About James

Jim Thomas is a partner in the Tax & Business Services Division. He works with a wide range of companies and has a knack for providing money-saving tax and operational ideas.

Jim conducts advisory services, business succession planning, practice transition, tax assistance including tax credit calculations, and a host of other services.

Businesses of all sizes benefit from Jim’s knowledge. Family businesses, partnerships, large and small corporations all find value in the special skills of an accountant trained, experienced, and proficient in advisory and taxation services.

In 2007, Jim earned his Series 65 license as an Investment Advisor Representative as well as the Personal Financial Specialist (PFS) designation awarded by the American Institute of CPAs (AICPA).

Prior to joining Marcum, Jim was co-founder and principal of BWTP P.C.

Professional & Civic Affiliations

  • American Institute of Certified Public Accountants (AICPA)
  • Missouri Society of Certified Public Accountants (MOCPA)
Practice Focus

Tax Planning
Business Transitions

Industry Focus

Closely Held Businesses
Family-Owned Businesses
Dental & Physician Practices
Real Estate Development


Bachelor of Science in Business, Major in Accounting
Southern Illinois University at Edwardsville