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Olsen Thielen does more than just accounting and taxes. We are a full service accounting and consulting firm focused on providing top quality solutions for our clients.

We believe our job is to anticipate your needs and provide innovative and proactive answers and solutions. By applying our professional talents and experiences to your unique business, Olsen Thielen brings timely and cost effective value to your business.

This philosophy has made Olsen Thielen a trusted adviser to business owners in the Upper Midwest for over 90 years.

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    Interesting Facts

    –Between 1960 and 1977, the secret number authorizing U.S. presidents to launch nuclear missiles was 00000000.

    –In 1969, Apollo 11 returned from the moon in half the time it took to get from Boston to New York by stagecoach in 1769.

    –The first motorist to…

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    Tips on Travel While Giving to Charity

    Do you plan to donate your services to charity this summer? Will you travel as part of the service? If so, some travel expenses may help lower your taxes when you file your tax return next year. Here are five tax tips you should know…

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    Upcoming Events

    MMGMA Summer Conference

    Olsen Thielen is a Bronze Sponsor of the MMGMA (Minnesota Medical Group Management Association) Summer Conference that will be held July 23-25 at the DECC in Duluth, Minnesota.  Visit Olsen Thielen at booth #4.  More conference information.