Ann Deegan, CPA

Tax Manager
(406) 652-2320


“The accounting profession is about people helping people.  I enjoy helping clients and mentoring staff.  Summers-McNea is a local firm that takes an interest in our clients and their business ventures.  We work as a team, with the client’s success in mind.”

Ann develops strong client relationships based on trust, getting to know the individuals and their businesses.  She has over 30 years of accounting and tax experience working with Individuals, Small Businesses, Farms & Ranches, Trusts, and Estates. Ann will help you to understand your financial and tax information by providing explanations in everyday laymen’s language.  With a passion for the profession, Ann is an active member in various professional organizations including the Billings Chapter of CPAs; the American Institute of CPAs;  the Accounting & Financial Women’s Alliance; and the Montana Society of CPAs, where she recently served as president of the state society.  Outside of work, she is involved with her church finance council, her homeowner’s association board of directors, Magic City Optimists, and enjoys singing with the Montana Sapphire Chorus of Sweet Adeline’s International.

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