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Merrill Barter, CPA


Merrill is a director in BNN’s tax practice, and the State and Local Tax (SALT) practice leader. He has more than 26 years of experience working in the tax field, including governmental, public company, and public accounting experience. Merrill works with a broad spectrum of clients, including large corporations and mid-tier/privately owned business entities and their owners. He leverages his experience to provide a high-level of service and creative solutions to address his clients’ tax situations.

Merrill specializes in assisting clients with state tax issues with a focus on multi-state compliance and planning. He has extensive experience in sales and use tax matters, including helping clients determine the proper sales tax treatment of their products and services. Merrill routinely works with clients and state tax authorities to resolve state tax matters and obtain the best possible outcomes for BNN’s clients.

He earned a bachelor’s degree in business administration, with highest distinction, from Husson University, and a master’s in taxation from Thomas College.

Business Activities

  • Member, American Institute of Certified Public Accountants
  • Member, Maine Society of Certified Public Accountants
  • Member & Incoming Chair, Baker Tilly International North American State and Local Tax Committee

Volunteer / Service Activities

  • Board Member, METRO Greater Portland Transit District
  • Board Member & Treasurer, LearningWorks

Hobbies / Other

Merrill is married with three daughters.  He enjoys spending time with family, reading and traveling.