Our Firm


Our Focus

To deliver a personalized approach with practical advice to give you peace of mind.

Our Location

Our firm is located along the Barrie waterfront at 11 Victoria Street. We provide service to clients located in Barrie & the surrounding Central Ontario region as well as those down the Hwy 400 corridor to Toronto.

Our People

Collectively, our staff has over a century's worth of experience in public practice. As a firm, we bring that breadth of knowledge and wisdom to our clients each and every day.

Our Clients

We work with entrepreneurial individuals and corporations that represent a diverse cross-section of industries.

Visit our Portfolio page to get a flavour of the industries that our client base works in.


Client Testimonials
  • " My husband and I were referred to Mike’s firm three years ago. They have been invaluable to us. We are a small business needed guidance on both a business and personal level. Phyllis has assisted us w... "

    Glen & Pam Shakell - Shakell’s Wrecking Yard

  • " I would like to take this opportunity to recognize the great work that the team at Michael Kostrich Chartered Accountant Professional Corporation has been doing for us at Flooring By Design. We are a... "

    Trevor Kadlec - President - Flooring by Design

  • " We have been clients of Mike’s firm for many years. He and his team have worked with us on annual corporate & personal tax filings, retirement & estate planning, and issues surrounding real estate di... "

    Eileen & Allan Wilson

  • " My husband & I have been clients of Mike’s firm for many years. We had started building a real estate investment portfolio & were referred to him by a professional at our bank. He has professionally... "

    Christine & Scott Buchanan