Top 40 Audit Services in Orange County
The Best of December 2025Looking for a top audit firm in Orange County?
Auditing involves working with an auditor, or third-party, to look into your business and financial records and processes. Auditing helps uncover areas of non compliance or inefficiencies in your accounting processes, which makes it easier to address these issues. The auditing process includes requesting financial documents, preparing and presenting an audit plan that outlines timeline and information needed for the audit, conducting the audit both on-site and remotely, and planning and presenting findings.
To assist you in your search for a partner, we’ve compiled this list of the top audit services in Orange County. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Orange County Audit Firms
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31Undisclosed250 - 999 employeesLos Angeles, CARead More
Mazars in US is a business consulting company. Established in 1921, the team focuses on business consulting, HR services, finance & accounting outsourcing (FAO), and accounting. Their midsize agency is New York, New York-based.
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32Undisclosed10 - 49 employeesCity of Industry, CAAccounting company Tina T. Chiang Accountancy Corporation is headquartered in City of Industry, California. Launched in 1997, the team focuses on Accounting and Financial Advising & Planning.Read More
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33Undisclosed2 - 9 employeesMalibu, CAMiglex LLC is a small Malibu, California-based Marketing Strategy company. Their services include Marketing Strategy and Accounting.Read More
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34Undisclosed2 - 9 employeesAliso Viejo, CAETC Consulting, Inc. Is an Accounting company. They are based in Aliso Viejo, California and have small team. Their services include Accounting and Business Consulting.Read More
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