About Us

A family business since 1993

Thomas, Thomas & Thomas, P.C. focuses on sales and use tax for all industries, with an emphasis on construction and oil and gas.  Our mission is to help people preserve their jobs, businesses, and way of life.  We tenaciously advocate for ourselves and everyone we serve.

The firm focuses on education, teaching our clients the ins and outs of sales tax for their industry through our regular classes and consulting services. We also represent clients in sales tax audits as necessary, perform nexus research throughout the country and execute other tasks related to state and local tax.

The firm was founded in 1993 by  Barbara J. Thomas, CPA, a former auditor with the Texas Comptroller’s office.  In 2001, daughters Mary and Stephanie joined the company. Barbara signed the CPA licenses of both her daughters while serving on the Texas State Board of Public Accountancy.

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Mary Thomas

Attorney-CPA --Principal

Mary brings her experience as a certified public accountant and attorney when working with clients, advising them on tax and legal matters regarding sales tax. Prior to joining Barbara J. Thomas, CPA in 1999, Mary worked as a compliance auditor at an internationally known health institution and as an auditor at a Big Four accounting firm. She researched external and internal reporting requirements, audited existing systems, and presented feasible solutions to bring the client systems into compliance with internal and external guidelines. Mary also gained diversified legal experience while working with law firms in Austin, TX and Houston, TX. She has volunteered her legal services at the First Court of Appeals.  When Mary’s not busy addressing client matters, she can be found playing with her dog Ella, playing bunco with the neighborhood ladies and listening to Diana Krall.

Education
Mary holds a Doctor of Jurisprudence from the University of Texas at Austin. She graduated magna cum laude with a Bachelor of Business Administration degree with a concentration in accounting from the University of Houston–University Park. Mary became licensed as a Certified Public Accountant and an attorney in 1997.

Affiliations
Texas Bar Association
Association of Attorneys- Certified Public Accountants
Texas Society of Certified Public Accountants, former member of the State Taxation Committee
Houston Bar Association
Former Vistage member
Former Rotarian
Former member of the Greater Houston Partnership, Professional Services Committee Chair

Stephanie Thomas

CPA-- Principal

Stephanie Thomas, is a certified public accountant whose career focus has been exclusively on state and local tax issues. Prior to joining the firm in 1998, she worked in the area of tax compliance in the state taxation departments of several Fortune 500 oil and gas exploration companies. Stephanie has extensive knowledge of issues concerning exemptions and compliance with state taxing authority rules and regulations. She works with state tax authorities on audit issues, prepares and presents tax credit documentation, and consults with clients on tax planning. Stephanie also runs the education component of Thomas,Thomas & Thomas, P.C., teaching Texas Taxes for the Construction Industry© and online courses to arm her students with knowledge to protect them from sales tax risks. When Stephanie isn’t teaching, she can be found playing with her dog Leonard, enjoying a good book or watching Grand Slam tennis.

Education
Stephanie graduated cum laude with a Bachelor of Business Administration degree with a concentration in accounting from the University of Houston–University Park. She became a licensed Certified Public Accountant in 2000.

Affiliations
Sales and use tax instructor, Texas Taxes for the Construction Industry ©, to the public on behalf of Thomas, Thomas &Thomas, P.C.
Former AGC–Houston Chapter instructor
State and local chapters of the Texas Society of Certified Public Accountants
Former Minority Contractors Association Instructor

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