What is a Business Audit?

A small business audit doesn’t necessarily mean you’ll be dealing with the Internal Revenue Service. Small business owners can conduct internal audits on an annual basis. Either way, the audit process involves looking at accounting records and tax return numbers. The idea is to make sure your financial data is correct, and that it’s in line with tax laws.

What is a Small Business Audit?

business audit

This is an examination of small business tax filings and financial records. The idea is to make sure everything is accurate. Accounting books and financial statements get looked at by either external auditors or internal auditors.

Keep in mind you need to report things like a foreign bank account to the IRS.

Why do businesses get audited?

The IRS conducts small business audits for a number of different reasons. Here are a few of the common ways a business owner can find themselves in front of an IRS agent.

  • Claiming 100% of business use on a personal vehicle.
  • Claiming too many years of business losses in a row.
  • Rounding off financial information numbers.
  • Other bad financial practices like out of whack deductions.
  • A small business income that is higher than the average can trigger an audit notice. However, the odds aren’t high that you’ll wind up in an IRS office over this one.

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What are the types of business audit?

A small business audit can take several different forms. You’ll need to get your financial statements and receipts together plus loan agreements for each of the following:

Internal Audits

Like the name suggests an internal audit takes place inside your business. These internal audits are done by individuals or a team. They look at financial statements, policy compliance, and operational concerns to name a few areas.

Tax Audits

business audit

This is an IRS audit. A tax professional will look at a tax return to make sure it is accurate. An IRS auditor will look at companies’ financial records. These types of small business audits don’t always indicate wrongdoing. An IRS audit like this is selected based on several markers.

Payroll Audits

Payroll audits delve into a company’s payroll processes to ensure accuracy, consistency, and compliance with relevant laws and regulations.

These audits are important for verifying that employees are correctly classified, paid the appropriate wage for their role and hours worked, and that all required taxes and benefits are accurately deducted and remitted.

Conducted by human resources professionals or external consultants, payroll audits can also uncover inefficiencies or vulnerabilities in the payroll process.

Forensic Audits

Forensic audits are specialized examinations that scrutinize financial information for evidence that can be used in court, particularly in cases of suspected fraud, embezzlement, or other financial irregularities.

Unlike standard audits that evaluate financial statement accuracy, forensic audits dig deeper. They involve investigative techniques to uncover hidden assets, illicit transactions, and fraudulent financial reporting.

Forensic auditors often collaborate with legal teams and can be pivotal in civil or criminal proceedings.

Financial Audits

These focus on the financial records of a small business. Specific documents highlighting assets, investments, revenue, and expenses are used. It won’t hurt to know the 1099 rules to make sure you file any additional income.

Correspondence Audit

These are IRS audits that are conducted by phone or mail. They are looking for additional tax information about a specific issue or item. It’s one of the least severe types of tax audits. Correspondence audits are quite often pointed at nonprofits and charities.

Field Audit

This is another type of IRS audit. These can be conducted at your accountant’s office, your business, or even your home. Field audits are in-depth and comprehensive.

Types of Business Audit Summary

Type of AuditDescription
Internal AuditsConducted internally to review financial statements, policies, and operations.
Tax AuditsThe IRS reviews tax returns and financial records for accuracy.
Payroll AuditsExamines payroll processes to ensure legal compliance and accuracy.
Forensic AuditsIn-depth investigations used in court, often related to fraud.
Financial AuditsFocuses on the business's financial records and transactions.
Correspondence AuditThe IRS seeks specific tax information via phone or mail.
Field AuditComprehensive IRS audit conducted at a business or taxpayer's location.

What is included in a business audit?

Whether you are looking at an IRS audit, an internal audit, or another type from a tax professional, you’ll need to know the records that will be required.

The following can help make the whole thing a smooth process. This is just a partial list of some of the financial documents you might need to present.

Documents Detailing Theft or Losses

If there is damage to an enterprise, an IRS audit might ask for photographs. You need copies of police reports if there is no insurance.


business audit

These types of business expenses include organizational and individual names of the people who got paid. An external audit will also want to see the dates you paid them. Plus the type of service.


IRS audits will want to see how these relate to your business. The audit process takes into account the money paid and received. Plus, mileage under some circumstances.

Loan Agreements

An audit will want to see a copy of the original loan with the location of the property. The amount borrowed and the terms should also be included. Make sure to include a breakdown of how the money was used for an external auditor.


