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  1. Get CertifiedLearn from industry leaders like Mark J. Kohler.
  2. Implement Our ToolsUse our playbooks for marketing, compliance, and client care.
  3. Grow With ConfidenceDeliver real value while we help you scale.

Ready to take your tax practice to the next level?

The Main Street Certified Tax Advisor program teaches you how to...

  • Unlock new income streams with advisory services.
  • Advance your practice and enhance your impact…with confidence.
  • Sharpen your skills with practical tax training for small practices.
  • Turn your tax knowledge into a 6-figure advisory powerhouse.

Hear From Professionals Like You

“Absolutely recommend this certification! The knowledge I have gained has changed my career path and life. The members in this group are like no other professional association I have been a part of in my 35 years in accounting/business. This community of professionals provides their knowledge/experience to help others in addition to the training provided to get answers to questions in a “no judgment” manner. This allows us to provide better solutions to our clients.”
Tonya Wise
"Dreams come true with this program created by Mark Kohler. I have been an accountant for 40 years and extremely familiar with the legal structure of businesses as well. But this tax certification from Mark is taking my expertise way beyond anything I even imagined. So thrilled, so grateful!"
Ronald L.
“Get your certification. You know, the more knowledge you have, the more you can help the people. Knowledge is power. It's a great benefit to everyone around your staff, your team members, your community, whoever you're helping. All Americans, really. Everybody. ”
Silvia D.

You Don’t Need to Be an Expert—You Just Need the Right Plan