Partner
Tax Lawyers
Legal
New York City
Tax planning
Tax structuring
Real estate
Accounting
Business and Consumer Services
Real Estate
Solicitor
Spear’s Review
A leading light in Withers’ US private client and tax team, William J. Kambas provides tax planning for multinational and multi-state HNWs, businesses and investors, with a particular emphasis on tax structuring and choosing the right business entity for US and non-US owners and investors.
Kambas has represented a variety of private and listed businesses – including family-owned enterprises, start-ups and multi-million-dollar ventures – on domestic and cross-border matters. He has considerable experience advising on tax planning for US-based real estate investments.
Outside of his practice, he has lectured widely, including at the Heckerling Institute, Yale University, Columbia Business School, the University of Connecticut, Fairfield University, the International Fiscal Association and the American Bar Association.
Rank: Top Recommended
Top Recommended 2024, Tax Lawyers
Top 100
Withers
Power List
London
Top 100 2024 Power List
Top Flight
Withers
Family Lawyers
London
Top Flight 2024 Family Lawyers
Top Flight
Withers
Family Lawyers
London
Top Flight 2024 Family Lawyers
Top Flight
Withers
Reputation & Privacy Lawyers
London
Top Flight 2024 Reputation & Privacy Lawyers
Top Recommended
Withers
Family Lawyers
London
Top Recommended 2024 Family Lawyers
Top Recommended
Withers
Family Lawyers
London
Top Recommended 2024 Family Lawyers
Top Recommended
Withers
Family Lawyers
London
Top Recommended 2024 Family Lawyers
Top Recommended
Withers
Family Lawyers
London
Top Recommended 2024 Family Lawyers
Top Recommended
Withers
Employment Lawyers
London
Top Recommended 2024 Employment Lawyers
Top Recommended
Withers
Art Lawyers
London
Top Recommended 2024 Art Lawyers
Top Recommended
Withers
Wealth & Investing
Boston
Top Recommended 2023 Life Sciences
Top Recommended
Withers
Employment Lawyers
London
Top Recommended 2024 Employment Lawyers
Top Recommended
Withers
Landed Estate Lawyers
London
Top Recommended 2024 Landed Estate Lawyers
Top Recommended
Withers
Life Sciences
London
Top Recommended 2023 Life Sciences
Top Recommended
Withers
Life Sciences
Boston
Top Recommended 2023 Life Sciences
Top Recommended
Withers
Reputation Managers
New York City
Top Recommended 2024 Reputation & Privacy Lawyers
Top Recommended
Withers
Trusts, Structuring & Offshore
New York City
Top Recommended 2024 Trusts, Structuring & Offshore
Top Recommended
Withers
Tax Lawyers
London
Top Recommended 2024 Tax Lawyers
Top Recommended
Withers
Family Lawyers
London
Top Recommended 2024 Family Lawyers
Top Recommended
Withers
Aviation & Yachts Lawyers
Hong Kong
Top Recommended 2024 Aviation & Yachts Lawyers
Top Recommended
Withers
Corporate Lawyers, Litigation and Dispute Resolution
London
Top Recommended 2024 Corporate Lawyers, Litigation and Dispute Resolution
Top Recommended
Withers
Life Sciences
Boston
Top Recommended 2023 Life Sciences
Top Recommended
Withers
Contentious Trust Lawyers
London
Top Recommended 2024 Contentious Trust Lawyers
Top Recommended
Withers
Tax Lawyers
London
Top Recommended 2024 Tax Lawyers
Top Recommended
Withers
Tax Lawyers
London
Top Recommended 2024 Tax Lawyers
Top Recommended
Withers
Tax Lawyers
London
Top Recommended 2024 Tax Lawyers
Top Recommended
Withers
Tax Lawyers
London
Top Recommended 2024 Tax Lawyers
Top Recommended
Withers
Tax Lawyers
London
Top Recommended 2024 Tax Lawyers
Recommended
Withers
Legal
London
Recommended 2024 Property Lawyers
Recommended
Withers
Family Lawyers
London
Recommended 2024 Family Lawyers
Recommended
Withers
Family Lawyers
London
Recommended 2024 Family Lawyers
Recommended
Withers
Criminal Lawyers & White Collar Crime
London
Recommended 2024 Criminal Lawyers & White Collar Crime
Recommended
Withers
Corporate Lawyers, Litigation and Dispute Resolution
London
Recommended 2024 Corporate Lawyers, Litigation and Dispute Resolution
Recommended
Withers
Corporate Lawyers, Litigation and Dispute Resolution
Milan
Recommended 2024 Corporate Lawyers, Litigation and Dispute Resolution
Recommended
Withers
Immigration Lawyers
London
Recommended 2024 Immigration Lawyers
Recommended
Withers
Art Lawyers
London
Recommended 2024 Art Lawyers
Recommended
Withers
Property Lawyers
London
Recommended 2024 Property Lawyers
Recommended
Withers
Property Lawyers
London
Recommended 2024 Property Lawyers
Recommended
Withers
Reputation & Privacy Lawyers
London
Recommended 2024 Reputation & Privacy Lawyers
Recommended
Withers
Tax Lawyers
London
Recommended 2024 Tax Lawyers
Recommended
Withers
Accountants & Tax Advisers
London
Recommended 2024 Accountants & Tax Advisers
Rising star
Withers
Reputation & Privacy Lawyers
London
Rising star 2024 Reputation & Privacy Lawyers