Casey Peterson & Associates, LTD., is certified public accounting firm satisfying the needs of businesses and individuals since 1977. Our success is directly attributable to our commitment of providing quality service in a timely fashion. This is why we've grown to over 50 employees and two locations.

Expansion to Gillette, Wyoming
August 18, 2009 we acquired Morgan & Associates, a CPA firm in Gillette, Wyoming, allowing Casey Peterson & Associates to extend our consulting services and expertise. The Gillette team will comprise of the same standards and values that were built with the original Rapid City firm, and continue the same quality of service from Morgan & Associates. We look forward to creating relationships with the individuals and businesses of the Gillette area.