Office Information

300 McGill Street Hawkesbury, ON, K6A 1P8

A fresh approach to your accounting, consulting and tax needs

MNP entered the Windsor marketplace on March 1, 2021, through a merger with an existing accounting firm consisting of three partners and over 40 dedicated staff and professionals. Now part of the MNP family, our team is excited to share in the culture and values the Canadian-based firm was founded on more than 60 years ago. At MNP, every relationship is unique and every relationship matters. That’s why MNP takes the time to understand you, your business, and the communities we are all a part of. 

With expertise in Audit, Assurance, Consulting, Advisory and Tax services, businesses can count on us to deliver local insights that are backed by national reach to help them stay competitive and profitable. We are committed to addressing challenges and creating opportunities for you by providing services and programs that reflect the needs of our local community.

Our broad and highly specialized team offers a wide range of services and solutions to our diverse client group — which includes municipalities, private companies, agriculture, NPOs, and more. We are committed to supporting the entire business journey from start-up to succession and everything in between.

Our partner-led engagements mean you get an experienced team of professionals committed to delivering  a local and personalize approach to all of your accounting, consulting and tax needs, whenever and wherever you need us.

MNP. Wherever business takes you.

Managing Partner

  • Garry Hoffman, CPA, CA


  • Gérald Gauthier, CPA, CA
  • Claude Laniel, CPA, CA

Services at our Hawkesbury location

Contact an office member

Mike Dimitriou

Mike Dimitriou CPA, CA

Regional Managing Partner, Eastern Ontario

Michael Dimitriou, CPA, CA, is Regional Managing Partner for MNP’s Eastern Ontario Region. Drawing on three decades of experience in assurance and advisory services, Michael works with his clients to evolve, increase profitability and establish and maintain compliance, while building shareholder value.

Michael’s areas of expertise include acquisitions and divestitures, due diligence, share offerings, reverse take-over transactions and tax planning for private businesses and their owners. He brings a broad range of client experience from private companies and publicly traded companies listed on North American exchanges and from a diversity of industries, including technology, financial services, retail, cannabis and mineral exploration to his role.

As an industry subject matter expert, Michael is a sought-after college and university guest lecturer. Before joining MNP in 2014, he was a partner for 14 years at another national accounting firm. Prior to that, he was chief financial officer and chief operating officer for a multibranch cooperative financial institution.

Michael graduated from Carleton University with a Bachelor of Arts (BA) in economics and law in 1991. He is a Chartered Professional Accountant (CPA), qualifying as a Chartered Accountant (CA) in 1996.

Michael is a member of MNP’s Board of Directors and Quality Assurance executive.

Michael has also held a number of board positions in local not-for-profit organizations and is currently on the finance committee at the Ottawa Hunt & Golf Club.


  • Performance

    April 20, 2021

    Valuable tax planning tips during a pandemic

  • Performance
    Building with a Canadian flag in the foreground

    April 19, 2021

    UPDATED: New Information on the B.C. PST Rebate for Select Machinery and Equipment

    Incorporated businesses can now apply online for the B.C. PST rebate for select machinery and equipment, which now includes Class 38.

  • Performance

    April 19, 2021

    2021 Federal Budget Highlights

    Deputy Prime Minister and Minister of Finance the Hon. Chrystia Freeland tabled the Federal Government’s budget on April 19, 2021.