Contact Us

The Collège O’Sullivan de Montréal inc. is located in the heart of downtown Montreal, at 1191 de la Montagne Street.


To contact the departments

For general information about the college and its activities



514 866-4622 
+1 800 621-8055 (free of charge)

Open hours

Monday to Friday : 8 A.M. to 5 P.M.

Week-end : Closed


For information regarding a file, the admission process, the conditions for admission, and more.


514 866-4622

+1 800 621-8055 (free of charge)

For local students (Québec and Canada), dial extension 128.

For international students, dial extension 105.


Communications, Advertisement and partnerships

For any partnership, communication, article, point of contact and more.


514 866-4622, ext. 133
+1 800 621-8055, ext. 133 (free of charge)


Internships & Placements

For any internship offer, placement offer or partnership for future collaborations for placement opportunities.


514 866-4622, ext. 103
+1 800 621-8055, ext. 103 (free of charge)


Get to the college

How to get to the College?

Collège O’Sullivan de Montréal inc. is located right in the heart of downtown Montreal and is easily accessible.

  • Metro: Lucien-L’Allier or Peel metro
  • Train: Central Station or Lucien-L’Allier Station.

Contact us

Any other questions?

We look forward to hearing from you.

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