Top 60 Audit Services in California
The Best of December 2025Looking for a top audit firm in California?
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 California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Audit Firms
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1$25,000+50 - 249 employeesSanta Clara, CAAccounting company RightRev is in Santa Clara, California. Their services include Accounting.Read More
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2Undisclosed50 - 249 employeesHayward, CAAccounting company Quickbook Supportnet was established in 2003. Based in Hayward, California, the team provides Accounting.Read More
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3Undisclosed2 - 9 employeesRancho Santa Margarita, CAMraz Tax Solutions is an Accounting company in Rancho Santa Margarita, California. The team focuses on Accounting and Tax Law.Read More
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4Undisclosed2 - 9 employeesLong Beach, CASancus Tax and Accounting is a small Long Beach, California-based Business Consulting and Accounting company. Their services include Business Consulting and Accounting.Read More
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5Undisclosed10 - 49 employeesGlendale, CAIntegrity Accounting Solutions® is a small Glendale, California-based Accounting company. The team focuses on Accounting.Read More
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6Undisclosed2 - 9 employeesSalinas, CABranding firm Monterey Park Marketing is headquartered in Salinas, California. They specialize in Branding and Public Relations and were founded in 2023.Read More
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7$1,000+2 - 9 employeesLos Angeles, CAAgro Accounting CPA is a small Accounting company. They specialize in Accounting and were launched in 2009.Read More
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8Undisclosed250 - 999 employeesSan Francisco, CAKranz Consulting is an Accounting company. Their midsize team is located in San Francisco, California. Their team specializes in Accounting and Financial Consulting.Read More
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9Undisclosed1,000 - 9,999 employeesSan Ramon, CAIn San Ramon, California and Austin, Texas, Armanino LLP is an Accounting company. The team offers Accounting and Business Consulting.Read More
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10Undisclosed2 - 9 employeesSan Diego, CAJCSN CORP is a small San Diego, California-based Commercial Financing and Accounting company. The team focuses on Commercial Financing and Accounting.Read More
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11$25,000+10 - 49 employeesSunnyvale, CAIn Sunnyvale, California, Ace Global is a Finance & Accounting Outsourcing (FAO) company. They provide Finance & Accounting Outsourcing (FAO) and Accounting and were established in 2021.Read More
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12$5,000+2 - 9 employeesSan Diego, CANational Tax Attorney, a tax law company, is located in San Diego, California and Riverside, California. They focus on tax law, accounting, and financial advising & planning and were established in 2019.Read More
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13$1,000+2 - 9 employeesVisalia, CAFinancial Consulting company Aurora Consulting Group, LLC provides Financial Consulting and Accounting. They were founded in 2011.Read More
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14Undisclosed10 - 49 employeesCorte Madera, CAJones, Schiller & Littman LLP is an Accounting company. Established in 1957, their team focuses on Accounting and Financial Advising & Planning.Read More
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15Undisclosed2 - 9 employeesSan Diego, CAAccounting company San Diego Crypto Tax focuses on Accounting. They were launched in 2022.Read More
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16$5,000+2 - 9 employeesLos Angeles, CABusiness Consulting company Ellamints was founded in 2019. The agency specializes in Business Consulting and Finance & Accounting Outsourcing (FAO), and is small.Read More
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HappilyIndustries
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17Undisclosed50 - 249 employeesLos Angeles, CASimpson & Simpson, LLP is an Accounting company headquartered in Los Angeles, California. They specialize in Accounting and HR Consulting.Read More
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18Undisclosed1,000 - 9,999 employeesLos Angeles, CAB. Riley Financial is a Los Angeles, California-based Commercial Financing company. They specialize in Commercial Financing and Accounting and were founded in 1997.Read More
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19Undisclosed10 - 49 employeesOntario, CAROARK is an Accounting company. Based in Ontario, California and Los Angeles, California, their team provides Accounting and Commercial Financing.Read More
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20Undisclosed2 - 9 employeesLos Angeles, CAPROCESS Strategies, LLC, an Accounting company, is based in Los Angeles, California. They offer Accounting and Web Design and were launched in 2018.Read More
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21Undisclosed10 - 49 employeesLos Angeles, CAAccounting AccuMen is an Accounting company founded in 2005. The small team provides Accounting.Read More
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22Undisclosed10 - 49 employeesBurlingame, CAFounded in 1999, Greenough Consulting Group is an Accounting company. Located in Burlingame, California, the team provides Accounting and Back Office Outsourcing.Read More
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23Undisclosed10 - 49 employeesVineburg, CAEstablished in 2011, Crossroads Antiracism Organizing & Training is a small Corporate Training & Coaching company. Their team offers Corporate Training & Coaching and Business Consulting.Read More
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24$1,000+10 - 49 employeesFresno, CALaunched in 2003, Wiebe Hinton Hambalek, LLP is an Accounting company. The team focuses on Accounting and Business Consulting.Read More
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25Undisclosed10 - 49 employeesPasadena, CAAccounting company Sotomayor & Associates LLP was founded in 1992. In Pasadena, California, the team specializes in Accounting and Financial Advising & Planning.Read More
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26Undisclosed10 - 49 employeesSan Diego, CABack Office Support Solutions is an accounting company. Their small team is located in San Diego, California. Their team focuses on accounting.Read More
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27Undisclosed10 - 49 employeesLos Angeles, CATax Hack Accounting Group is a Los Angeles, California-based Accounting company. They specialize in Accounting and were established in 2016.Read More
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28Undisclosed50 - 249 employeesLos Angeles, CAAccounting and fractional cfo services company DCG | CPA and Management Consulting Firm is in Phoenix, Arizona; New York, New York; Los Angeles, California and Miami Beach, Florida. The agency specializes in accounting and fractional cfo services and is midsize.The agency was launched in 2022.Read More
Clients
MycocycleIndustries
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29Undisclosed10 - 49 employeesLos Angeles, CACollins Financial Services, a small Business Consulting company, is based in Los Angeles, California. Their services include Business Consulting and Accounting.Read More
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30Undisclosed2 - 9 employeesAliso Viejo, CAAAA Alternate Konsulting is an Accounting company. The agency is based in Aliso Viejo, California. Their services include Accounting and Financial Advising & Planning.Read More
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