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Lawyer Profile

Image of William J. Kambas

William J. Kambas

Withersworldwide
  • Recognized Since:
    2017
  • Recognized in:
    Tax Law
  • Website:
    http://www.withersworldwide.co...
  • Location:
    430 Park Avenue, 10th Floor
    New York, NY 10022-3505
Bill’s practice is focused on tax planning for multi-national and multi-state personal, active business, and investment activities, with a particular emphasis on tax structuring and choice of business entity for US and non-US business owners and investors. He has represented a wide variety of private and public businesses including family owned, start-ups and multi-million dollar enterprises on purely domestic as well as inbound and outbound business transactions, cross-border investments (whether made directly or through investment funds or joint ventures), and qualification for US tax treaty benefits. In particular, Bill has considerable experience advising non-US persons on the US income and estate tax consequences and tax planning associated with the ownership of US real estate (whether residential or commercial, developmental, operational, or personal use). Bill is also admitted to practice before the United States Tax Court and assists clients with responding to inquiries from US federal and state tax authorities.
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  • Lawyer Bio
  • Client Comments
  • Firm Details

Lawyer Bio

Bill’s practice is focused on tax planning for multi-national and multi-state personal, active business, and investment activities, with a particular emphasis on tax structuring and choice of business entity for US and non-US business owners and investors. He has represented a wide variety of private and public businesses including family owned, start-ups and multi-million dollar enterprises on purely domestic as well as inbound and outbound business transactions, cross-border investments (whether made directly or through investment funds or joint ventures), and qualification for US tax treaty benefits. In particular, Bill has considerable experience advising non-US persons on the US income and estate tax consequences and tax planning associated with the ownership of US real estate (whether residential or commercial, developmental, operational, or personal use). Bill is also admitted to practice before the United States Tax Court and assists clients with responding to inquiries from US federal and state tax authorities.
Read more on firm website
  • Award List

Recognized in The Best Lawyers in America for work in:

  • Tax Law
 

Lawyer Client Comments

Firm Details

Image for Withersworldwide View Firm Profile
Withersworldwide
http://www.withersworldwide.co...
 
Headquarters
430 Park Avenue, 10th Floor
New York, NY 10022-3505
(212) 848.9800
12 Office Locations
in 6 Countries

Italy

Italy

Milan, Italy

Via Durini 18

Milan 20122

Italy

39 02 882141

Get Directions

Padua, Italy

Corso Milano 18

Padua 35139

Italy

39 49 65311

Get Directions

Japan

Japan

Tokyo, Japan

12F, Toranomon Kotohira Tower

1-2-8 Toranomon

MINATO-KU

Tokyo 105-0001

Japan

81 3 6866 8700

Get Directions

Switzerland

Switzerland

Genève, Switzerland

63 rue du Rhône

Genève 1204

Switzerland

41 22 593 7777

Get Directions

United Kingdom

United Kingdom

London, United Kingdom

20 Old Bailey

London EC4M 7AN

United Kingdom

44 20 7597 6000

Get Directions

United States

United States

California

California

Los Angeles, CA

1925 Century Park East, Suite 400

Los Angeles, CA 90067

United States

(310) 277.9930

Get Directions

Rancho Santa Fe, CA

6050 El Tordo

P.O. Box 2329

Rancho Santa Fe, CA 92067

United States

(858) 756.4410

Get Directions

San Francisco, CA

505 Sansome Street, Second Floor

San Francisco, CA 94111

United States

(415) 872.3200

Get Directions

Connecticut

Connecticut

Greenwich, CT

1700 East Putnam Avenue, Suite 400

Greenwich, CT 06870-1366

United States

(203) 302.4100

Get Directions

New Haven, CT

157 Church Street, 12th Floor

New Haven, CT 06510-2100

United States

(203) 789.1320

Get Directions

Virgin Islands (British)

Virgin Islands (British)

Road Town, Virgin Islands (British)

Little Denmark, 3rd Floor

P.O. Box 145

Road Town VG 1110

Virgin Islands (British)

284 494 49 49

Get Directions

 
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