INSIGHT

What Is a Financial Statement Audit?

Deborah Olayiwola • October 2, 2026

Services: Audit

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For most business leaders, “audit” is not a word that inspires confidence. It conjures images of auditors combing through every invoice, questioning every judgment call, and finding something wrong. But a financial statement audit is not a hunt for mistakes. It is an independent, evidence-based examination that gives lenders, investors, boards, and other stakeholders confidence that the numbers tell the truth.  

Understanding what a financial statement audit really involves, who requires one, and how to prepare for one can turn a stressful process into a straightforward one. 

What a Financial Statement Audit Covers 

A financial statement audit typically involves an independent evaluation of a company’s financial statements, including its balance sheet, income statement, statement of cash flows, and the notes that provide extra context for the numbers. The goal is to determine whether the financial statements are free from material misstatement in accordance with an applicable framework, e.g. generally accepted accounting principles (GAAP), international financial reporting framework (IFRS) etc.. At the end of the audit process, the auditor issues an audit opinion which is a formal statement of whether your financial statements can be relied upon. 

This differs from other engagements you may have heard of. When comparing an audit or review, a review offers a more limited level of assurance. A compilation simply organizes your financial data without providing assurance at all. And an internal audit, often performed by a company’s employee(s), serves management rather than external stakeholders. 

Why Businesses Need One 

Not every company is required to have its financial statements audited, but there are a number of reason one may be required. Publicly traded companies must file audited financials with the Securities and Exchange Commission. Lenders often require an audit before extending significant credit or ongoing annual audit to ensure that a company continues to be financially viable. Investors, particularly private equity and venture capital firms, frequently make it a condition of funding. Nonprofits that receive $750,000 or more in federal expenditures typically need a Single Audit, and many with $1 million or more in annual revenue undergo an independent financial statement audit for board governance and donor confidence. 

Beyond the requirement itself, an audit builds trust.It signals to the market that your numbers have been independently tested, which matters enormously if you are pursuing an acquisition, preparing for the IPO process, or simply trying to give your board and stakeholders confidence in the direction of the business.

How the Audit Process Unfolds 

Most audits move through a consistent set of stages, though the timeline and intensity vary by company size and complexity. 

• Planning and risk assessment. Your auditor gets to know your business, your industry, and the areas where financial statements are most likely to contain errors, then builds an audit plan around those risks. 
• Internal controls testing. The auditor evaluates whether your controls over financial reporting are designed and operating effectively, which shapes how much additional testing is needed. When your business is still in its start-up phase and controls are still developing, the auditor may determine that it is more efficient to not test internal control. 
• Substantive fieldwork. This is the detailed testing phase: account reconciliations, transaction sampling, confirmations from banks and third parties, and review of significant or unusual transactions. 
• Reporting. Once fieldwork wraps up, the auditor issues its opinion, and your finalized financial statements go out to lenders, investors, or the board. 

What It Takes to Get Audit-Ready 

Audit readiness is the single biggest factor in whether an audit goes smoothly or drags on for months. Before the audit begins, it helps to: 

• Establish a timeline with your auditor, covering book-close deadlines, key request dates, and the expected issuance date, and assign clear internal ownership so requests do not stall waiting on a single point of contact. 
• Complete your financial close and account reconciliations, retaining evidence of preparation and approval for every account, since this documentation supports the walkthroughs your auditor will perform. 
• Document judgment areas early, including revenue recognition policy, impairment analysis, and any pending litigation or going concern considerations, and bring in third-party specialists (if considered necessary) for technical accounting or valuation matters before the audit starts. 
• Organize your supporting documentation (bank statements, board minutes, payroll records, contracts, and related-party agreements) so requests can be answered quickly rather than reconstructed on the fly. 

Where Audits Tend to Get Bogged Down 

Even well-intentioned teams hit the same snags year after year. The most common culprits include:  

• An incomplete financial close 
• Unassigned roles with one overworked colleague fielding all requests 
• Disorganized or missing documentation (unsigned contracts or unsupported journal entries) 
• Complex transactions (stock-based compensation, business combinations, or new accounting guidance). 

Slow communication and last-minute staffing changes on either side of the engagement can compound all of it, so addressing these areas early is worth the effort. 

How BPM Can Help 

Whether this is your first financial statement audit or you are looking to make an existing process more efficient, preparation and the right guidance make all the difference.  

BPM’s Audit services and audit-readiness professionals bring hands-on experience across every stage of the process, from readiness assessments performed months before fieldwork begins through post-issuance support. Reach out to start the conversation about what audit-ready looks like for your business.