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C-Corporation to S-Corporation

Should you switch from a C-Corporation to S-Corporation?  If you are thinking about switching entity types, there are a number of important issues you need to look at before finalizing your decision of which is best in your particular circumstances.
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Olsen Thielen Named a Regional Leader

Olsen Thielen has been named a "Regional Leader" on Accounting Today's list of "Top Firms in the Midwest" for 2022. OT ranks as one of the top-performing CPA firms with under 100 employees as well.
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Updated Buy-Sell Agreement

An updated buy-sell agreement is a critical tool for owners of closely held manufacturing companies. It ensures an orderly ownership and management transition when an owner dies, becomes disabled, or otherwise leaves the company.
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Tax-Favored Retirement Plan

VIDEO: If your business doesn’t already have a retirement plan, now might be a good time to explore the benefits of a tax-favored retirement plan. Current retirement plan rules allow for significant tax-deductible contributions.
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Entrepreneurs and Taxes

If you have started or are contemplating starting a new business, as a new business owner you need to be aware of the implications that affect entrepreneurs and taxes.
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Kelly M. Salwei, CPA, CMA, to Retire August 31

Kelly joined Olsen Thielen in 1985, after six years with a CPA firm in northern Minnesota. We thank Kelly for his leadership in our Eden Prairie office and offer him our best wishes as he transitions to his new role as a retiree.
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Olsen Thielen Celebrates 100 Years

Nearly 100 years ago, Olsen Thielen was founded on the belief that personal attention, trust, and quality service were the key elements to helping our clients succeed, and that commitment remains.  commitment to their clients and their community. 
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Linda M. Nelson to Retire December 31, 2020

After a long and remarkable career, Linda Nelson has decided that effective December 31, 2020, she will be retiring from Olsen Thielen.  We want to thank Linda for her knowledge, dedication, and everything she did for clients and colleagues.
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Magen Koepp Named to Top Women in Finance 2020

We are pleased to congratulate Olsen Thielen's principal, Magen Koepp, for being named a Top Women in Finance 2020 Honoree. Finance & Commerce has honored Minnesota’s Top Women in Finance each year since 2001. 
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Adam P. Thielen Elected Principal

We are pleased to announce that Adam P. Thielen, CPA, was elected Principal, effective September 1, 2020.
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Andrew Janneke to Retire

After 40 years at Olsen Thielen, Andy Janneke is transitioning his responsibilities and will be retiring in December 2019.
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New Principals Elected

We are pleased to announce Matthew J. Klein and Nathaniel L. Nelson have been elected Principals of the firm, effective September 1, 2019. With their election, Olsen Thielen now has 21 Principals and over 86 staff.
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Remembering Robert J. Olsen

With great sadness we announce the passing of a Robert J. Olsen on March 13th.  Bob was a terrific business leader, mentor, husband, and father.  Bob and Reynold Thielen took the reins of the firm in 1957 and led it through a period of tremendous growth. 
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Magen M. Koepp Elected Principal

Olsen Thielen is pleased to announce Magen M. Koepp was elected Principal of the firm, effective September 1, 2018. Magen is an Employee Benefit Plan Specialist and has ten years of experience in accounting, auditing and consulting.
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Hennen Appointed Board Chair

Olsen Thielen is proud to announce Adam Hennen has been appointed Board Chair for the White Bear Area Chamber of Commerce.
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