Partner-in-Charge, Withum

Passmore is the partner in charge of Withum’s Encino office and leads more than 60 professionals in providing audit, tax and advisory services. While he services a wide variety of clients, he has developed a reputation as an expert in technology companies, professional service firms, franchised businesses and benefit plans. As the managing partner of Martini Partners, Passmore led its merger with Withum in February 2022. The Los Angeles Business Journal last year put Passmore on its Top 100 Accountants and Thriving in their 40s lists. The San Fernando Valley Business Journal this year put him on its Most Trusted Advisors list.

YEARS ON THE LA500: 1