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Diosdi Ching & Liu, Llp

Tax Law

Diosdi & Liu, LLP is a specialized tax law firm with offices in San Francisco, Pleasanton, and Fort Lauderdale, serving clients across the United States and around the globe. The firm's attorneys handle the full spectrum of domestic and international tax matters, including IRS audits and controversies, criminal tax defense, international penalties, cross-border mergers and acquisitions, FBAR and offshore voluntary disclosure, expatriation, FIRPTA, cryptocurrency taxation, estate tax planning, an

Hours

• Mon: 9 AM – 5 PM
• Tue: 9 AM – 5 PM
• Wed: 9 AM – 5 PM
• Thu: 9 AM – 5 PM
• Fri: 9 AM – 5 PM
• Sat: 9 AM – 5 PM
• Sun: 9 AM – 5 PM
• Mon, Tue, Wed, Thu, Fri: 9 AM – 5 PM

Services

• Tax Legal Services
• Tax Audits, Controversies, and Litigation
• International Tax Penalties
• Tax Planning and Opinions
• International Tax Planning and Advice
• Cross-Border Mergers and Acquisitions
• Criminal Tax Representation
• IRS Offshore Voluntary Disclosure Representation
• FBAR Preparation and Penalty Defense
• FIRPTA
• Expatriation
• Estate and Gift Tax for Foreign Investors
• Estate Tax Planning
• Taxation of Foreign Pensions
• Tax Planning of Cross-Border Cloud Computing Transactions
• Cryptocurrency Tax Matters
• Tax-Exempt and Nonprofit Organizations
• IRS Representation and Compliance
• Tax Preparation of Form 5471
• Preparation of Form 5472
• Preparation of Form 3520
• Preparation of Form 8621 and PFIC Reporting
• State Tax Planning and Litigation
• Independent Contractor Disputes
• Commercial Litigation
• Tax Preparation
• Recent Posts
• Recent Resource Articles
• Get Tax Help Now: 415.318.3990
• The Limitations Placed on Hybrid Entity Tax Planning

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Sources: BrightQuery (CDLA-Permissive-2.0); business website read 2026-10-14. About our data.