Tax Services
San Diego, CA
Located in Carlsbad’s booming business district, Withum is one of the nation’s top-rated and largest accounting firms.
Withum helps local corporations and nonprofits thrive, offering advisory, tax, audit, assurance and consulting services to the San Diego business community. We are more than just a Carlsbad CPA and accounting firm. We are a strong national resource providing all the traditional CPA and accounting services businesses and individuals require to minimize tax exposure and maintain compliance, plus a whole suite of advisory solutions to accelerate your success. That’s the Power in the Plus!
(760) 929 5959
San Diego Accounting and Advisory Service Specializations
Accounting Advisory and Financial Reporting
Employee Benefit Plan Audits
Private Client Services
Transaction Advisory
CA State and Local Tax Updates
Do you or your organization operate in multiple states? Do you own property in a variety of states? California State and Local Tax (SALT) laws are always changing and understanding the nuances of the states that you own or operate in is challenging. In these California resources, you’ll find just a dash of the most up-to-date details on rules and regulations as state and local tax changes happen by state!
Industries We Focus on in San Diego
Beyond the Region
- Inside Public Accounting Top 100 Firms – 23rd Largest Nationally
- Accounting Today Top 100 Firms – 22nd Largest Nationally
- Great Place to Work® – Fortune Best Workplaces for Parents and Women
- Vault Top 25 Accounting Firm
Partner In Charge
Andrew Hills, CPAAndrew Hills is the Partner-in-Charge at Withum’s San Diego office, bringing nearly 20 years of expertise in corporate tax compliance and mergers and acquisitions. He specializes in providing tax compliance and consulting services for privately held companies and high-net-worth individuals. Andrew’s deep knowledge of consolidated tax issues, multi-state tax planning and compliance, and ASC 740 income tax provisions gives him a comprehensive understanding of a company’s overall risks and opportunities. He also has extensive experience in mergers and acquisitions, including structuring transactions, due diligence, and cash flow analyses.
San Diego Leadership
Withum in the News
Withum Team Members Named as INNOVATE100 Honorees
Leading Industry with a Tech–Forward Vision Matt Walsh, partner and practice leader of Withum’s Industrial and Consumer Products Services Team, was honored in the Finance/Accounting category for helping modernize the Firm’s technology ecosystem. His leadership has supported initiatives that enhance efficiency, streamline workflows and better align technology with evolving client needs, including work with Caseware…
Alan Iosue Named 2026 LA Times Entertainment Business Visionary
As a trusted advisor to entertainment clients, Alan helps organizations navigate the unique opportunities and complexities of an increasingly dynamic, deadline-driven industry. This recognition reflects his commitment to delivering strategic guidance that supports both immediate business needs and long-term success across Southern California’s creative economy. Alan advises production companies, professional athletes, arts organizations and closely…
Withum Ranked a Top 20 Firm Among 2026 IPA 100 Firms
The annual IPA 500 ranks the 500 largest accounting firms in the United States by net revenue using data submitted through the IPA Practice Management Survey. A Growth Strategy Guided by The Withum Way Withum’s rise into the Top 20 reflects purposeful investment. As an independent, owner-operated firm, Withum has the flexibility to make long-term investments that support sustainable growth while maintaining its culture and deepening client relationships. Innovation…
Robin Kim Joins Withum Capital as Managing Director of Investment Banking
Robin brings more than 20 years of investment banking and principal investing experience, advising founder-led, family-owned and privately held companies. Throughout his career, he has advised on transactions exceeding $30 billion in aggregate value, including M&A transactions, leveraged buyouts, recapitalizations, restructurings and debt and equity financings. His experience spans a broad range of industries, providing…
Chelsie Rabon Named 2026 Next Generation in Accounting Winner
Chelsie is a leader in Withum’s San Ramon, CA, office, where she specializes in audits of employee benefit plans, labor organizations and multiemployer benefit plans. She was recognized for her dedication to clients, technical proficiency and ability to help organizations address audit and compliance requirements. Chelsie is deeply committed to fostering the next generation of…
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