1. Home
  2. Contact Us

Contact Us

Have a question? Reach out to our team.
Contact us online

Call or email us

For help and product support, training and customer service, please contact us:
1 800 387-5164 or 416 609-3800  |  customersupport.legaltaxcanada@tr.com

Technical help desk
1 800 387-5164 | 416-609-3800
techsupport.legaltaxcanada@tr.com

Accessibility support
Contact the Premier Support team
1 866 919-9998
Premier4.legaltaxcanada@tr.com

Research support
1 800 387-5164 | 416-609-3800
researchsupport.legaltaxcanada@tr.com

Customer training
1 800 387-5164 | 416-609-3800
customerlearning.legaltaxcanada@tr.com

Technology Centre
647 480-7000

DT Professional Suite and Onvio
Support:
1 800 663-7829
dt.support@tr.com  

DT Professional Suite and Onvio
Sales:
1 866 653-8629
dt-sales@thomsonreuters.com

DT Professional Suite and Onvio 
Customer Service:
dt.client.services@tr.com

Éditions Yvon Blais
1 800 363-3047 (Quebec)
editionsyvonblais.commandes@tr.com

Offices

Our Canadian locations:

Toronto
19 Duncan Street
Toronto, Ontario  M5H 3H1  91Ô­´´
1 416.687.7500

 Thomson Reuters DT Tax and Accounting
1010 Sainte Catherine West St. Suite 200
Montreal, Quebec,
H3B 5L1

Global contacts

Contact our other Thomson Reuters businesses in 91Ô­´´

Reuters News Agency

Global tax and accounting products (Checkpoint, ONESOURCE and CS Professional)

For all other inquiries, complete the form below:

Please respond by:

By submitting this form, you acknowledge the Thomson Reuters group of companies will process your personal information as described in our , which explains how we collect, use, store, and disclose your personal information, the consequences if you do not provide this information, and the way in which you can access and correct your personal information or submit a complaint.