Tax Services
Los Angeles, CA
Located in the heart of the San Fernando Valley, Withum is one of the nation’s largest accounting and advisory firms.
We offer advisory, tax and assurance services to a wide range of industries in the Los Angeles business community. Our professionals create strategies to minimize tax exposure, streamline business processes and guide companies through transactions.
(818) 789 1179
Los Angeles Service Specializations
Assurance and Accounting
Employee Benefit Plan Audits
Advisory
Audit Services
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 Los Angeles
Our seasoned professionals possess the industry expertise our clients need to grow and succeed. We offer insights and experience to keep you informed and to help you achieve your financial goals.
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
Christopher Passmore, CPA, MBAChris Passmore is a partner with over 20 years of experience in public and private accounting and also serves as the partner-in-charge of the Firm’s Los Angeles office. He specializes in assurance and business consulting services to emerging and middle-market companies. While Chris services a wide variety of clients, he has developed a reputation as an expert in working with technology companies, professional service firms, franchised businesses, and benefit plans.
He spent several years working with publicly and privately held businesses while working at a Big Four firm. Chris understands the accounting firm and client sides of running a business, having served as a corporate controller for a publicly held manufacturing company. As part of the Master’s program, Chris attended the prestigious Global Enterprise Management Program at Oxford University in the United Kingdom. Chris is a member of a small group of CPAs who hold an advanced-level certificate for audits of 401(k) plans. This credential was established by the Employee Benefit Plans Audit Quality Center of the AICPA to distinguish those service providers committed to the employee benefit plan industry and adherence to DOL and IRS requirements.
Los Angeles Leadership
Withum in the News
Fortune Media and Great Place to Work Name Withum Among Best Workplaces in New York
Ranking at number 22 on the Large Business list, Great Place to Work recognized the Firm for its strong culture and team-centric approach, highlighting its distinctive benefits such as flexible schedules, childcare benefits and time off. The recognition also spotlighted Withum’s collaborative environment – prioritizing professional development, open communication, innovation and work-life balance, enabling team…
Withum Champions Veteran Initiatives and Community Impact
Wreaths Across America For more than five years, Withum has been an active participant in the Wreaths Across America initiative, which is championed by the Firm’s Veterans Team Member Resource Group (TMRG) and the Not-for-Profit Services Team. Wreaths Across America (WAA), is a national nonprofit dedicated to remembering fallen service members, honoring those who serve…
Steve Talkowsky Named NJBIZ 2026 Leader in Finance
As a respected leader, Steve was recognized for his impact on the Firm’s Tax Services Team, contributing to the practice’s growth, and for his strong commitment to the mentorship and development of the teams he leads. He serves clients with global operations, advising on business taxation matters with deep expertise in Subchapter C, S corporation and partnership taxation. With a focus on making complex tax matters accessible, he is…
ROI-NJ Names Withum Leaders to Annual Power List
Pat Walsh Pat Walsh, Managing Partner and CEO, has led numerous firmwide strategic initiatives focused on best practices, client experience and technology. He leads Withum’s national growth strategy and client service initiatives, with a focus on innovation, talent development and expanding the Firm’s advisory capabilities to meet clients’ evolving needs. Pat was recognized for his…
Withum Recognized with Cigna Healthy Workforce Designation™
As a people-first organization, the Firm offers a competitive Total Rewards benefits package with unique perks for Withum team members, recognizing wellness extends beyond baseline healthcare benefits. Withum is proud to be at the forefront of exceptional benefits that support team members’ health journeys. In addition to its traditional medical, dental and vision plans, the Firm offers supplemental benefits. These include an…
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