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 current staff has over 90 years 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
  • " We would like to extend our thanks for years of accounting and consulting services for our company. We have greatly benefited from your teams experience and knowledge not only from a tax & accounting... "

    Keith Tribe / Jody Cybulski - VenMark Digital Media

  • " I have used Mikeís firm for several years and have always found Mike and his staff (Helen and Lynda) to be knowledgeable with regard to my tax affairs. Itís important for me to feel confident when de... "

    Ed Tracy

  • " 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

  • " I was referred to Michael by another business owner while entrenched in a messy audit of corporate tax returns from five years previous. Michael quickly sorted out the paperwork and steered me though... "

    Sandy Powell - Nascent Naturals Inc.