HARRISON TAX LAW PLLC

INTERNATIONAL TAX LAW

Harrison Tax Law PLLC is a boutique international tax law firm specializing in U.S. international tax planning and tax controversy representation.  With decades of sophisticated experience, we provide bespoke advice to High Net Worth (HNW) and Ultra-High Net Worth (UHNW) families and their closely-held businesses.

Key Practice Areas:

  • Inbound Tax Planning for Non-U.S. Persons, including withholding tax and FIRPTA matters.
  • Outbound Tax Planning for U.S. Persons with business and investment activities abroad, including Subpart F, GILTI and Passive Foreign Investment Company (PFIC) matters.
  • Audits and Tax Controversies, Tax Compliance and Offshore Voluntary Disclosures with the Internal Revenue Service.
  • International Estate and Wealth Transfer Planning involving Foreign Trusts, Foreign Foundations and Foreign Companies, including post-mortem planning and compliance matters.
  • Pre-Immigration Tax Planning for Non-U.S. Persons.
  • Expatriation Tax Planning for U.S. Persons.
  • U.S. Tax Treaty planning matters.

About

Mr. Harrison’s practice focuses on inbound and outbound international tax matters for closely-held businesses and high net worth families, including cross-border trust and estate planning. Mr. Harrison has vast experience in international tax controversy matters at all levels with the Internal Revenue Service, including initial audits, criminal investigations, administrative protests and appeals, private letter ruling requests and United States Tax Court proceedings. Mr. Harrison has also handled numerous remedial compliance and voluntary disclosure matters with the Internal Revenue Service.

“AV” rated by Martindale-Hubbell
2011-2023 Best Lawyers in America (Tax Law)
2011-2012, 2021-2022 Florida Super Lawyers (Tax)
2011 , 2021 Florida Trend Legal Elite (Tax)

Education:
B.S.B.A. (Finance), University of Florida, 1980
J.D., University of Florida, 1984
LL.M. (Taxation), New York University, 1985

Bar Admissions:
The Florida Bar

Professional Organizations:
Society of Trust & Estate Practitioners (STEP)
Society of International Business Fellows
American Bar Association (Sections on Taxation, International Law, Real Property, Probate and Trust Law)
Hillsborough County Bar Association

Contact

Harrison Tax Law PLLC
William T. Harrison, III
P. O. Box 320757
Tampa, FL  33679
USA

Tel: +1 813 964 6438
Fax: +1 813 354 2462
Email: wth@hktaxfirm.com

 

Selected Publications

William M. Sharp, Sr., Larry R. Kemm and William T. Harrison, III, The Swiss-U.S. Banking Compliance Program- A Final Settlement?, Tax Notes International, September 30, 2013, at 1345.

William M. Sharp, Sr., Larry R. Kemm and William T. Harrison, III, The 2012 Offshore Voluntary Disclosure Program: Analysis, Insight, and Intrigue, Tax Notes International, August 13, 2012, at 681.

Larry R. Kemm, William M. Sharp, Sr. and William T. Harrison, III, Liechtenstein and the U.S.: The Long Road to Full Disclosure, Tax Notes International, July 23, 2012, at 355.

William M. Sharp, Sr., William T. Harrison, III, Rachel A. Lunsford, Scott A. Harty, A Comparative Analysis of The Channel Islands and Isle of Man TIEAs, Tax Notes International, December 16, 2002, at 1127.

William M. Sharp, Sr., William T. Harrison, III, Rachel A. Lunsford, Scott A. Harty, U.S. Tax Information Exchange Agreements: A Comparative Analysis, Tax Notes International, October 14, 2002, at 145.

William M. Sharp, Sr., William T. Harrison, III, Rachel A. Lunsford, Settling IRS Examinations and tax Court Cases, Tax Notes International, July 8, 2002, at 235.

William M. Sharp, Sr., William T. Harrison, III, Scott A. Harty, Post-11 September use of Offshore Tax Havens: the Dos and Don’t’s, Tax Notes International, April 22, 2002, at 351.

William M. Sharp, Sr. and William T. Harrison, III, IRS Finally Sees Off-shore Scams, The Business Journal, April 19-25, 2002, at 63.

William M. Sharp, Sr., William T. Harrison, III, Scott A. Harty, Successfully Dealing with the IRS from an Offshore Perspective: Pitfalls and Opportunities, Cayman Executive, Fourth Quarter 2001, at 36.

 

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