Hamersley Partners is headquartered in Northern California and provides a broad range of best-in-class tax consulting and business advisory services, both directly and through strategic alliance partners located throughout the United States and various foreign jurisdictions.  


Each of the strategic alliance partners selected by Hamersley Partners has a proven track record of professional integrity, consistent adherence to best practices, and exceptional client service as a partner, managing director, or senior manager at a Big Four accounting firm, international law firm, or other top-tier tax practice.

The services offered by the firm include business transaction negotiation, structuring, and analysis; tax consulting advice and planning; taxpayer representation before the Internal Revenue Service, United States Tax Court, California Franchise Tax Board, California Department of Tax and Fee Administration, and California Office of Tax Appeals; and expert witness testimony and tax-related litigation services.