Small Business
If you are starting a small business - or are already in business - this section of the site will help you find the information you need to understand how Ontario business taxes apply to you.
Choose from the links below for details about your role with the Ministry of Revenue from registering right through to closing your business.
- Business Start-up and Registration
- Reporting and Remitting
- Address Changes
- Amalgamations and Ownership Changes
- Audit Information
- Objections and Appeals
- Closing your Business
Events
Forms and Publications
- Forms and Publications by Program
- Guide for Canadian Small Business
- Ontario Business Program Guide
- Small Business Guide
- Small Business Pointers relating to Retail Sales Tax
Programs of Interest
Points of Reference
- Small Business Tax Administration Advisory Committee
The Small Business Tax Administration Advisory Committee members represent small business owners in Ontario who work together with ministry representatives to improve the tax administration processes in Ontario. - ServiceOntario Gateway for Business
- Ministry of Small Business and Entrepreneurship
- Canada-Ontario Business Service Centre
- Small Business Research and Policy
Useful tools
- Interactive Business Planner
Helps you prepare a 3 year business plan for a new or existing business, using a question and answer format.


