ONT-TAXS online is Ontario's secure, convenient and free online tax service for businesses and their representatives. It saves time and money, reduces paper and is available 24 hours a day, seven days a week.
What's new in ONT-TAXS online
- International Fuel Tax Agreement accounts can now be accessed in ONT-TAXS online, in addition to Retail Sales Tax and Employer Health Tax accounts
- Four years of tax account history can be viewed for Debt Retirement Charge and Gross Revenue Charge accounts
- Businesses can provide access to employees or representatives to use ONT-TAXS online on their behalf
Representatives, such as accountants and bookkeepers, can now provide their own employees with the same authorization they have been provided by their tax clients to access client accounts in ONT-TAXS online.
With ONT-TAXS online, businesses can enjoy the ease and convenience of online access to their Ontario business tax accounts (i.e. Retail Sales Tax and Employer Health Tax and International Fuel Tax Agreement accounts) to:
- File tax returns
- Make tax payments
- View up to four years of account history
- Update account information
- Request a refund for overpayment of tax
Your Debt Retirement Charge and Gross Revenue Charge accounts can also be access online to view and update account information.
Businesses have the flexibility to use ONT-TAXS online themselves or provide access to an employee or representative to use ONT-TAXS online on their behalf.
To make it even easier, representatives (e.g., accountant or bookkeeper) can also give their employees the same authorization they have been provided by their tax clients to access client accounts in ONT-TAXS online.
View an ONT-TAXS online demo to learn more.
Safe and secure
ONT-TAXS online uses the Government of Ontario's secure online registration service, ONe-key, to protect tax client information. ONe-key verifies your identity, authorizes your access and allows you to securely do business with the government online.
The first time you use ONT-TAXS online you will need to create a ONe-key ID and password and sign up for ONT-TAXS online through the ONe-key service. This is a one-time process. In future, the only security information you will need to access ONT-TAXS online is your ONe-key ID and password.
Getting started is fast and easy
Are you a business?
- Complete our online form or call us at 1 866 ONT-TAXS (1 866 668-8297). You will need your Business Number to use the online form. If you do not have a Business Number, contact the ministry.
- When you receive your two pieces of enrolment information in the mail, your business is ready to set up your ONe-key account and start using ONT-TAXS online.
Are you a representative?
- Call us at 1 866 ONT-TAXS (1 866 668-8297) to sign up as a representative for ONT-TAXS online.
- When you receive your two pieces of enrolment information in the mail, you are ready to set up your ONe-key account and access ONT-TAXS online.
- Then, ask your clients to go to ONT-TAXS online and add you as their representative.
