The Workplace Safety and Insurance Board
Telephone: 416-344-1000
Toll free: 1-800-387-0750
TTY: 1-800-387-0050
Fax: 416-344-4684 or 1-888-313-7373
Businesses: We are experiencing longer than normal wait times for technical assistance. If you are having trouble logging into our online services, see our FAQs for help troubleshooting.
Sending us a claim document? Upload it online.
Head Office
200 Front Street West
Toronto, Ontario M5V 3J1
For fatal or catastrophic workplace accidents, call us at 1-800-387-0750, Monday to Friday 7:30 a.m. to 5 p.m.
Businesses
Have a question about your account?
Email us at employeraccounts@wsib.on.ca.
By using email to communicate with us, you acknowledge that transmitting information by email has a number of risks and it is not possible to completely secure information transmitted over public networks. If you want to receive a reply to your message by email, you need to have a contact that is authorized to send and receive your account information. Read more about communicating by email with the WSIB.
Need to update your address?
Update your business’ physical and mailing addresses online
But, keep in mind that these businesses should continue to contact us to update their address:
- Schedule 2 organizations
- Businesses with international mailing addresses
- Businesses with multiple branch locations
Having trouble with our online services?
If you have an online services account and have a question about using these services you can contact us by:
Email: eServicesSupport@wsib.on.ca
Phone: 416-344-4122 or 1-888-243-1569
For questions related to a claim, please call us.
Appeals
Contact us for information on how we deal with disputes:
- Telephone: 416-344-1000
- Toll-free: 1-800-387-0773
- Fax: 416-344-3600
WSIB offices
WSIB Collections Branch
Street address:
P.O. Box 2099 Stn. LCD1 120 King Street West
Hamilton, ON L8N 4C5
Toll Free: 1-800-268-0929
Fax Number: 905-521-4203
Mailing address:
200 Front Street WestToronto, Ontario M5V 3J1
Media enquiries
Email: media@wsib.on.ca
Phone: 416-344-4202
Reporting fraud and abuse of the system
If you suspect anyone involved in a WSIB case (person, business, representatives, supplier or health care practitioner) is not dealing honestly with us, you can use our toll-free action line at 1-888-SI-LEADS (1-888-745-3237), Monday to Friday, 7:30 a.m. to 5 p.m. or email us at sileads@wsib.on.ca or contact us confidentially through our website
Website feedback
Have a comment on our website? Email: wsibcomm@wsib.on.ca