SIGMA system maintenance

Due to a planned maintenance, the integration of updates to supplier financial information in SAP Ariba will be delayed during the times listed below. We apologize for any inconvenience. 

  • Friday, April 25 from 7:00 pm until 8:00 pm (EDT)

Important Notice: Procurement Posting Guidelines During Federal Elections

During a federal government election, it is the buyer’s responsibility to obtain proper approval prior to posting procurement activities on CanadaBuys. For more information on obtaining approval prior to posting on CanadaBuys, buyers should contact their supervisor. For technical questions regarding publications or urgent requirements regarding postings, contact the Service Desk.

Tender opportunities

Browse the list of tender opportunities and sign up for notifications to stay up to date. To download contracting information posted on CanadaBuys and contract history: 

Content in some tender notices may not be available in both English and French. This is because the Official Languages Act does not apply to all public sector institutions. Learn more about our official languages requirements.

Notice categories:

10 of 56121
List of tender notices. The columns are sortable in ascending and descending order.
Title Category Open/amendment date Closing date Organization
Alberta Electric System Operator - Request for Proposal - Weather Data… Services 2025/04/22
Amended
 2024/11/07 Alberta Electric System Operator
High Density Shelving System 2024/02/29
Amended
 2024/02/29 Niagara Health System
Hospital Bed Storage System Services, Goods 2024/02/13
Amended
 2024/02/15 Niagara Health System
Micro-Ultrasound System Equipment 2023/06/22
Amended
 2023/06/22 Niagara Health System
Testing of 6 customized walls following CAN/ULC S134 Services 2016/11/07 2016/11/28 National Research Council Canada
Data Systems & Services - Technical Service Resources 2023/07/07 2026/08/09 Data Systems & Services
Alberta Electric System Operator - Request for Qualification - Request… Services 2025/01/22
Amended
 2025/01/28 Alberta Electric System Operator
Systems Integration -SBIPS Services 2014/09/03
Amended
 2014/09/12 Veterans Affairs Canada
Alberta Electric System Operator - Request for Proposal - ALBERTA’S… Services 2024/10/28
Amended
 2025/06/15 Alberta Electric System Operator
Alberta Electric System Operator - Request for Proposal - ALBERTA’S… Services 2024/10/28
Amended
 2025/06/15 Alberta Electric System Operator

Displaying 1 - 10 of
10 of 16647
16647
List of award notices. The columns are sortable in ascending and descending order.
Title Category Award/amendment date Closing date Organization
Proservices SA - S.I. SYSTEMS ULC Services 2024/11/07
Amended
 2028/07/04 Department of Public Works and Government…
Amend 003 - Workstream 5 - S.I. SYSTEMS ULC Services 2025/04/08
Amended
 2025/04/08 Department of Transport (TC)
Amend 002 - Workstream 4 - S.I. SYSTEMS ULC Services 2025/03/18
Amended
 2025/03/18 Department of Transport (TC)
Amend 002 - Cyber Security program - S.I. SYSTEMS ULC Services 2025/03/10
Amended
 2025/03/10 Treasury Board (TBS)
Amend 005 - TBIPS-PM Services - S.I. SYSTEMS ULC Services 2025/03/05
Amended
 2025/12/20 Department of Employment and Social…
Amend 007 - TBIPS - Application Services - S.I. SYSTEMS ULC Services 2025/01/27
Amended
 2025/08/23 Department of Citizenship &…
Amend 001 - Network Modernization Project - S.I. SYSTEMS ULC Services 2024/07/19
Amended
 2024/09/06 Department of Employment and Social…
Amend 002 - Network Modernization Project - S.I. SYSTEMS ULC Services 2022/09/07 2025/09/06 Department of Employment and Social…
Amend 13 - APPLICATION SERVICES (6 month) - S.I. SYSTEMS ULC Services 2025/03/15
Amended
 2025/09/30 Department of Health (HC)
Amend 011 - APPLICATION SERVICES (6 month) - S.I. SYSTEMS ULC Services 2025/03/06
Amended
 2025/09/30 Department of Health (HC)

