OUM Joins Its Practice with Withum

On July 15, 2021, OUM & Co., LLP (OUM), a public accounting and business advisory firm headquartered in San Francisco, CA, joined its practice with WithumSmith+Brown, PC (Withum), a nationally recognized CPA and advisory firm with 15 offices, and annual revenue of $300M, ranking in the top 25 firms in the country.

OUM’s eleven partners and approximately eighty team members will be added to the Withum roster and will remain at their locations in San Francisco and Carlsbad, CA.

We are very enthusiastic about joining forces with Withum and believe this union will take us to the next level in client service and career opportunities for OUM team members. For over 45 years, OUM’s continued commitment to providing unmatched service has enhanced the delivery of the quality expertise our clients have come to expect. OUM and Withum share a commitment to the highest level of integrity, as well as a nimble, flexible and innovative culture and approach to problem-solving. These factors were instrumental in our decision to unite. At OUM, our values have been the central focus of our business, and they will remain so as we continue to service under the Withum brand.

Chris Millias, Managing Partner, OUM

OUM joins Withum - Bill Hagaman

Our clients will now have direct access to a larger network of national and international resources, deeper technical expertise and specialized knowledge in additional service areas. With over 1,350 team members located around the country, OUM’s existing office locations further amplify Withum’s current West Coast presence

Doug Pallotta, Newly Appointed Partner-in-Charge, San Francisco and Carlsbad Offices, Withum

Not only does this strategic partnership enhance our presence on the West Coast, but it also expands our Technology and Life Science industry practices at the national scale. Just as important, this union is a terrific culture fit as both firms have similar core values that put our people first, which in turn produces natural synergies that will benefit our clients throughout industry expertise and innovative solutions.

Bill Hagaman, CPA, CGMA, Managing Partner and CEO, Withum

Additional industry strengths resulting from the Withum and OUM union include financial services, insurance, healthcare, not-for-profit, private equity, real estate, manufacturing, and food and beverage, as well as a robust menu of client accounting and advisory services.

About OUM & Co. LLP

OUM is one of the leading CPA and business advisory firms in California with over 90 professionals. OUM has provided assurance and audit, tax, SEC compliance, and client accounting and advisory services since 1976. Headquartered in San Francisco, CA, with an office in Carlsbad, CA, OUM is committed to integrity and quality service, resulting in long-term relationships with public, private and high net worth individual clients.