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“Helping you build for the future.”

WELCOME TO Mark Undis CPA LLC

At Mark Undis CPA LLC, the careful management of your finances is our top priority. We pride ourselves on giving you a personalized and thorough service that meets your business or individual needs.


Tax Service

We use a team approach and focus on timely communication to provide our clients with excellent service. Tax partner and specialist involvement ensure that our clients receive the most experienced technical expertise we have to offer...

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Accounting Service

We can manage all your accounting and bookkeeping needs, from data entry to financial reporting. Our accounting services accurately track your revenue and expenses, providing up-to-date accounting information giving you valuable insight into...

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Business Consulting

Every organization can benefit from being introspective, skeptical, and analytical regarding their finances. We work with organizations to develop the predictive capabilities necessary to adapt to rapid changes and outperform their peers...

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Business Valuation

Business valuations enable you to determine the value of a business and its components accurately. It is essential that you know what a business is worth, whether you are buying, selling, involved in litigation...

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Automated Payroll

We offer customized electronic payroll systems to meet the specific needs and demands of your business. Letting us handle your payroll means you never have to worry about keeping up with tax law...

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Succession Planning

Succession planning is a process for identifying and developing new leaders who can replace old leaders when they leave, retire or die. Succession planning increases the availability of experienced...

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OUR TEAM

At Mark Undis CPA LLC, the careful management of your finances is our top priority. We pride ourselves on giving you a personalized and thorough service that meets your business or individual needs.

Mark Undis
CPA Managing Member

Over 35 years working with family owned businesses.

Kathy Hebert
Managing Member Accounting Services

15+ years of accounting experience focused on the retail hardware industry.

Paula Quade
Administrative Assistant

As administrative assistant Paula gets completed tax returns ready for delivery.

Patricia Undis
Head Chef

Pat is a retired art teacher and Mark's better half.

why choose us

A detailed listing of the services we provide is set out under What We Do. Take a look at what we have to offer and how we can help you or your business.

  • As a Real Estate Broker, General Contractor and Landlord, I rely on Mark's knowledge to help me plan for and prepare my personal and business tax returns. I have been referring my friends and customers to Mark Undis for several years for the their individual and business tax preparation and tax consulting needs. I am very picky about who I refer people to. Mark is the first CPA I have referred anyone to! I recommend Undis CPA without hesitation.

    thumb Brent K
    October 12, 2020

    I have been working with Mark and Kathy for many years. They have always provided great service. More importantly, Mark has provided thoughtful advice through good times and down periods. Top Recommendation!

    thumb Ham Lake Hardware Hank
    December 4, 2020

  • We needed a new accountant. Our old one wasn't getting it done. I had previous contact with Mark 20 years earlier. His name came up as a possible replacement for our accountant. I immediately knew this was going to be a good choice. The only sad part is I didn't look him up for our accounting work 10 years earlier. He knows his stuff inside and out. He files all the legal claims and never misses a beat. Totally recommend him.

    thumb Todd Spanjers
    November 20, 2020

    I’ve been using Marks services for over twenty years. It began with my Hardware store, and has evolved into a few different businesses. Not only is he my Accountant, he has become a great friend.

    thumb Dave Kerr
    November 9, 2020

  • When I changed from my old CPA to Mark Undis, he immediately found and filed for refunds that the old CPA missed. Besides saving money on taxes, Mark also handles my personal taxes, and has given me some good advice on saving money on other things too, like insurance. Mark really gets to know his clients on both a business and personal level to best serve their particular situation. I would definitely recommend Mark Undis to any small business who wants a CPA more in-tune with their needs!

    thumb Dan Puraty
    September 18, 2020

    Mark and Kathy are wonderful to deal with! They care about all their clients and are very professional. I trust their expertise and would recommend everyone I know to them.

    thumb paula quade
    December 20, 2021