“It helps a lot when you understand the people you work with. That’s pretty much why we do what we do.”

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Industries

Agribusiness & Cooperatives

Agribusiness is one of the most uniquely diverse industries, and we have the flexibility and work ethic to meet your accounting and cooperative auditing needs. We are an experienced and trusted firm whose knowledge of the industry can be put to work for you.

Credit Unions

Our experience and knowledge of the credit union industry can help you navigate the ever-changing landscape of regulations and requirements. Our insight into the field and our personalized customer care has allowed us to serve more Iowa credit unions than any other firm in the state.

Governmental Entities

The needs of city or county government auditing are unique and require the type of knowledge and experience Gardiner Thomsen has. We specialize in partnering with government bodies of any size, so our clients know they are getting the best service to best serve their constituents.

News

Still filing a paper return? Be sure you understand the “timely mailed = timely filed” rule

The IRS considers a paper return that’s due April 15 to be timely filed if it’s postmarked by midnight on April 15. But dropping your return in a mailbox on the 15th may not be sufficient. For example, let’s say you mail your return with a payment on April 15, but the envelope gets lost. […]

“...Gardiner Thomsen is a leader in the agribusiness auditing for cooperatives. Our partnership with the firm has history and ongoing meaning for our cooperative to take us to the next level in our size and scope of our future business.”

Jim Carlson, General Manager, First Cooperative Association

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