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 131992
List of tender notices. The columns are sortable in ascending and descending order.
Title Category Open/amendment date Closing date Organization
Canada/United States Boarder Tree Clearing Services 2023/06/15
Amended
 2023/06/15 Natural Resources Canada
Tree planting Services 2014/05/21 2014/06/03 National Capital Commission
Tree Removal Services Services 2023/05/26
Amended
 2023/05/16 National Capital Commission
Tree and Shrub Maintenance Services Services 2023/08/09
Amended
 2023/08/09 Agriculture Agri-Food Canada
Tree Maintenance Services (Granville Island) Services 2019/04/03
Amended
 2019/04/09 Canada Mortgage and Housing Corporation
Expert Witness Head Hunter Services Services 2020/08/05 2020/09/18 Canada Revenue Agency
Tree Services Services 2023/06/21
Amended
 2023/06/28 Civida
Tree Removal Services RFSO Services 2023/06/14
Amended
 2023/06/14 National Capital Commission
Tree and Shrub Maintenance Service Services 2015/05/22 2015/07/03 Agriculture and Agri-Food Canada
Tree and Shrub Care Services 2015/04/22 2015/06/01 Department of National Defence

Displaying 1 - 10 of
10 of 127535
127535
List of award notices. The columns are sortable in ascending and descending order.
Title Category Award/amendment date Closing date Organization
TREE PRUNING Services 2016/02/10 N/A National Capital Commission
Tree Trimming and Removals Services 2017/12/20 N/A Department of National Defence
W684Q-220183 - RFSO Tree Services Services 2025/03/31
Amended
 2025/03/31 Department of National Defence (DND)
LANDSCAPING & TREE TRIMMING SERVICES Services 2013/06/28 N/A Department of National Defence
Decommission of five apple orchards - Canadian Clonal Genebank (CCGB)… Services 2025/03/12 2026/03/31 Agriculture and Agri-Food Canada
Tree and Shrub Maintenance Services Services 2024/07/31
Amended
 2024/07/31 Agriculture Agri-Food Canada
Tree Cutting Services Services 2015/01/20 N/A Agriculture and Agri-Food Canada
Tree planting Services 2014/06/20 N/A National Capital Commission
Canada/United States Boarder Tree Clearing Services 2023/10/13
Amended
 2023/10/13 Natural Resources Canada
Danger Tree Assistance - Jasper Complex Services 2024/10/11
Amended
 2024/09/30 Parks Canada

