Poston Denney & Killpack
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15 firms listed · 7 in Idaho Falls · all 15 rated 4.5+
Data verified October 19, 2026
The 15 firms listed for Idaho Falls, ID are accounting practices that serve businesses and organizations. What each states about its CPA license and assurance work comes from its own website; ratings and quotes come from public reviews.

7 of the 15 firms we list are based in Idaho Falls; the other 8 serve Idaho Falls from towns including Rexburg (27 mi), Ammon (3 mi) and Rigby (14 mi). The firms on this page are rated from 4.5 to 5.0 across 505 reviews; 5 have 50 or more reviews. When clients rate these firms on specific qualities, they most often praise professionalism (92%), responsiveness (88%) and quality (69%). The services the firms on this page list most often on their websites are tax services (5), audits - reviews - compilations (2), business consulting (2), business valuation (2) and estate planning (2). 1 has a BBB rating of A or A+. 12 have ten or more years of experience, the longest 35 years. 1 offers payment plans and 1 offers a free initial consultation. We have a website on file for 14 of the firms on this page; 12 publish a contact page and 8 list a public email. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Website details are held for 14 of the 15 firms on this page. Most name the engagement types they perform and the industries they serve, which is the quickest way to see whether audit work is core business or an occasional job for them.