May 05, 2026 | by Atherton & Associates, LLP

What to Expect and How to Prepare for a Financial Statement Audit

Understanding the audit process—and how to prepare for it—can transform it from a perceived burden into a valuable business tool. For companies across California, including those in construction, agriculture, and nonprofit sectors, a financial statement audit provides more than compliance—it strengthens credibility, improves internal controls, and enhances financial transparency.

When approached with the right level of preparation, an audit becomes a strategic opportunity to identify inefficiencies, reduce risk, and build trust with lenders, investors, and stakeholders.

What Is a Financial Statement Audit?

A financial statement audit is an independent examination of a company’s financial records, conducted by a qualified external auditor—typically a Certified Public Accountant (CPA). The objective is to determine whether the financial statements are presented fairly, in all material respects, in accordance with applicable accounting standards such as Generally Accepted Accounting Principles (GAAP) or International Financial Reporting Standards (IFRS).

An audit provides stakeholders with confidence that the financial information they rely on is accurate, complete, and free from material misstatement.

The Audit Process: Step-by-Step

Planning and Risk Assessment

The audit begins with a planning phase, where the auditor develops an understanding of the business, its industry, internal controls, and key risk areas. This includes reviewing prior audit reports, performing preliminary analytical procedures, and meeting with management to establish scope and expectations.

Internal Control Evaluation

Auditors evaluate the effectiveness of internal controls—the policies and procedures designed to ensure accurate financial reporting and prevent fraud or errors. A strong control environment allows auditors to rely more on systems and processes, potentially reducing the extent of detailed testing.

Fieldwork and Substantive Testing

This is the core phase of the audit. Auditors perform detailed testing of account balances, transactions, and disclosures to verify accuracy and completeness. Depending on the organization, fieldwork may be conducted remotely or onsite.

Audit Completion and Reporting

Once testing is complete, auditors evaluate findings, finalize documentation, and communicate any identified issues with management. Adjustments may be proposed to address material misstatements.

The auditor then issues an opinion, which may include:

• • Unqualified (Clean): Financial statements are fairly presented
  • Qualified: Certain issues exist, but overall statements are reliable
  • Adverse or Disclaimer: Significant concerns are identified (less common)

Post-Audit Communication and Follow-Up

Following the audit, the auditor may issue a management letter outlining internal control deficiencies, operational observations, and recommendations for improvement. This phase is critical for strengthening processes and reducing future risk.

How Business Owners Can Prepare for a Smooth Audit

• Maintain organized financial records year-round: Up-to-date reconciliations and documentation reduce delays and audit costs
• Communicate proactively: Establish clear expectations with your CPA and internal team early in the process
• Strengthen internal controls: A well-documented control environment improves audit efficiency and reduces risk
• Understand your financial reporting: Familiarity with key reports allows for more effective communication during the audit
• Be transparent: Address issues directly—auditors value openness and collaboration

Using the Audit Process as a Strategic Advantage

By understanding each phase of the audit process—from planning through final reporting—business owners can approach audits with greater confidence and clarity. Beyond meeting compliance requirements, a well-executed audit provides valuable insight into financial operations, strengthens internal controls, and enhances credibility with stakeholders.

For growing businesses, an audit is not just a requirement—it’s an opportunity to improve, refine, and build a stronger financial foundation.

From the office of Michelle Ulm, CPA, Tax Manager