Independent contractors can put these on an audit report. They need to be labeled with the business purpose for the trip. Organizing these records will help to speed up any kind of audit along.

Benefits of a Business Audit

Business audits serve a number of useful purposes. Some companies need to look through financial statements to abide by regulations. Others need to have an accounting firm go through financial records to maintain efficiency. Here are some good reasons why most audits are beneficial.

  • Uncover Fraud: An auditor checks for different types of fraud. Rooting this out is important for sole proprietorship and/or public companies. It’s also a good way to uncover employee theft. Risk factors include having several employees involved in the scheme.
  • Boost Efficiency: Regular audits can highlight redundant procedures and practices. The audit process can come up with recommendations on how to streamline and improve processes.
  • Audits Provide Compliance: There are statutory obligations in every industry. Small businesses facing noncompliance issues can lose customers and incur heavy fines. Audit reports are important to match up compliance with statutory obligations. A statistical formula to calculate a sample size is a good place to start.
  • Audits Provide Better Budgets: An external audit can go over business tax returns, personal tax returns, and bank statements. Even an internal audit can help business owners with a better budget. Liabilities, assets, expenditures, and different types of income are all included. The audit process can help highlight where a business’s finances can be improved. A better budget naturally follows.
  • Audits Can Help A Small Business Get Funded. Business owners are usually thinking about growth. External audits can help your business get investors or banks to supply funding. A line of credit can help take your business operations to the next level.
  • Audits Highlight Bad Practices. These can help your business find internal controls and auditing practices that need to be changed. Tweaking any problems makes tax time less complicated.

How to Prepare for a Business Audit

There are a few other things that you will need to do to prepare for an audit. You can’t avoid one of these completely. However, there are a few things you can do to get ready.

1. Accurate Record KeepingEnsure all financial and business records are precise and up-to-date. Electronic files are often acceptable, but always keep backup copies.
2. Organized PaperworkEven if an expense is valid, lacking the necessary paperwork can result in its rejection. Always have all documents readily accessible.
3. Addressing Tax MattersA tax-related audit becomes significantly more severe if your records aren't maintained properly. Ensure all tax matters are documented and recorded accurately.
4. ConsultationIf there are uncertainties, errors in deductions, or missed income, it's advisable to consult with a tax attorney. They can provide guidance and assist in navigating the audit.

Remember, there are different types of audits. When you get a notice from an IRS manager because they want to look at your books, here’s what you need to do.

IRS Business Audit Process

business audit

These types of audits don’t need to be stressful. This type of audit will check your business information to be sure it is accurate. The IRS can choose your business randomly or through related examinations.

These happen when your business has been involved with someone who has been through an audit.

Other triggers include excessive expenses and misclassification of employees.

  1. The process starts with a letter describing the documents and records they need.
  2. These records get examined by IRS agents.
  3. There’s a closing conference and examination report on the phone.
  4. The IRS will tell you if you owe money, penalties, and interest.
  5. They close the case off if you agree with a closing letter.

Understanding the Different Levels of Assurance in Auditing

Understanding the different levels of assurance in auditing is crucial for businesses to determine the extent of examination needed for their financial statements. The three primary levels are compilation, review, and audit, each offering a varying degree of assurance.

  1. Compilation: This is the most basic level of service regarding financial statements. In a compilation, an accountant assembles the financial data provided by the business into a financial statement format. However, no assurance is given about the accuracy or completeness of the information; the accountant does not verify or validate the data.
  2. Review: A review involves a more in-depth examination than a compilation but less than an audit. The accountant conducts analytical procedures and makes inquiries to understand the business and its financial elements. The review provides limited assurance that no material modifications are needed for the statements to be in conformity with accounting principles.
  3. Audit: An audit provides the highest level of assurance. It includes an examination of the company’s financial statements in accordance with generally accepted auditing standards. This comprehensive process involves testing the underlying records, evaluating internal controls, and confirming with third parties. The auditor provides an opinion on whether the financial statements present a true and fair view of the company’s financial position.

Each level serves different purposes and offers varying degrees of confidence to users of the financial statements. Businesses must assess their needs, the requirements of their stakeholders, and the cost-benefit of each level to determine the most appropriate type of service.

Navigating the Aftermath of an Audit

After an audit is completed, navigating its aftermath is essential for any business. The audit report usually contains findings, recommendations, and sometimes, areas of concern that need addressing. The immediate step is to thoroughly review these findings and understand their implications for the business.

