Koller + Plus, LLC

We are a full-service Accounting firm licensed in IA. We offer a broad range of services for business owners, executives, and independent professionals. We are affordable, experienced, and friendly.

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Koller + Plus, LLC
Koller + Plus, LLC

Robert L. Koller, CPA, became certified on January 27, 1978. He has been practicing in Washington, IA, for the past 36 years. Ever since its inception, our firm has tried to exceed our clients expectations with solutions that are custom-tailored to their specific needs. Throughtout our transformation, we remain committed to offering our clients a combination of state-of-the-art technology, a thorough understanding of the latest financial developments and practical financial know-how.


Address: 206 South Iowa Avenue, Washington, IA 52353, USA

Phone: +1 319 653 6561
FAX: +1 319 653 6745