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Our Company

Fiser Group is an accounting and financial services company for businesses and professional service companies, such as medical practices, dentists, architects, engineers, and law firms.

Our services include tax planning, tax return preparation, financial statements, CFO services, merger and acquisition consulting, wealth management, financial planning, property and casualty insurance, practice management, medical staff recruitment, medical billing services, and property management.

We pride ourselves on our ability to offer services that rival any large accounting, consulting, or financial planning firm with the kind of personal service that you can only find in a privately owned, locally founded firm.

Many of our clients have been with us for over 20 years, and we truly function as a vital part of their management team. The value we bring you is not to simply fill out forms and make sure you file reports or returns timely. Rather, our objective is to be proactive and help you and your business implement tax, financial planning, and business strategies that improve your bottom line and protect your net worth.
Our company was founded in 1993 and we have over 20 associates on staff. Fiser Group is a member of the Lenexa Chamber of Commerce and Shawnee Chamber of Commerce.

Tax & Accounting

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Financial Planning

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Property & Casualty 

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Fiser Group Hosts Chamber Events

The Shawnee Chamber morning breakfast will be hosted by Fiser Group at the Fiser Group office on Thursday, May 25th. Coffee, pastries, door prizes and good conversation is guaranteed!

Also, Fiser Group will be hosting their 7th Annual Morning Tailgate on our back patio for Lenexa Chamber of Commerce members on the morning of August 31st.  Wear your favorite sports jersey or colors and help us kick off football season with a bang! We will be grilling brats and sausage and there will be numerous door prizes.

Tom Celebrates 15 Years!

Tom Thornhill, CPA, partner-in-charge of Tax and Accounting Department at Fiser Group just celebrated 15 years at the company this year. Congrats to Tom!

Is it Pfizer, Fisher, or what?

The name is pronounced “Fisher”, but the correct spelling is Fiser. It is like there is an invisible “h” after the "s".

So what is the deal? The name originated in Czechoslovakia, many, many years ago. Back then, it looked like this: Fišer

That little symbol above the “s” is called a caron, and it makes the “s” letter be pronounced in the old country as a “sh” sound. Of course, 200 years ago (like today) America did not use such European symbols, so the caron above the “s” was dropped when they arrived on the boats. Rather than the ancestors adding an “h” to the name to Americanize it, I guess they just went with it.

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Meet Our Management Team

Mitch Fiser, CPA, CFP


Thomas Thornhill, CPA


Nathan Fiser, CFP