Michael Demeule



Assurance Services
Strategic Business Planning
Mergers and Acquisitions

Headshot of Michael Demeule, a Shareholder at Tonneson and Co.


Wakefield, MA

Michael has been a valuable member of the Tonneson team since 1993, accumulating over 30 years of experience in the field. As an Audit  Shareholder, Michael specializes in Advisory Services, Assurance Services, and Mergers and Acquisitions. His expertise extends to clients in diverse industries, including manufacturing, distribution, professional services, and construction.

As a CPA with a BSBA from the University of New Hampshire, Michael brings a strong educational background to his role. He actively participates in professional organizations, holding memberships in the American Institute of CPAs (AICPA) and the Massachusetts Society of CPAs (MassCPAs). Additionally, Michael serves as treasurer of the Gamma Mu alumni association.

Michael is known for his active involvement in networking, social, recruiting, and training activities at the firm. His extensive experience and dedication in navigating complex financial matters and achieving success make him a valuable asset to his clients and Tonneson’s team of professionals.

Get to know Michael Demeule

He resides in Merrimac, MA, with his wife Debi, son Alex, and daughter Alyssa. In the past, Michael has been engaged in coaching youth sports teams, including basketball and baseball. He played a crucial role in setting up and incorporating Merrimac Youth Sports, Inc., where he served as Treasurer. Outside of work, Mike enjoys supporting his children in their sporting events, spending time at the beach, engaging in exercise and gardening activities, and traveling to destinations like Martha's Vineyard to unwind.