William Sánchez

Professional Career Highlights

William is a Manager at Alvarado Tax & Business Advisors LLC (“ATBA”) and has over ten years’ experience between the corporate/individualtax advisory and accounting areas. William provides corporate tax services for clients in the telecommunications, construction, food and beverage industry. In addition, he provides accounting services to clients in the solar, real estate and food and beverage businesses.

Before joining ATBA, William worked for five years as a Controller in the sales and distribution industry. Prior to that, he worked in the audit and tax departments of other local accounting firms in San Juan and in the tax department of the Puerto Rico Telephone Company. William also worked as an experienced staff tax associate of Andersen’s Tax and Business Advisory Service Practice in San Juan until 2002. William joined Andersen in 2000.

William graduated from the University of Sacred Heart with a Bachelor’ s Degree in Business Administration.


Tel. (787) 620-7729  wsanchez@nullalvatax.com


  • Bachelor’ s Degree in Business Administration