Seth Maddox

Senior Controller

A seasoned financial detective who navigates rocky terrains in both accounting and off-road adventures. 

Seth Maddox’s journey into accounting began with an unexpected aptitude in high school, leading to a successful career path. Now, as a CPA (inactive) and Senior Controller at All In One Accounting, he brings a decade of financial statement auditing experience to serve nonprofit, distribution, and firearm industries, specializing in internal controls, financial statement audits, and inventory management. 

Seth’s distinctive strength lies in his extensive technical knowledge and problem-solving skills honed through years of public accounting. His calm demeanor and direct approach, coupled with his organizational skills, make him an invaluable asset to both the AIOA team and their clients. Seth’s ability to tackle rare financial scenarios with ease stems from his vast experience in the field. 

When he’s not unraveling complex financial puzzles, Seth indulges his passion for off-roading, continually upgrading his Jeep for new adventures. He also enjoys video games and quality time with his wife and dogs. 

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EAGAN, MN, August 2026 – All In One Accounting, a Twin Cities accounting firm serving growth-minded entrepreneurs and mission-driven nonprofits, has been named to the

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