WORLDWIDE‑CORRUPTION

Canada · Findings · Contract value inflated by amendments

TETRA TECH CANADA

Why it is here

Indicator “Contract value inflated by amendments”: 21 contracts inflated by amendments ×2 and more (+11,233,837 $) in 3 departments: Crown-Indigenous Relations and Northern Affairs Canada / Parks Canada / Public Services and Procurement Canada.

The contract value grew through amendments after signing. Indicators computed from public data sets: contracts, payments, registers, trade and sanctions lists. An indicator is a reason to check, not a decision of a public authority.

Details

Company / subject
TETRA TECH CANADA
Buyer
3 departments
Indicator
Contract value inflated by amendments
Amount
CAD 11,233,837
Records behind the indicator
21
Found
3 October 2026
Code
K-11467

What stands behind it10

  1. Contract

    Engineering Consultants - Other

    Date 25 July 2023 · Amount CAD 192,256 · Buyer NA · Supplier Tetra Tech Canada Inc. · Ref C-2023-2024-Q3-00106 · original value 87,512 · procedure: OB · bids: 0

  2. Contract

    Engineering consultants-Construction

    Date 23 January 2023 · Amount CAD 302,858 · Buyer NA · Supplier TETRA TECH CANADA INC. · Ref C-2023-2024-Q3-00249 · original value 92,227 · procedure: TN · bids: 1

  3. Contract

    Engineering consultants - Other

    Date 6 December 2022 · Amount CAD 404,087 · Buyer NA · Supplier Tetra Tech Canada Inc. · Ref C-2022-2023-Q3-00220 · original value 86,528 · procedure: TC · bids: 0

  4. Contract

    Engineering consultants-Construction

    Date 30 November 2022 · Amount CAD 1,499,316 · Buyer NA · Supplier TETRA TECH CANADA INC. · Ref C-2023-2024-Q2-00259 · original value 593,927 · procedure: TN · bids: 1

  5. Contract

    Engineering Consultants - Other

    Date 9 August 2022 · Amount CAD 654,582 · Buyer NA · Supplier Tetra Tech Canada Inc. · Ref C-2022-2023-Q4-00170 · original value 324,293 · procedure: OB · bids: 0

  6. Contract

    Engineering Consultants - Other

    Date 7 April 2022 · Amount CAD 563,244 · Buyer NA · Supplier Tetra Tech Canada Inc. · Ref C-2022-2023-Q4-00114 · original value 10,500 · procedure: OB · bids: 0

  7. Contract

    Engineering Consultants - Construction

    Date 24 February 2022 · Amount CAD 948,786 · Buyer NA · Supplier Tetra Tech Canada Inc. · Ref C-2021-2022-Q4-00504 · original value 418,308 · procedure: TC · bids: 0

  8. Contract

    Engineering Consultants - Other

    Date 12 May 2021 · Amount CAD 2,498,785 · Buyer NA · Supplier Tetra Tech Canada Inc. · Ref C-2024-2025-Q1-00017 · original value 96,569 · procedure: OB · bids: 0

  9. Contract

    Engineering Consultants - Other

    Date 7 May 2021 · Amount CAD 304,343 · Buyer Parks Canada | Parcs Canada · Supplier Tetra Tech Canada Inc. · Ref C-2021-2022-Q2-00111 · original value 123,404 · procedure: OB

  10. Contract

    Engineering consultants-Construction

    Date 5 March 2021 · Amount CAD 1,495,008 · Buyer NA · Supplier TETRA TECH CANADA INC. · Ref C-2023-2024-Q4-00166 · original value 419,164 · procedure: TC · bids: 1

10 of 21 records shown.

Other records of this company5

  1. 013 October 2026Findings · Competition bypassed by amendments
  2. 023 October 2026Findings · Competitive procedure with a single bidder
  3. 033 October 2026Findings · Competitive procedure with a single bidder
  4. 043 October 2026Findings · Contract splitting under the threshold
  5. 053 October 2026Findings · Same amount just under the threshold at several buyers

JSONFindings · Contract value inflated by amendments