We pride ourselves on giving you personalized and thorough service that meets your business or individual needs.


We pride ourselves on giving you personalized and thorough service that meets your business or individual needs.
ABOUT US
We combine the experience of a large firm with the personal attention that only a small firm can provide. Our clients come back to us year after year because they know they are in good hands. We work to develop long-term relationships; whether your needs are simple or complex, we can help.
Please take a moment and read more about our people, our history, our credentials, and our areas of specialization. If you have any questions or would like more detailed information about how we can help you, don't hesitate to contact us. We would be happy to serve you.
Our People
Roger Klosterman, CPA Owner/Partner
Kathleen Klosterman, Firm Administrator/Partner
Janie Berendes, Senior Administrative Assistant
Ryan Brinkman, CPA Senior Accountant
Nancy Stone-Brant, Tax Specialist
Samantha Brace, Administrative Assistant
Ashley Heims, Administrative Assistant
Natasha Yarolem, Staff Accountant
Our History
Founded in 1997, Roger Klosterman & Company, LLP, Certified Public Accountants, has evolved from a sole proprietorship into a partnership. Located in Dubuque, Iowa, we proudly serve clients throughout Iowa, Illinois, Wisconsin, and many other surrounding states. As we have grown, so have our clients. By serving a variety of entities, we have experience with issues that both businesses and individuals encounter at different stages of growth. Entities included in our clientele are: retail stores, restaurants, schools, manufacturers, small to mid-size businesses and most importantly, individuals and their families.
Our Credentials
Our Areas of Specialization
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