50 of 63915
List of contract history information. The columns are sortable in ascending and descending order.
Company name Contract number Organization Award/amendment date Contract / Amendment value
S.i. Systems ULC CW2375446 Department of Public Works and Government… 2024/09/24 CAD 0.00
S.i. Systems ULC E60ZT-180027/133/ZT Department of Public Works and Government… 2024/11/07
Amended
 CAD 0.00
S.i. Systems ULC E60ZT-180027/133/ZT Department of Public Works and Government… 2024/02/08
Amended
 CAD 0.00
S.i. Systems ULC E60ZT-180027/133/ZT Department of Public Works and Government… 2023/10/26
Amended
 CAD 0.00
S.i. Systems ULC E60ZT-180027/133/ZT Department of Public Works and Government… 2023/06/20
Amended
 CAD 0.00
S.i. Systems ULC E60ZT-180027/133/ZT Department of Public Works and Government… 2023/06/15
Amended
 CAD 0.00
S.i. Systems ULC T8086-172450/015/ZM Department of Transport (TC) 2025/04/08
Amended
 CAD 1,881,660.97
S.i. Systems ULC T8086-172450/010/ZM Department of Transport (TC) 2025/03/18
Amended
 CAD 7,099,156.93
S.i. Systems ULC T8086-172450/010/ZM Department of Transport (TC) 2025/01/10
Amended
 CAD 7,099,156.93
S.i. Systems ULC T8086-172450/015/ZM Department of Transport (TC) 2025/01/10
Amended
 CAD 1,881,660.97
S.i. Systems ULC T8086-172450/015/ZM Department of Transport (TC) 2024/04/18
Amended
 CAD 1,881,660.97
S.i. Systems ULC T8086-172450/010/ZM Department of Transport (TC) 2024/04/16
Amended
 CAD 7,099,156.93
S.i. Systems ULC T8086-172450/015/ZM Department of Transport (TC) 2024/01/17
Amended
 CAD 1,881,660.97
S.i. Systems ULC T8086-172450/010/ZM Department of Transport (TC) 2023/12/08
Amended
 CAD 7,099,156.93
S.i. Systems ULC T8086-172450/015/ZM Department of Transport (TC) 2023/10/12
Amended
 CAD 7,287,952.96
S.i. Systems ULC T8086-172450/010/ZM Department of Transport (TC) 2023/08/15
Amended
 CAD 7,099,156.93
S.i. Systems ULC 24062-190077/005/EL Treasury Board (TBS) 2025/03/10
Amended
 CAD 1,016,603.25
S.i. Systems ULC G9292-203481/007/ZM Department of Employment and Social… 2025/03/05
Amended
 CAD 7,261,504.59
S.i. Systems ULC B8986-170042/001/ZM Department of Citizenship &… 2025/01/27
Amended
 CAD 8,747,838.21
S.i. Systems ULC G9292-203481/007/ZM Department of Employment and Social… 2024/09/27
Amended
 CAD 1,452,300.92
S.i. Systems ULC G9292-217754/001/ZM Department of Employment and Social… 2024/07/19
Amended
 CAD 4,553,010.00
S.i. Systems ULC G9292-203481/007/ZM Department of Employment and Social… 2024/05/10
Amended
 CAD 1,452,300.92
S.i. Systems ULC G9292-203481/007/ZM Department of Employment and Social… 2024/05/10
Amended
 CAD 1,452,300.92
S.i. Systems ULC 24062-190077/005/EL Treasury Board (TBS) 2024/03/01
Amended
 CAD 1,016,603.25
S.i. Systems ULC G9292-203481/007/ZM Department of Employment and Social… 2023/12/07
Amended
 CAD 1,452,300.92
S.i. Systems ULC G9292-217754/001/ZM Department of Employment and Social… 2023/10/18
Amended
 CAD 4,553,010.00
S.i. Systems ULC G9292-217754/001/ZM Department of Employment and Social… 2023/09/01
Amended
 CAD 4,553,010.00
S.i. Systems ULC 24062-190077/005/EL Treasury Board (TBS) 2023/03/07
Amended
 CAD 3,049,810.00
S.i. Systems ULC 24062-190077/005/EL Treasury Board (TBS) 2023/02/24
Amended
 CAD 3,049,810.00
S.i. Systems ULC 24062-190077/005/EL Treasury Board (TBS) 2023/02/24
Amended
 CAD 3,049,810.00
S.i. Systems ULC G9292-217754/001/ZM Department of Employment and Social… 2022/09/07 CAD 4,553,010.00
S.i. Systems ULC B8986-170042/001/ZM Department of Citizenship &… 2017/11/24 CAD 8,747,838.21
S.i. Systems ULC HT218-143802/008/ZM Department of Health (HC) 2025/03/15
Amended
 CAD 17,069,856.88
S.i. Systems ULC HT218-143802/016/ZM Department of Health (HC) 2025/03/06
Amended
 CAD 5,965,214.00
S.i. Systems ULC G9292-203481/013/ZM Department of Employment and Social… 2025/03/05
Amended
 CAD 16,366,247.16
S.i. Systems ULC G9292-203481/013/ZM Department of Employment and Social… 2024/11/02
Amended
 CAD 3,273,249.43
S.i. Systems ULC G9292-203481/013/ZM Department of Employment and Social… 2024/10/23
Amended
 CAD 3,273,249.43
S.i. Systems ULC G9292-203481/013/ZM Department of Employment and Social… 2024/10/23
Amended
 CAD 3,273,249.43
S.i. Systems ULC G9292-176717/005/ZM Department of Employment and Social… 2024/10/16
Amended
 CAD 13,538,384.00
S.i. Systems ULC HT218-143802/016/ZM Department of Health (HC) 2024/08/29
Amended
 CAD 5,965,214.00
S.i. Systems ULC EW479-212627/008/CAL Department of Public Works and Government… 2024/06/11
Amended
 CAD 0.00
S.i. Systems ULC EW479-212558/006/EDM Department of Public Works and Government… 2024/06/11
Amended
 CAD 0.00
S.i. Systems ULC EW479-212627/007/CAL Department of Public Works and Government… 2024/06/11
Amended
 CAD 0.00
S.i. Systems ULC EW479-212558/006/EDM Department of Public Works and Government… 2024/05/31
Amended
 CAD 0.00
S.i. Systems ULC EW479-212558/006/EDM Department of Public Works and Government… 2024/05/24
Amended
 CAD 0.00
S.i. Systems ULC G9292-176717/005/ZM Department of Employment and Social… 2023/12/13
Amended
 CAD 13,538,384.00
S.i. Systems ULC G9292-203481/013/ZM Department of Employment and Social… 2023/11/27
Amended
 CAD 3,273,249.43
S.i. Systems ULC B8926-170492/002/ZM Department of Citizenship &… 2023/11/16
Amended
 CAD 5,845,687.00
S.i. Systems ULC G9292-203481/013/ZM Department of Employment and Social… 2023/11/09
Amended
 CAD 16,366,247.16
S.i. Systems ULC G9292-176717/005/ZM Department of Employment and Social… 2023/11/07
Amended
 CAD 13,538,384.00

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