Porter, Mark

Mark Porter


Tax Supervisor

Phone: 262.404.2130
Email me

About Mark

A true numbers guy and IRS Enrolled Agent, Mark Porter applies his expert technical skills to help clients make good business decisions. He strives to understand client needs and build long-lasting relationships. From employee benefits to product pricing analysis, Mark guides privately held businesses of various industries to utilize accounting technologies and understand the numbers that affect business profitability and success.

Clients appreciate that I take the time to get to know them on a personal and professional level. I leverage my skills and overall knowledge of their goals to benefit their businesses.

Mark is fluent in utilizing and training clients in the use of QuickBooks, Sage, and Peachtree. He has more than 23 years of experience in public accounting and has worked in all aspects of the accounting process including accounts receivable, accounts payable, tax return preparation, bookkeeping reconciliation, and financial statement preparation and review.

Mark is very active and enjoys running, biking, and CrossFit. He is a certified wreck diver. He is passionate about animals, including his teddy bear pups. Mark is a regular volunteer with the Humane Society of Ozaukee County.

Areas of Focus

Accounting and Bookkeeping


Financial Statement Preparation and Review


  • Bachelor of Business Administration
  • Accounting
  • Concordia University
  • IRS Enrolled Agent

Recent Posts by Mark

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