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 – 22nd 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 Announces 2026 Firmwide Leadership Transitions
This next generation of leaders step forward at a pivotal time for the Firm, bringing the technical expertise and strategic perspective needed to navigate continued growth, rapidly advancing technology and an ever-evolving industry landscape. Grounded in the Withum Way mentality, they will shape what’s ahead while preserving the culture that remains central to how the…
Withum Names Eighteen New Partners
Introducing Our 18 New Partners
Withum’s Columbia Office Welcomes Greater Baltimore
Withum team members, clients and community leaders, including representatives from Howard County and the Central Maryland Chamber, came together to mark the official “door opening” on the new location. The ribbon-cutting ceremony highlighted the evening, which featured citations presented by community leaders welcoming Withum to the Columbia region and recognizing its strong ties to the…
Nadia Matthie Appointed as Chair of the AICPA’s Employee Benefit Plans Expert Panel
The AICPA’s Employee Benefit Plans Expert Panel was formed to protect the public interest and agree on key plan issues by leveraging the knowledge of leaders in the employee benefit plan industry. Nadia’s deep expertise makes her a valuable asset to help further the panel’s mission as Chair of the group. Nadia has more than…
Chris Passmore Named Top Leader on Los Angeles Business Journal List for Fourth Consecutive Year
As partner-in-charge of Withum’s Los Angeles office, Chris plays a pivotal role in the Firm’s growth on the West Coast. With nearly 25 years of experience in the profession, he specializes in assurance and business consulting services to emerging and middle-market companies. In addition to serving technology companies and professional services firms, Chris holds an advanced-level certificate in 401(k)…
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