Poston Denney & Killpack
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24 companies listed · 15 in Idaho Falls · 4 open weekends · 21 rated 4.5+
Data verified October 19, 2026
The 24 companies listed for Idaho Falls, ID prepare and file tax returns for individuals and small businesses. What each says about its services and credentials comes from its own website; ratings and quotes come from public reviews.

Of the 24 companies we list here, 15 are in Idaho Falls itself and 9 come from towns including Ammon (4, 4 mi), Rexburg (2, 27 mi) and Rigby (1, 14 mi). The companies on this page are rated from 4.2 to 5.0 across 619 reviews; 5 have 50 or more reviews and 21 are rated 4.5 or higher. When clients rate these companies on specific qualities, they most often praise professionalism (93%), responsiveness (74%) and quality (70%). The topics that come up most in reviews of the companies on this page are "knowledge" and "price". 3 are open on Saturdays and 1 on Sundays. The services the companies 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+. 12 have ten or more years of experience, the longest 67 years. 2 offer payment plans and 3 offer a free initial consultation. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book a consultation.
15 of the 24 companies are located in Idaho Falls. The others come from other towns within 30 mi. Since most returns are handled through a portal, what matters is whether the preparer files in your state. Distances are straight-line.