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ONT-TAXS online

ONT-TAXS online is Ontario's secure, simple and free online bilingual (English/French) tax service for businesses. It is the fastest and easiest way to your business tax accounts 24 hours a day, 7 days a week.

What can I do in ONT-TAXS online?

Using ONT-TAXS online, you can:

  • File your tax returns
  • Make payments on your tax account(s)
  • View up to four years of account history
  • Update your account information

How secure is ONT-TAXS online?

ONT-TAXS online has strong security and safety measures in place to protect your information and provide you with a secure online experience. To access ONT-TAXS online you need an Ontario government ONe-key user ID and password. ONe-key verifies your identity and allows you to securely do business with the Ontario government online.

When can I use ONT-TAXS online?

Our new online service will be phased in starting this summer. By fall of 2008, ONT-TAXS online will be available to most of our retail sales tax clients.

Coming later this year...

  • Employer Health Tax will be added to ONT-TAXS online.
  • New online features will allow you to assign an employee or external representative to do business with the ministry on your behalf.

How do I sign-up for ONT-TAXS online?

E-mail us to learn how you can sign-up to use ONT-TAXS online. Please remember to include your business name and contact information.

Login now if you have a Web Access Code and PIN or are already enrolled for ONT-TAXS online.

Do you have questions about ONT-TAXS online? Find the answer here.