ContractTrail

Government vendor · Montréal, Quebec

Tetra Tech QI inc.

Contracts with the federal government, Dec 2014 to Jun 2026. Based in Montréal, Quebec, going by its postal code.

Federal contracts
$27M
121 contracts
Buyers
11
departments and agencies
Non-competitive
28%
of 117 contracts that say how they were awarded
First and latest
2014–2026

Federal contracts over $10,000, contracts dated Jan 2004 to Sep 2026, each counted once at its latest reported value. Source: Treasury Board proactive publication of contracts, published October 13, 2026.

See this vendor’s records on the government’s contract search

Who it sells to

Department or agencyContractsTotal
Public Services and Procurement Canada69$20.2M
Fisheries and Oceans Canada11$3.2M
National Research Council Canada12$1.3M
Department of Housing, Infrastructure and Communities2$954K
Correctional Service of Canada17$797K
National Defence2$387K
Parks Canada3$68K
Health Canada1$60K
Natural Resources Canada2$14K
Environment and Climate Change Canada1$14K
Agriculture and Agri-Food Canada1$11K

What it sells

By the Treasury Board object code each contract was filed under.

CategoryContractsTotal
Engineering consultants-Other7$8.3M
Architectural services19$6.3M
Engineering services not elsewhere specified45$6.1M
Marine installations4$2.9M
Engineering consultants-Construction19$1.4M
Other professional services not elsewhere specified10$1.1M
Other engineering works5$321K
Construction services2$84K
Other equipment1$74K
Marine installations2$72K
Office buildings1$70K
Other Business services not Elsewhere Specified1$39K
Other non-residential buildings1$15K
Institutional buildings1$15K
Heating, air-conditioning and refrigeration equipment1$14K
Scientific services1$1

Largest contracts

DateBuyerValue
Sep 2016Public Services and Procurement Canada$8,038,579
Jan 2018Fisheries and Oceans Canada$1,167,408
May 2024Public Services and Procurement Canada$933,340
May 2017Public Services and Procurement Canada$894,041
Sep 2017Public Services and Procurement Canada$754,989
Jan 2023Public Services and Procurement Canada$743,752
Aug 2016Fisheries and Oceans Canada$737,185
Jan 2017Public Services and Procurement Canada$720,326
Dec 2024National Research Council Canada$703,591
May 2019Public Services and Procurement Canada$591,989

By year

YearContractsTotal
20141$14K
20152$253K
20168$10.3M
201718$3.7M
201818$2.3M
201911$1.6M
20206$770K
20217$490K
20228$1.1M
202316$2.7M
202415$2.7M
20258$570K
20263$522K

Federal contracts

Newest first. Each at its latest reported value, amendments included.