Responding effectively to the audit findings involves developing an action plan to address any identified weaknesses or risks. This plan should outline specific steps, allocate responsibilities, and set timelines for implementation. In cases of discrepancies or disagreements with the audit findings, it’s important to communicate with the auditors for clarification or further discussion.

Implementing the audit recommendations often leads to refining business processes, enhancing internal controls, and sometimes, restructuring certain aspects of the business. It’s a time for reflection and an opportunity to strengthen the business’s operations and financial integrity.

Regular monitoring and follow-up on the implementation of these changes are crucial to ensure their effectiveness and to make adjustments as necessary.

Moreover, the lessons learned from an audit should not be limited to rectifying issues. They should be integrated into the business’s ongoing practices for continuous improvement. This proactive approach can prevent future issues and contribute to building a more robust and efficient business operation.

The Impact of Audits on Business Strategy and Decision Making

Audits can significantly impact a business’s strategy and decision-making processes. The insights gained from an audit provide a clear picture of a business’s financial health, revealing both strengths and areas needing improvement. This information is vital for strategic planning, as it helps business leaders make informed decisions about future investments, growth opportunities, and risk management.

The financial transparency resulting from an audit also enhances the credibility of a business in the eyes of investors, lenders, and other stakeholders. It can facilitate easier access to capital, better loan terms, and can attract potential investors.

Furthermore, audits can uncover inefficiencies and operational issues that might have gone unnoticed. Addressing these can lead to cost savings, improved profitability, and enhanced operational effectiveness. Audits also encourage businesses to maintain up-to-date and accurate financial records, which are crucial for timely and informed decision-making.

In essence, audits are not just about compliance or financial correctness; they are a tool for strategic business growth and improvement. They provide a foundation for building strategies that are grounded in financial reality and aligned with the company’s long-term objectives.

The Role of Technology in Streamlining Audit Processes

In the modern business landscape, technology plays a pivotal role in enhancing and streamlining audit processes. The integration of advanced technological tools in auditing not only speeds up the process but also increases its accuracy and efficiency.

Automated audit tools and software, leveraging Artificial Intelligence (AI) and data analytics, have revolutionized how audits are conducted. These tools can quickly analyze large volumes of data, identify anomalies or discrepancies, and generate comprehensive reports, reducing the time and effort required for manual analysis.

Moreover, technology aids in continuous monitoring and auditing throughout the year. This approach allows for real-time assessment of financial activities, making the audit process more dynamic and responsive to the current state of the business. Technologies like blockchain and cloud computing are also being explored for their potential to offer more secure and transparent audit trails.

Another critical aspect is cybersecurity audits, which have become increasingly important due to the heightened risks of cyber threats. These audits evaluate the effectiveness of a company’s cybersecurity measures, ensuring the protection of sensitive financial data. Implementing robust cybersecurity measures and regularly assessing them through audits can save a business from potential breaches and data theft, which can have significant financial and reputational repercussions.

In summary, the integration of technology in audit processes not only makes them more efficient but also aligns them with contemporary business practices and risks, particularly in the realm of digital security.

What are generally accepted accounting principles?

These are standards for corporate and business accounting. The Financial Accounting Standards Board (FASB) uses GAAP as its base for practices and methods.

What financial statements are needed for an audit?

These audits need to have specific statements included. Those include an income statement, a balance sheet, and a cash flow statement.

Who can demand a business audit?

An external audit can be requested by a few different entities. Like the IRS, a tax agency or insurance company, and even a third party.

Why should you conduct an independent business audit?

It’s always a good idea to have another set of eyes look at your numbers. It’s a particularly positive move when looking for investors. The independent audit process boosts your credibility.

An independent business audit is a good idea when you’re looking for a loan. And when you’re looking to sell a business.

What are your rights during an IRS audit of your business?

Knowing what rights a small business has through an IRS audit helps. Here are just a few of the things businesses and taxpayers should be aware of.

  • You have the right to representation. That can include a tax attorney or certified public accountant.
  • You have the right to only pay the amount of tax debt due.
  • You can file a tax appeal within 30 days of receiving a judgment.

You also have the right to courteous and professional service from IRS employees.

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Rob Starr Rob Starr is a staff writer for Small Business Trends. Rob is a freelance journalist and content strategist/manager with three decades of experience in both print and online writing. He currently works in New York City as a copywriter and all across North America for a variety of editing and writing enterprises.

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