Contact Us

The CSI customer support team works closely with both clients and CSI's business leaders to address client concerns.


Our phone lines are open Monday to Friday, 9 am-8 pm ET

General Inquiries:

Students (Canada and USA):
Fax: 1-866-866-2660

Book/Cancel/Reschedule an exam:

Students (Canada and USA):
+1 416-364-9130
Fax: 416-359-0486



200 Wellington Street West,
15th Floor, Toronto,
ON M5V 3C7


625 René-Lévesque Blvd West,
Suite 400, Montréal,
QC H3B 1R2

CSI is closed on the following statutory holidays in 2022:

New Year's Day Monday, January 3
Family Day Monday, February 21
Good Friday Friday, April 15
Victoria Day Monday, May 23
Canada Day Friday, July 1
Civic Holiday Monday, August 1
Labor Day Monday, September 5
Thanksgiving Monday, October 10
Early Closing at 3pm Friday, December 23
Christmas Day Monday, December 26
Boxing Day Tuesday, December 27
Early Closing at 3pm Friday, December 30