Welcome to the business directory. This directory is available for the convenience of helping you find different products and services in Port Colborne. It is limited to businesses owned and operated within the city and is not a comprehensive list of all businesses that serve the area. If you're a business owner who wants to register your business in the directory, please visit Business Directory Registration.

The business directory is intended to serve as a resource for residents, visitors and other businesses. The City of Port Colborne does not guarantee the accuracy of any listing or endorse the quality, safety, suitability or reliability of the businesses, products or services listed. Any of the content contained on the external websites or pages provided herein is the responsibility of the business and not the City of Port Colborne.

Searches by keyword may not return a complete set of results. Use the Advanced Search function to select a business category.

Restaurants  Shopping  Medical


Category: Accounting & Tax Service

Grant Thornton LLP

222 Catharine Street, Suite B, Port Colborne, ON, L3K 5W1 Visit Website

Products and Services

A leading Canadian accounting and business advisory firm providing audit, tax and advisory services.



222 Catharine Street, Suite B,

Port Colborne, ON L3K 5W1