Ghirardo CPA is a tax, accounting, and business services firm based in Novato, CA, serving clients across Marin, Sonoma, Napa, San Francisco, and the wider Bay Area. The firm works with individuals, businesses, partnerships, estates, trusts, and corporations.

Its services include tax preparation and planning, accounting, bookkeeping, payroll, sales tax, IRS notice and audit help, and new business formation. The source materials also describe work in wealth planning, auditing, and business and real estate consulting, giving clients access to a range of finance and accounting support through one firm.