Mandy Diaz focuses her practice on business planning and formation (including corporate formation and reorganization, limited liability companies, and partnerships), income tax, transfer tax, mergers and acquisitions, employee benefits, executive compensation, and general corporate matters.

Mandy served as the chair of the firm’s Women’s Initiative program in 2022.

Honors & Recognitions

Texas Rising Stars, Tax, 2016-17



J.D., University of Houston Law Center, cum laude, 2006

Order of the Barons, Member

B.S., University of Houston-Clear Lake, summa cum laude, Legal Studies, 2000




Mandy Diaz’s representations include the following:

  • Designing and analyzing business structures to maximize preservation of wealth and transfer of wealth to lower generations.
  • Advising on choice of entity, tax, and business considerations for business start-ups, including drafting and negotiating limited liability company and partnership agreements.
  • Assisting clients with federal and Texas state tax (including franchise, margin, and sales taxes) planning and compliance regarding a variety of business combinations and reorganizations.
  • Advising private businesses on employment matters, purchasing other businesses, admitting key employees as owners, and succession planning.
  • Assisting taxpayers with state tax audits and other controversies with Texas taxing authorities.
  • Submitting employee benefit plans to the IRS for favorable tax qualification letters and voluntary correction programs.
  • Analyzing and implementing employee benefit plan terminations.
  • Representing clients in transactions, including analysis of employee benefits and executive compensation under ERISA and the Internal Revenue Code in connection with mergers, acquisitions, corporate restructurings, investments, and loans.
  • Advising clients regarding transfer of business entities to lower generations in a tax-efficient manner.
  • Obtaining a favorable private letter ruling regarding a rescission transaction.




Texas Bar Foundation, Fellow

State Bar of Texas, Member

American Bar Association, Member

Houston Bar Association, Member of Tax and Estate Planning and Probate Sections

Houston Bar Association Tax Section, Chair