DateBuyerValue
Jun 2026Fisheries and Oceans Canada$42,886
Jun 2026Public Services and Procurement Canada$10,703
Feb 2026Public Services and Procurement Canada$468,351
Nov 2025National Research Council Canada$14,918
Nov 2025Public Services and Procurement Canada$38,695
Oct 2025Public Services and Procurement Canada$104,903
Aug 2025Public Services and Procurement Canada$25,295
Aug 2025Public Services and Procurement Canada$179,954
Jul 2025Public Services and Procurement Canada$87,777
Jan 2025National Research Council Canada$22,771
Jan 2025National Research Council Canada$95,862
Dec 2024National Research Council Canada$703,591
Nov 2024Public Services and Procurement Canada$59,954
Nov 2024Correctional Service of Canada$13,199
Nov 2024National Research Council Canada$34,911
Nov 2024Public Services and Procurement Canada$527,517
Oct 2024Public Services and Procurement Canada$40,000
Jun 2024Public Services and Procurement Canada$11,394
Jun 2024Public Services and Procurement Canada$16,295
May 2024National Research Council Canada$21,367
May 2024Public Services and Procurement Canada$933,340
Mar 2024Public Services and Procurement Canada$116,690
Feb 2024Correctional Service of Canada$128,483
Feb 2024Fisheries and Oceans Canada$39,804
Feb 2024National Research Council Canada$19,543
Jan 2024Public Services and Procurement Canada$21,840
Dec 2023Public Services and Procurement Canada$43,303
Dec 2023Public Services and Procurement Canada$18,274
Nov 2023National Research Council Canada$94,294
Oct 2023Public Services and Procurement Canada$35,718
Oct 2023National Research Council Canada$99,133
Sep 2023National Research Council Canada$71,744
Sep 2023National Research Council Canada$73,919
Aug 2023Public Services and Procurement Canada$587,412
Jul 2023Public Services and Procurement Canada$46,096
Jun 2023Correctional Service of Canada$10,000
Jun 2023Public Services and Procurement Canada$423,326
May 2023Public Services and Procurement Canada$33,802
Mar 2023Public Services and Procurement Canada$272,974
Mar 2023Public Services and Procurement Canada$20,849
Feb 2023Public Services and Procurement Canada$113,622
Jan 2023Public Services and Procurement Canada$743,752
Nov 2022Health Canada$59,787
Nov 2022Public Services and Procurement Canada$19,143
Aug 2022Public Services and Procurement Canada$14,832
Aug 2022Department of Housing, Infrastructure and Communities$423,659
Jul 2022Public Services and Procurement Canada$431,088
Apr 2022Correctional Service of Canada$36,998
Jan 2022Public Services and Procurement Canada$73,728
Jan 2022Public Services and Procurement Canada$25,244
Dec 2021Correctional Service of Canada$79,988
Nov 2021National Defence$173,211
Nov 2021Correctional Service of Canada$100,948
Sep 2021Public Services and Procurement Canada$41,334
May 2021Correctional Service of Canada$38,743
Apr 2021National Research Council Canada$44,840
Jan 2021Parks Canada$10,923
Dec 2020Department of Housing, Infrastructure and Communities$530,138
Feb 2020Public Services and Procurement Canada$86,670
Jan 2020Fisheries and Oceans Canada$22,988
Jan 2020Public Services and Procurement Canada$27,344
Jan 2020Public Services and Procurement Canada$58,227
Jan 2020Fisheries and Oceans Canada$44,287
Sep 2019Public Services and Procurement Canada$19,086
Jun 2019Parks Canada$12,187
May 2019Public Services and Procurement Canada$591,989
May 2019Environment and Climate Change Canada$13,653
Feb 2019Public Services and Procurement Canada$403,447
Feb 2019Correctional Service of Canada$14,372
Feb 2019Public Services and Procurement Canada$16,848
Jan 2019Correctional Service of Canada$12,406
Jan 2019Agriculture and Agri-Food Canada$10,923
Jan 2019Fisheries and Oceans Canada$79,466
Jan 2019Fisheries and Oceans Canada$413,562
Dec 2018Correctional Service of Canada$17,246
Nov 2018Public Services and Procurement Canada$11,094
Nov 2018Public Services and Procurement Canada$9,926
Nov 2018Public Services and Procurement Canada$28,744
Nov 2018Public Services and Procurement Canada$11,287
Oct 2018Public Services and Procurement Canada$144,192
Sep 2018Public Services and Procurement Canada$43,206
Aug 2018Correctional Service of Canada$76,161
Jun 2018Public Services and Procurement Canada$283,532
Jun 2018Public Services and Procurement Canada$24,996
Jun 2018Public Services and Procurement Canada$357,919
Mar 2018Public Services and Procurement Canada$70,493
Mar 2018Public Services and Procurement Canada$16,786
Mar 2018Public Services and Procurement Canada$13,780
Jan 2018Fisheries and Oceans Canada$1,167,408
Jan 2018Public Services and Procurement Canada$2,841
Jan 2018Correctional Service of Canada$24,886
Jan 2018Public Services and Procurement Canada$11,095
Oct 2017Public Services and Procurement Canada$476,149
Oct 2017Public Services and Procurement Canada$70,911
Sep 2017Public Services and Procurement Canada$18,814
Sep 2017Public Services and Procurement Canada$754,989
Sep 2017Parks Canada$45,358
Aug 2017Natural Resources Canada$1
Aug 2017Correctional Service of Canada$89,586
Aug 2017Public Services and Procurement Canada$21,845
May 2017Public Services and Procurement Canada$894,041
May 2017Natural Resources Canada$13,736
Apr 2017Public Services and Procurement Canada$28,380
Mar 2017Correctional Service of Canada$88,965
Mar 2017Fisheries and Oceans Canada$63,302
Feb 2017Public Services and Procurement Canada$18,875
Feb 2017Public Services and Procurement Canada$10,348
Feb 2017Public Services and Procurement Canada$11,314
Jan 2017Public Services and Procurement Canada$344,615
Jan 2017Public Services and Procurement Canada$720,326
Nov 2016Public Services and Procurement Canada$16,097
Sep 2016Public Services and Procurement Canada$8,038,579
Sep 2016Correctional Service of Canada$14,372
Sep 2016Public Services and Procurement Canada$536,336
Aug 2016Fisheries and Oceans Canada$737,185
Aug 2016Fisheries and Oceans Canada$558,781
Jul 2016Correctional Service of Canada$11,498
Jun 2016Public Services and Procurement Canada$411,141
Oct 2015National Defence$214,000
May 2015Correctional Service of Canada$39,321
Dec 2014Fisheries and Oceans Canada$14,385

CanadaBuys award notices

Contracts this vendor won through CanadaBuys since 2022.

AwardedSupplierValue
Jun 2026Tetra Tech QI inc.—
Jun 2024Tetra Tech QI inc.—
Feb 2024Tetra Tech QI inc.—
Feb 2023Tetra Tech QI inc.$272,974
Oct 2022Tetra Tech QI inc.$741,721

CanadaBuys award notices since Aug 2022. They overlap the Treasury Board contract figures and are never added to them. Source: CanadaBuys open data, October 12, 2026.