Home Due diligence audit: Importance, steps, and tools for a smooth flow
16 May 2024

Due diligence audit: Importance, steps, and tools for a smooth flow

Gilbert Waters 20 min read

A health check-up provides insights into a person’s overall health and identifies concerns. A due diligence audit uncovers critical information that impacts the deal’s success and risk profile. Essentially, it is like a check-up for your company before big changes. The importance is undeniable, isn’t it?

In our post, we will explore the due diligence audit procedure and present online solutions for resolving the challenges, including data security, information gathering complexity, and document accuracy.

👁️‍🗨️Learn more: The complete due diligence checklist for 2024

What is a due diligence audit?

A due diligence audit is an internal audit that a company conducts to ensure its readiness for sale. Specifically, this procedure anticipates and mitigates potential issues that may arise throughout a typical M&A due diligence process. For instance, a broker-dealer provides an investor with a due diligence report to ensure the investor is fully informed and cannot hold the broker-dealer responsible for losses.

Unlike a routine audit report, a due diligence report is more thorough and comprehensive. It enhances transparency and credibility for prospective buyers and investors by analyzing the target’s financial performance, the company’s business practices, legal compliance, operational efficiency, market positioning, etc.

Why is a due diligence audit important?

In short, a transaction with a due diligence audit is more likely to succeed. If any problems come up, this audit will likely reveal and resolve them. Essentially, it is like getting a thorough inspection of your car before hitting the road.

To give you a better insight into the importance of the due diligence procedure, we invite you to explore it from both the buyer’s and seller’s perspective.

For a buyer

A due diligence audit allows buyers to do the following:

  • Identify hidden liabilities, pending legal issues, or operational challenges
  • Validate the valuation of the target based on its financial performance, market position, and growth prospects
  • Negotiate better terms following the audit, such as adjusting the purchase price or including specific indemnifications in the sale agreement
  • Plan for post-acquisition integration, anticipating challenges and developing strategies for a smooth transition


A technology company interested in acquiring a smaller software development firm conducts a due diligence audit. It discovers that the target has pending litigation related to intellectual property infringement. Based on insights from the investigation, the technology company negotiates with the seller to adjust the purchase price slightly lower. In this example, the due diligence audit enables the buyer to make informed decisions, mitigate risks, and negotiate terms that reflect the true value and potential of the target.

For a seller

A due diligence audit allows sellers to do the following:

  • Enhance the credibility of the target in the eyes of potential buyers
  • Identify areas for improvement within their company’s operations or financial management
  • Streamline the transaction process and expedite negotiations increasing the likelihood of successful deal closure
  • Highlight the unique strengths and value drivers of the target organization


A manufacturing company is preparing to sell its business to a larger competitor. During the due diligence process, the seller’s team identifies operational inefficiencies in the supply chain and outdated manufacturing equipment. By addressing these issues proactively, the company not only improves operational performance but also enhances the business’s attractiveness to buyers.

To sum up, a due diligence audit for both buyers and sellers in M&A transactions is an important step. It facilitates informed decision-making, mitigates risks, enhances transparency, and contributes to the successful completion of the transaction.

Next, we invite you to see how to conduct the procedure.

What are the stages of a due diligence audit?

Typically, the due diligence activities include the following steps:

Due diligence stepDue diligence processGoal
Financial due diligenceReview the company’s financial records, including the following: company’s financial statementscash flow statementsbalance sheetstax returnsAssess the company’s financial health, identify potential risks or liabilities, and validate the accuracy of related data.
Legal due diligenceExamine the legal aspects of the target, including the following: contractsagreementsleasesintellectual property rightslitigation historyregulatory compliancecorporate governanceCheck for legal risks, liabilities, or pending legal issues.
Operational due diligenceEvaluate the target company’s operational aspects, including the following: production processessupply chain managementdistribution channelscustomer relationships technology infrastructureoverall business operationsGauge operational efficiency, identify potential synergies, and understand the company’s capabilities and potential for growth.
HR due diligenceReview human resources-related data within the target company, including the following: employee contractsorganizational structurecompensation plansbenefits programsworkforce demographicstalent management practicesMeasure the quality and stability of the workforce, spot HR-related risks or issues, and evaluate cultural alignment for post-acquisition integration.
Tax due diligenceExamine the target company’s tax-related aspects, including the following: tax filingstax positionshistorical tax liabilitiestransfer pricing policiespotential tax exposuresAssess tax compliance and explore tax risks or exposures.

While each due diligence step serves a specific purpose in assessing a target company, common challenges may arise during the process. These include incomplete or disorganized documents, poor compliance, and confidentiality concerns.

👁️‍🗨️Learn more: The four biggest due diligence challenges | Legal Blog 

By the end of this post, we will tell you how to prevent these difficulties and make a due diligence audit a breeze. But first, look at the advantages of this procedure for companies.

How does a due diligence audit benefit the company?

