Jim Donnellon, CPA

James A. Donnellon, CPA


“At Barnes Dennig we work hard to immerse ourselves in each client’s business and operations—helping them look beyond the numbers to determine solid financial strategies that will help them succeed in meeting their goals.”

Jim has more than three decades of his career invested in the accounting arena – with 20+ years spent serving as a director at Barnes Dennig. His work outside the firm includes industry experience with a local company and four years with a major international accounting firm. This blend of private industry and public accounting experience has given Jim a solid appreciation of what it takes to build a profitable company.

Jim has served as a member of the firm’s Executive Committee and is a current member of the American Institute of Certified Public Accountants (AICPA), the Ohio Society of Certified Public Accountants (OSCPA) and the Advisory Board of the University of Cincinnati College of Applied Science, Construction Science Department.

As an active member of Allinial Global, Jim attends their Annual Summit and has served on Allinial’s Construction and Consulting Committees. In addition to his work with Allinial, Jim also served on various trade group board of directors including the Allied Construction Industries (ACI) and the local chapter of the Construction Financial Management Association (CFMA). Jim currently leads the firm’s distribution, logistics, and supply chain practice.

Jim is past president of the Cincinnati Athletic Club and has served on Archbishop Moeller High School’s Education Commission and their Athletic Advisory Board. He was also past president of their Alumni Association. Jim currently serves on the Boards of Resource, Kenzie’s Closet and American Classical Music Hall of Fame.

A graduate of Wittenberg University, Jim earned an MBA in finance from Xavier University.


“I have worked with Jim Donnellon and Nick Pennekamp for several years now. They are certainly one of my favorite vendors to deal with because of their professionalism, knowledge, kindness, and accessibility. They are the best!!”

– Mike S., Office Manager

“Jim Donnellon is a true professional; we love the work he does for us. He anticipates savings for us and seems to really be on the ball for our business.”

– Alvin R., President & CEO

“Jim has been my Accountant and friend for 35 years plus. He always buys me a cold one when I am in town.”

– Robert H., Barnes Dennig Client