50 of 544707
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
The Davey Tree Expert Co Of Canada Limited W6837-156033/001/VIC Department of National Defence 2019/01/10 CAD 300,004.00
The Davey Tree Expert Co Of Canada Limited W6837-156033/001/VIC Department of National Defence 2016/01/13 CAD 639,636.00
The Davey Tree Expert Co Of Canada Limited W0103-125055/001/VIC Department of National Defence 2015/06/19 CAD 105,000.00
The Davey Tree Expert Co Of Canada Limited W0103-125055/001/VIC Department of National Defence 2014/05/08 CAD 216,000.00
The Davey Tree Expert Co Of Canada Limited W0103-125055/001/VIC Department of National Defence 2013/06/27 CAD 111,000.00
The Davey Tree Expert Co Of Canada Limited W6837-180703/001/VIC Department of National Defence 2023/01/24 CAD 800,000.00
The Davey Tree Expert Co Of Canada Limited W6837-180703/001/VIC Department of National Defence 2022/11/04 CAD 100,000.00
The Davey Tree Expert Co Of Canada Limited W6837-180703/001/VIC Department of National Defence 2022/03/02 CAD 70,000.00
The Davey Tree Expert Co Of Canada Limited W6837-180703/001/VIC Department of National Defence 2021/06/18 CAD 800,000.00
The Davey Tree Expert Co Of Canada Limited W6837-180703/001/VIC Department of National Defence 2020/10/26 CAD 252,000.00
The Davey Tree Expert Co Of Canada Limited W6837-180703/001/VIC Department of National Defence 2019/09/25 CAD 211,853.00
The Davey Tree Expert Co Of Canada Limited W6837-180703/001/VIC Department of National Defence 2017/12/20 CAD 166,147.00
The Davey Tree Expert Co Of Canada Limited W684Q-210165/003/VIC Department of National Defence 2021/03/01 CAD 329,779.00
The Davey Tree Expert Co Of Canada Limited W0103-08C965/002/VIC Department of National Defence 2012/06/22 CAD 716,800.00
The Davey Tree Expert Co Of Canada Limited W0103-08C958/001/VIC Department of National Defence 2011/06/10 CAD 500,000.00
The Davey Tree Expert Co Of Canada Limited W0103-08C965/002/VIC Department of National Defence 2011/05/27 CAD 250,133.00
The Davey Tree Expert Co Of Canada Limited W0103-08C965/002/VIC Department of National Defence 2009/07/30 CAD 466,667.00
The Davey Tree Expert Co Of Canada Limited W0103-08C958/001/VIC Department of National Defence 2009/07/13 CAD 500,000.00
Davey Tree Expert Co. of Canada, Limited CW2240601 Department of National Defence (DND) 2025/03/31
Amended
 CAD 595,674.55
Davey Tree Expert Co. of Canada, Limited CW2240601 Department of National Defence (DND) 2025/03/31
Amended
 CAD 595,674.55
Davey Tree Expert Co. of Canada, Limited CW2240601 Department of National Defence (DND) 2023/09/27
Amended
 CAD 595,674.55
Davey Tree Expert Co. of Canada, Limited CW2240601 Department of National Defence (DND) 2023/05/30 CAD 595,674.55
Davey Fabrics Inc. W2604-11DZ02/001/REG Department of National Defence 2011/03/09 CAD 12,180.00
CompuCom Canada Co. E60ZT-180029/141/ZT Department of Public Works and Government… 2025/02/21
Amended
 CAD 0.00
Gartner Canada Co. EN537-05IT01/055/EI Department of Public Works and Government… 2024/10/30
Amended
 CAD 0.00
Gartner Canada Co. EN537-05IT01/055/EI Department of Public Works and Government… 2024/07/18
Amended
 CAD 0.00
Gartner Canada Co. EN537-05IT01/055/EI Department of Public Works and Government… 2024/03/23
Amended
 CAD 0.00
CompuCom Canada Co. E60ZT-180029/141/ZT Department of Public Works and Government… 2024/11/06
Amended
 CAD 0.00
Gartner Canada Co. E60ZT-180025/158/ZT Department of Public Works and Government… 2024/11/06
Amended
 CAD 0.00
Gartner Canada Co. E60ZT-180025/158/ZT Department of Public Works and Government… 2024/08/07
Amended
 CAD 0.00
CompuCom Canada Co. E60ZT-180029/141/ZT Department of Public Works and Government… 2024/08/06
Amended
 CAD 0.00
CompuCom Canada Co. E60ZT-180029/141/ZT Department of Public Works and Government… 2024/02/22
Amended
 CAD 0.00
Gartner Canada Co. E60ZT-180025/158/ZT Department of Public Works and Government… 2024/02/06
Amended
 CAD 0.00
SACRE-DAVEY INNOVATIONS INC. T8009-082047/001/HP Transport Canada 2009/05/26 CAD 69,038.00
Gartner Canada Co. CW2349953 Department of Employment and Social… 2024/03/01 CAD 138,106.60
Esri Canada Limited EN578-100808/069/EE Department of Public Works and Government… 2023/05/23
Amended
 CAD 0.00
Gartner Canada Co. E60ZT-16TSSB/218/ZT Department of Public Works and Government… 2024/03/05
Amended
 CAD 0.00
Gartner Canada Co. E60ZT-16TSSB/218/ZT Department of Public Works and Government… 2024/03/04
Amended
 CAD 0.00
Gartner Canada Co. E60ZT-16TSSB/218/ZT Department of Public Works and Government… 2023/03/03 CAD 0.00
Gartner Canada Co. CW2351135 Offices of the Information and Privacy… 2024/03/31 CAD 306,005.97
Gartner Canada Co. CW2351966 Department of Public Works and Government… 2025/03/30
Amended
 CAD 1,321,626.13
Gartner Canada Co. CW2351966 Department of Public Works and Government… 2024/03/31 CAD 1,321,626.13
Gartner Canada Co. CW2350118 Canadian Transportation Agency (CTA) 2024/03/31 CAD 210,507.73
PENNANT CANADA LIMITED E60ZT-180026/082/ZT Department of Public Works and Government… 2024/11/06
Amended
 CAD 0.00
PENNANT CANADA LIMITED E60ZT-180026/082/ZT Department of Public Works and Government… 2024/05/15
Amended
 CAD 0.00
PENNANT CANADA LIMITED EN578-170432/668/EI Department of Public Works and Government… 2023/06/16 CAD 0.00
Esri Canada Limited CW2344143 Department of the Environment (ECCC ) 2025/01/14
Amended
 CAD 980,780.06
Esri Canada Limited CW2344143 Department of the Environment (ECCC ) 2024/01/15 CAD 980,780.06
GARTNER CANADA CO EN578-172870/034/ZN Department of Public Works and Government… 2023/11/08
Amended
 CAD 0.00
Coastal Woodlands & Tree Services W6837-155521/001/PWA Department of National Defence 2019/05/01 CAD 184,000.00

Useful links

How to register your business

Register your business to view and bid on tender opportunities published by Public Services and Procurement Canada.

Getting started

Find out how to prepare for buying or selling to the Government of Canada.

Support

Contact us directly, or find your answers using resource guides.

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