# Poston, Denney & Killpack, Pllc > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed September 8, 2026. > Poston, Denney & Killpack, PLLC is an Idaho Falls CPA firm offering a full range of tax, accounting, audit, and advisory services to individuals, businesses, and organizations throughout Eastern Idaho. They focus on proactive tax planning, strategic business guidance, and comprehensive financial infrastructure support, serving clients across various industries since 1984. - Business Profile: https://optimly.ai/brand/poston-denney-killpack-pllc - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://cpapdk.com/ - Logo: https://logo.clearbit.com/cpapdk.com - Slug: poston-denney-killpack-pllc - Brand Authority Index tier: Emerging - Category: Tax Advisory and Compliance Services - Last Analyzed: September 8, 2026