Registrar & Transfer Agent

Information for Registered Shareholders

TSX Trust Company is ATCO's transfer agent and registrar, with offices in Calgary, Montreal, Toronto and Vancouver.

If you require assistance with respect to any of the following, please contact TSX Trust Company:

  • dividend payments  
  • change in address or legal name
  • stock transfers
  • replacing lost share certificates
  • estate transfers


Visit the TSX Trust Company website for more information.

If you are a beneficial shareholder (your shares are held by your broker in the name of the brokerage house), questions on all administrative matters should be directed to your broker.


8:30 a.m. to 6:30 p.m. ET
Monday - Friday
Toll free in North America: 1-800-360-4519
Outside of North America: 1-416-682-3860


TSX Trust Company
P.O Box 700
Station B 
Montreal, QC
Canada  H3B 3K3


Toll free in North America: 1-888-249-6189
Outside of North America: 1-514-985-8843

Investor Fact Sheet

Check out the latest on our performance in our quarterly investor fact sheet.​