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John G. Martens, CPA

John Martens

Direct: 314-317-6527


John is a principal with the firm with over 35 years of experience in assisting clients with a broad range of tax and small business services, as well as their financial direction. He enjoys bringing that tax and financial experience to the table in being a partner and confidant to small business owners and individuals presenting solutions to meet the challenges of their goals and objectives. 

In addition to his degree in Business/Accounting from the University of Missouri St. Louis and being a Certified Public Accountant, John is a licensed securities and insurance broker and Investment Advisor Representative. 


  • Member, Missouri Society of Certified Public Accountants
  • Member, American Institute of Certified Public Accountants
  • Investment Advisor Representative
  • Licensed Securities and Insurance Broker 


  • Volunteer Lutheran Senior Services Volunteer Money Management Program
  • Former Board Member of the Webster Groves Area Chamber of Commerce
  • Coach, Sacred Heart Girls parochial basketball program