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Please refer to the following for more information on:

MERX Public Tenders:

  • Frequently Asked Questions: This page contains many answers to questions received by our customer support team.
  • Online Tutorial: This is a visual step by step tool that will show you how to use MERX Public Tenders and take advantage of all its features.
  • Supplier Guide (download): This is a simple and helpful tool that will guide you on using MERX public sector from the login process to confirming orders.
  • Glossary: This page lists terms and descriptions to better understand procurement terminology.

MERX for Agencies, Crown & Private corporations:

If you have not been able to find your answer, then please use one of the following tools to contact our customer support team:

1) Complete the following form
*Denotes required information  

*Service Type:

2) Email: for the Public Tenders, U.S. Tenders, or Private Construction services, or MERX in general.

3) Email: for Agencies, Crown & Private corporations service.

Business Hours:

Monday to Friday (excluding Public Holidays)
7:00 a.m. to 8:00 p.m. EASTERN TIME

Supplier ordering documents: Buyer posting a notice:
Phone: 1-800-964-6379 or 613-727-4900 Phone: 1-888-738-3005 or 613-727-4987
Fax: 1-888-235-5800 Fax: 1-613-727-4959
Email: Email:
Mailing address: When applicable, payment can be mailed to:
50 Frank Nighbor Place, #200 P.O. Box 11684
Ottawa, ON STN Centre-ville
K2V 1B9 Montreal, QC
  H3C 6H4
The MERX Goods and Services Tax (GST) Registration Number 144746682.

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