable templates, and auto-filling responses from an approved knowledge base. Its private, generative AI engine further reduces manual input and minimizes the risk of errors. To maintain security and compliance, RocketDocs includes access controls, data encryption, and audit trails. Meanwhile, collaboration tools and version control help to keep teams aligned.

Responsive

Responsive is a DDQ platform well-suited for mid-sized to large organizations that handle frequent security and due diligence questionnaires. It’s recognized as an established tool in the space and holds a 4.5 rating on G2 from more than 1,000 reviews.

This DDQ software combines a centralized content library with AI-powered automation to produce accurate, compliant answers from approved content. Responsive’s AI cuts manual work by importing questionnaires from Word, Excel, or PDF files, automatically identifying questions, and drafting first-pass responses for SMEs to review and refine. When a custom response is needed, users can turn to Responsive Ask, a conversational AI tool that helps craft tailored answers from existing library content.

Additionally, teams can stay in sync through guided workflows, task assignments, and SME review tools, while native integrations with Slack, Microsoft Teams, and Google Chat support efficient communication and collaboration across departments.

1up

1up is a newer, AI-first DDQ platform that can appeal to smaller teams and growing businesses looking to automate their due diligence workflows. It currently has a 4.9 rating on G2, though this is based on a relatively small sample of 23 reviews.

This solution works by ingesting internal documents to build an intelligent knowledge base, which it then uses to automatically complete DDQs with traceable, source-linked answers. It supports multiple file types and can return responses in the original questionnaire format, helping to reduce time spent on manual formatting. To ensure accuracy and quality, 1up draws only from verified content and includes built-in proofreading to refine grammar and consistency before submission.

While 1up may not yet be as feature-rich as some of the more established platforms, its AI-driven workflow offers a compelling option for smaller organizations seeking to modernize their DDQ process.

Inventive AI

Inventive AI is another newer, AI-driven DDQ platform that may be a good option for smaller teams. It currently holds a 5-star rating on G2, though this is based on only 26 reviews.

To build a centralized knowledge hub, Inventive AI pulls data from sources like Google Drive, SharePoint, internal file systems, websites, and legacy Q&A documents. Its AI content manager automatically flags outdated or conflicting material to help maintain accuracy and compliance. Meanwhile, advanced language models generate context-aware answers.

Collaboration is supported through section-level assignments, task reminders, and real-time tracking. Inventive AI also includes audit-ready governance, with version control and role-based access to ensure sensitive data remains secure throughout the DDQ process.

Conveyor

Conveyor is designed to automate end-to-end trust workflows, from managing questionnaires to hosting a customer-facing Trust Center. With a 4.6-star rating on G2 from around 100 reviews, the platform helps organizations streamline due diligence and security review processes while maintaining transparency and control.

Conveyor builds a low-maintenance content library by connecting to internal sources such as file systems, websites, and trust documentation, keeping information synced and accurate. Its AI Agents can then auto-complete questionnaires—including those in online portals—directly from these sources, ensuring high accuracy and low hallucination rates.

In addition, teams can set up a Trust Center where prospects can securely access documents or receive AI-generated answers behind NDA gates, reducing the volume of manual security review requests. Every response in Conveyor is traceable back to its source, and the platform includes audit-ready governance with version control and role-based access to maintain compliance and data security.

Why We Recommend Loopio as the Best DDQ Platform

When evaluating DDQ software, the best choice ultimately comes down to your organization’s size, complexity, and security priorities. AI-first tools like 1up and Inventive AI are great for smaller teams that need speed and simplicity. Responsive and Qvidian deliver advanced workflows and integrations for mid-sized and enterprise organizations managing higher volumes. And Conveyor stands out for its customer-facing portal and security-focused automation.

But if you’re looking for a platform that delivers proven results across every dimension—efficiency, accuracy, and scalability—Loopio is the clear standout. Trusted by more than 1,600 companies worldwide, Loopio blends AI-powered automation, a robust content library, and intuitive collaboration tools to streamline even the most complex due diligence workflows. 

With a 4.7/5 rating on G2, backed by hundreds of verified reviews, Loopio continues to set the standard for DDQ software—helping teams work smarter, respond faster, and build trust with every answer.