Marshall Deon Mennenga

Current Employers

Employment History

• 11/1988 → 10/2025
  Madsen & Mennenga Income Tax Service
  Madison, WI
• 06/2010 → 10/2025
  Woodbury Financial Services, Inc
  Madison, WI
• 09/2016 → 10/2025
  Harbour Investments, Inc
  Madison, WI
• 09/2016 → 10/2025
  Mennenga Tax & Financial Service
  Madison, WI
• 10/2025 → Present
  Merit Financial Advisors
  Alpharetta, GA
• 01/2026 → Present
  Merit Tax Advisors
  Madison, WI

Previous Registrations

• 2016-10-21 → 2025-11-03
  Harbour Investments, Inc.
  Madison, WI
  Madison, WI
  Madison, WI
• 2010-06-21 → 2016-10-27
  Woodbury Financial Services, Inc.
  Madison, WI
  Naples, FL
  Madison, WI
• 1996-01-25 → 2010-06-21
  Avantax Advisory Services
  Madison, WI

Other Businesses

1) Merit Financial Advisors. Investment related. At registered location. RIA. Investment Adviser. 11/3/2025. 160. 160 during securities trading hours. Provide advice to clients. 2) Merit Financial Advisors. Non-investment related. At registered location. Fixed insurance. Insurance agent. 11/3/2025. 1. 1 hour during securities trading. Provide insurance advice based on the needs of client(s). 3) Madison College Foundation. Non-Investment Related. 3591 Anderson Street, Suite 203A. Charitable/ Non-Profit Organization. Board member. 07/15/2014. 3. 3 during securities trading hours. Member of the board and we meet quarterly, also on the Governance committee and the Finance and Investments committee. 4) Merit Tax Advisors non investment related. 814 Atlas AVe Madison WI. Tax Prep. Tax Advisor. Start 10/2025. Manage tax Staff and work with clients on tax planning 40 hours/ 40 hours.

Exams

• S63 Uniform Securities Agent State Law Examination
  1987-03-10

Other Names

• Marshall Deon Mennenga