Andersen Tax
- San Francisco, California
- International
- Large
- ASA · Verify
About
Andersen Tax is based in San Francisco, California and provides tax, valuation, financial advisory, and related consulting services. The firm holds ASA designation through the American Society of Appraisers. Andersen is the founding member of Andersen Global, operating in over 170 countries with more than 2,200 personnel in the U.S. across 27 cities.
Services & Specializations
Andersen Tax offers tax compliance and consulting, valuation analyses, private wealth advisory, transaction advisory support, and private and outsourced accounting services. The firm serves individuals, families, businesses, and alternative investment funds with customized solutions.
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Full Bio
Andersen Tax is an independent tax, valuation, and financial advisory firm based in San Francisco, California. The firm provides comprehensive services including tax compliance and consulting, valuation analyses, private wealth management, transaction advisory, and outsourced accounting to individuals, families, businesses, and alternative investment funds. As the founding member of Andersen Global, Andersen operates with over 2,200 personnel across 27 U.S. cities and maintains a global presence in more than 170 countries. The firm is staffed by advisors with experience from international accounting firms, law firms, the IRS, and state taxing authorities, many holding multiple professional credentials. Andersen operates independently without affiliation to financial institutions or audit practices, allowing it to avoid typical conflicts of interest.
Notable Engagements
Andersen serves individuals, families, businesses, alternative investment funds, and ultra-high-net-worth individuals. The firm provides comprehensive solutions for family offices and business entities of varying sizes.
Credentials & Verification
Credentials held by Matthew Dianich, each independently verifiable:
- VerifyASAIssued by American Society of Appraisers

