Girish Mahajan

Andersen Tax

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Industry  Professional Services
Key people  Mark Vorsatz, CEO
Number of locations  19 Offices (2017)
Founded  2002
Andersen Tax photosprnewswirecomprn20080918AQTH508LOGO
Type  Limited Liability Company
Headquarters  San Francisco, California
Services  Tax Business Advisory Valuation Financial Advisory Wealth Management

Andersen Tax, founded in 2002 by 23 former public accounting firm partners, is one of the largest independent tax firms in the United States, providing a wide range of tax, valuation, financial advisory and related consulting services to individual and corporate clients across the country. As an independent advisory firm that is not affiliated with an auditing firm, Andersen Tax is not restricted in its ability to provide a full range of tax advisory services to businesses. On September 2, 2014 WTAS changed its name to Andersen Tax. The firm has over 900 personnel located in 19 major U.S cities and has an international presence in Europe and Latin America through Andersen Tax Global.



In July 2002, in the wake of Arthur Andersen's demise, Andersen announced that HSBC USA, Inc., through a new subsidiary, Wealth and Tax Advisory Services USA Inc. (WTAS), would purchase a portion of Andersen's tax practice. The new HSBC Private Client Services Group would serve the wealth and tax advisory needs of high-net-worth individuals.

On December 31, 2007, HSBC USA Inc. sold Wealth & Tax Advisory Services USA Inc. (‘WTAS’) to participating WTAS managing directors in a management buy-out. In consideration for the sale, HSBC would receive US $5 million in cash and deferred notes with a principal amount totaling US $60.85 million.

Since the HSBC sale, WTAS has dropped “Wealth and Tax Advisory Services” and is now referred to as WTAS LLC.

On September 2, 2014 WTAS changed its name to Andersen Tax.


WTAS was ranked among the Top 100 Tax Firms by Accounting Today since 2010.


WTAS is organized around the following three client groups:

Private client services

  • Families with multi-generational wealth/family offices
  • Closely held business interests
  • High-net-worth individuals
  • Families with international wealth
  • Corporate executives and entrepreneurs
  • Private foundations and charitable trusts
  • Commercial services

  • Large, public companies
  • Middle market public companies
  • Privately held businesses
  • Venture-backed companies
  • Alternative investment services

  • Private equity groups and portfolio companies
  • Hedge funds
  • Real estate
  • Venture capital
  • References

    Andersen Tax Wikipedia

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