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.

Click on any of the links below for details about your role with the Ministry of Finance from registering right through to closing your business.

Under each link you'll find information about Retail Sales Tax, Corporations Tax and Employer Health Tax.

The Tax Revenue Division has also developed publications that provide additional information about the taxes and benefits they administer.  You'll find links to specific tax-related publications in the categories above.

Review our complete inventory of forms and publications by program.

The FAQs section contains a listing of frequently asked questions and answers about the tax and benefit programs administered by the Tax Revenue Division.