To put it simply, the procedure is all about avoiding surprises, spotting red flags, and making sure we are not buying “lemon” companies. In more detail, a due diligence audit benefits a company in the following ways:

1. Risk identification and mitigation

A due diligence audit proactively recognizes and thoroughly assesses company specific risks associated with a transaction. In particular, it brings to light financial liabilities, legal issues, operational challenges, or regulatory compliance concerns. You can ensure that your company stays protected and secure by implementing strategies to mitigate these risks identified during the due diligence audit.

2. Enhanced negotiation power

Insights from the due diligence can allow you to negotiate better terms and conditions for the transaction. They may include negotiating the purchase price, adjusting deal structures, or including specific provisions in the agreement to protect against identified risks.

3. Improved investor and stakeholder confidence

A due diligence audit demonstrates transparency, thoroughness, and responsible management to all parties. Thus, you enhance confidence in your company’s ability to execute the transaction successfully.

4. Optimized resource allocation

The audit makes prioritizing resources and efforts during the transaction process more manageable. Specifically, it enables the company to concentrate on the areas of concern and distribute time, money, and people efficiently to tackle identified issues.

5. Legal and regulatory compliance

The audit ensures that a company understands and adheres to the requirements associated with the transaction. It minimizes the risk of legal disputes or regulatory penalties post-transaction.

As you can see, a due diligence audit is a crucial step that can save companies and potential investors from costly mistakes and surprises. With so much at stake in M&A transactions, this procedure is a smart business decision. However, you may encounter some difficulties throughout the process. So now we will describe these issues and suggest a solution to solve them effectively.

What are common challenges you may face when conducting a due diligence audit?

Some difficulties that may impact the effectiveness and thoroughness of the process are as follows:

  • Organizing and accessing large volumes of company’s data related to the audit
  • Protecting sensitive information shared during the audit from unauthorized disclosure or leaks
  • Ensuring the accuracy, completeness, and reliability of data used for the audit
  • Collaborating among due diligence audit team members and external stakeholders, especially when working remotely or across different time zones
  • Meeting legal and regulatory standards for data protection and confidentiality
  • Ensuring all due diligence audit team members are working with the most current versions of documents and data without confusion or errors
  • Maintaining a clear and traceable record of all activities and interactions for accountability and transparency

Now, the procedure may seem like a tough road for you. Luckily, modern business solutions can transform your journey into a seamless and enjoyable experience without hiccups. And now you can explore one of them!

What is a virtual data room for conducting a due diligence audit?

Virtual data rooms are highly secure online platforms for storing, sharing, and managing confidential documents during complex and sensitive business deals. They serve as a centralized multi-feature space where authorized parties can access, review, and collaborate on data related to a specific project.

Key data room functionality for conducting a due diligence audit includes the following:

  • Organized document storage and organization
  • Secure file-sharing and access control
  • Streamlined real-time collaboration
  • Detailed audit trail and monitoring
  • Strict compliance with regulatory standards
  • Simplified due diligence workflow

Like other tools, data rooms differ in functionality, intuitiveness, pricing, and other parameters. Therefore, we have prepared a list of the best solutions for you.

What are the most popular providers for the due diligence audit in 2024?

  • 1. iDeals
  • 2. Intralinks
  • 3. DFin Venue

1. iDeals

It is a cutting-edge secure document storage and collaboration platform, typically employed for due diligence audits. This software facilitates efficient decision-making and successful deal closure by integrating robust security measures, advanced tools, a user-friendly interface, and exceptional support services.

Top features:

  • Auto data index
  • Drag and drop data upload
  • Document version control
  • 8 levels of document access rights
  • Secure fence view
  • 256-bit SSL/TLS encryption
  • OCR full-text search
  • Advanced Q&A module
  • Real-time audit trail 

Free trial: 30 days

Capterra rating: 4.8 (257 reviews)

2. Intralinks

This software offers a cloud-based data room that enables you to engage in strategic deal-making and mergers and acquisitions efficiently. The main focus of Intralinks operations is to empower businesses to share information globally and conclude deals faster and more safely.

Top features:

  • Desktop sync
  • Auto data index
  • Granular document permissions
  • Customizable watermarks
  • Basic Q&A
  • Activity tracking
  • Branded user interface

Free trial: Negotiable

Capterra rating: 4.1 (19 reviews)

3. DFin Venue

Donnelley Financial Solutions is a top-notch virtual data room specializing in compliance and risk management. It is a good choice for businesses involved in de-SPAC transactions, M&A, initial public offerings, and stringent data protection.

Top features:

  • Drag and drop data upload
  • 256-bit SSL/TLS encryption
  • Two-factor authentication
  • Full-text search
  • Real-time audit trail
  • Single sign-on

Free trial: 10 days

Capterra rating: 5.0 (2 reviews)

Before you choose your virtual data room provider, visit their websites, explore the features they offer, and read user reviews. Thus, you can select the best option for your due diligence audit.

Key takeaways

  • A due diligence audit is a critical step in M&A transactions, benefiting both buyers and sellers. 
  • The main steps of the procedure are financial, legal, operational, HR, and tax due diligence.
  • A due diligence audit benefits a company in various ways, including risk mitigation, better negotiation power, and improved stakeholder confidence.
  • Virtual data rooms can help parties overcome challenges in the due diligence process, including data security, document organization, and collaboration.
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