Poston Denney & Killpack
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24 firms listed · 11 in Idaho Falls · 1 open weekends · 23 rated 4.5+
Data verified October 19, 2026
The 24 firms listed for Idaho Falls, ID set up, repair and teach accounting software for businesses. What each says about certifications and supported platforms comes from its own website; ratings and quotes come from public reviews.

Of the 24 firms we list here, 11 are in Idaho Falls itself and 13 come from towns including Ammon (3, 4 mi), Blackfoot (3, 24 mi) and Rexburg (3, 27 mi). 23 of the firms on this page have a rating, from 4.5 to 5.0 across 633 reviews; 5 have 50 or more reviews. When clients rate these firms on specific qualities, they most often praise professionalism (93%), responsiveness (87%) and quality (77%). 1 is open on Saturdays. The services the firms on this page list most often on their websites are tax services (6), business valuation (3), new business formation (3), non-profit organizations (3) and payroll (3). 2 have a BBB rating of A or A+. 14 have ten or more years of experience, the longest 49 years. 1 offers remote or virtual consultations; 2 offer payment plans and 4 offer a free initial consultation. 1 has Spanish-speaking staff. We have a website on file for 20 of the firms on this page; 17 publish a contact page; 16 list a public email and 2 take bookings online. 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.
4 of the 24 firms state that a first consultation costs nothing. For software work that normally means a short call about what you run and what is broken, not access to your file. A genuine diagnostic takes hours and is usually billed.