Los Angeles, CA
Withum Plus Los Angeles
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.
Find Our Los Angeles Office
16830 Ventura Blvd.,
Suite 501
Encino, CA 91436
Phone: (818) 789-1179
Partner in Charge: Christopher Passmore
Los Angeles Accounting and Advisory Service Specializations
Tax
Learn moreAssurance and Accounting Services
Learn moreEmployee Benefit Plan Audits
Learn moreAdvisory
Learn moreAudit Services
Learn MoreCalifornia 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
Withum in the Los Angeles Community
Volunteering and community outreach are integral to our Los Angeles office and Firm culture. Over the years, our team members have volunteered their time, and our firm has provided monetary donations, to countless causes. From serving on the boards of non-profit organizations and supporting accounting students at local colleges and universities, to volunteering throughout the year and joining together to support local causes during Withum Week of Caring in November, our team members are exemplary corporate citizens.
Beyond the Los Angeles Office
While our office and people are local to the San Fernando Valley business community, Withum’s footprint extends beyond the city bounds.
- 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
Withum Los Angeles in the News
Withum Donates $50,000 to the California Fire Foundation
When the devastating wildfires raged through Southern California at the start of 2025, Withum rallied to support the Los Angeles community. Chris Passmore, partner-in-charge of Withum’s Los Angeles office, presented […]
Kevin D. Holmes Named Business of Entertainment Visionary by L.A. Times
Withum is proud to share that the L.A. Times B2B Publishing has named Kevin D. Holmes on their list of Business of Entertainment Visionaries for 2024. Kevin D Holmes, a […]
Los Angeles Business Journal Names Withum Team Members on Top 100 Accountants List
Withum is proud to share that the Los Angeles Business Journal has recognized Chester Ventura, Audit Partner, and Lilit Nersisyan, Audit Principal, on its Top 100 Accountants list for 2024. […]
Los Angeles Business Journal Names Two Withum Partners as Top Advisors in the San Fernando Valley
Withum is proud to share that Inside The Valley has named Steve Martini and Chris Passmore on their Top 200 List for 2024. Steve Martini is a Tax Partner at […]
Steve Martini named Business Angel of the Year by the LABJ
Withum is proud to share that the Los Angeles Business Journal (LABJ) has named Steve Martini their Business Angel of the Year at their annual Nonprofit and Corporate Citizenship awards. […]
San Fernando Valley Business Journal Names Two Withum Partners as Most Trusted Advisors
Withum is proud to share that the San Fernando Valley Business Journal (SFVBJ) has named Steve Martini and Chris Passmore on their Most Trusted Advisors list for 2023. Steve Martini […]
Chris Passmore named on Thriving in their 40s List by Los Angeles Business Journal
Withum is proud to share that the Los Angeles Business Journal has named Chris Passmore on their Thriving in their 40s list for 2022. Christopher Passmore, CPA, MBA, specializes in […]
Chris Passmore Named Top Leader on Los Angeles Business Journal List
Withum is proud to share that the Los Angeles Business Journal (LABJ) has named Chris Passmore to their LA500 List for 2024. The annual LA500 list highlights the most influential, […]
Withum Team Members Named on LABJ – Top 100 Accountants List
Withum is proud to share that the Los Angeles Business Journal has recognized Chris Passmore, partner-in-charge of the Encino office, and Aza Ghazaryan, tax partner, on their Top 100 Accountants […]
Aza Ghazaryan named Leaders of Influence by LABJ
Withum is proud to share that the Los Angeles Business Journal has named Aza Ghazaryan on their Leaders of Influence: Women in Accounting list for 2022. Aza Ghazaryan is a […]
Los Angeles Business Journal Names Two Withum Partners as Influential Leaders
Withum is proud to share that the Los Angeles Business Journal has named Chris Passmore and Aza Ghazaryan on their Thriving in their 40s list for 2023. Christopher Passmore, CPA, […]
Withum Team Members Named as Top 100 Accountants in Los Angeles
Withum is proud to share that the Los Angeles Business Journal has recognized Aza Ghazaryan, Tax Partner, and Kerra Diener, Tax Senior Manager, on its Top 100 Accountants list for […]
Los Angeles Business Journal Names Two Withum Leaders As Influential Women
Withum is proud to share that the Los Angeles Business Journal (LABJ) has named Aza Ghazaryan, Partner, and Kerra Diener, Partner, on their Leaders of Influence: Women in Accounting list […]
Steve Martini Named Top Advisor in San Fernando Valley Business Journal List
Withum is proud to share that Steve Martini, Partner, in Withum’s Encino office, was named on San Fernando Valley Business Journal’s Top 200 List for 2023. The annual Top 200 […]
Chester Ventura Named Banking & Finance Industry Visionary by LA Times
Withum is proud to share that Chester Ventura, CPA, has been recognized by LA Times B2B Publishing as a Banking & Finance Industry 2024 Visionary. The list includes the top […]
Lilit Nersisyan Named Banking and Finance Visionary by LA Times
Withum is proud to share that Lilit Nersisyan, CPA, has been recognized by LA Times B2B Publishing as a Banking & Finance Industry 2025 Visionary. The list includes the top […]
Kim Ravenell Named a Finalist in the LABJ’s Women’s Symposium Awards
Withum is proud to share that for the second consecutive year the Los Angeles Business Journal has named Kim Ravenell as a finalist for their Mentor of the Year award […]
Los Angeles Business Journal Honors Two Withum Leaders As Influential Women
Withum is proud to share that the Los Angeles Business Journal (LABJ) has named Kerra Diener, Partner, and Lilit Nersisyan, Principal, on their Leaders of Influence: Women in Accounting list […]
Partner In Charge
Christopher 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.
