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
  • " 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

  • " Mike and his team are true professionals who provide a personalized approach to fit all of your accounting, tax and business needs. They specialize in helping small to mid-size businesses and adapt to... "

    Rich Grof - Rich Grof Performance Sales Coaching and Leadership Development

  • " We have been with Mike’s firm for over 20 years. He and his staff are friendly, their advice has always been timely, their service exceptional! ... "

    The Penner Family

  • " Our firm has been using the Michael Kostrich team for over 10 years now for all of our accounting needs. We are very pleased with the responsiveness and professionalism of Lynda, Phyllis and Mike when... "

    Kimberley Beggs - Integra Design Studio