Australia · Commonwealth contract register · Supplier record

TETRA TECH COFFEY PTY LTD

Line: Environmental management (77100000)Register loaded to September 2026Compiled 6 October 2026

TETRA TECH COFFEY PTY LTD — Australia · Commonwealth contract register · Supplier record: 9 contracts, all years (A$14,278,640 · Nov 2021 – Dec 2025); A$13.6M since January 2024 (5 contracts · 1 agency); 45th rank in the line (of 627 suppliers · 0.38%); 21 agencies never served (A$3.2B on the line without TETRA TECH COFFEY PTY LTD).

Assay record ASY-AU-1DQTX4T1I6 · Cite as: Assay Systems, “TETRA TECH COFFEY PTY LTD in the AusTender register”, https://assay-systems.com/register/au/tetra-tech-coffey-pty-ltd/

9
contracts, all years
A$14,278,640 · Nov 2021 – Dec 2025
A$13.6M
since January 2024
5 contracts · 1 agency
45th
rank in the line
of 627 suppliers · 0.38%
21
agencies never served
A$3.2B on the line without TETRA TECH COFFEY PTY LTD

Own record by year

2021 onward
A$250K
A$254K
A$220K
A$7.5M
A$6.1M
202120222023202420252026

Who buys from TETRA TECH COFFEY PTY LTD

since January 2024
1agencies
A$13.6Mpaid
100.0%top buyer
Department of Defence100.0%
A$13,554,890

Before 2024 only: Asbestos Safety and Eradication Agency, Department of Industry, Science and Resources, Department of Veterans' Affairs.

The line

since January 2024
A$3.6Bline value
1,497contracts
24agencies
627suppliers
46.7%held by top ten

Environmental management (77100000)

A$1.1B
A$1.4B
A$1.0B
202420252026Jan–Sep
45thof 627 suppliers
A$13,554,890TETRA TECH COFFEY PTY LTD in the line
0.38%share of the line
3.6%of A$378,039,806 spent by Department of Defence

Agencies that buy the line and never bought from TETRA TECH COFFEY PTY LTD

21agencies
1,347contracts
A$3,155,595,760since January 2024
Department of Climate Change, Energy, the Environment and Water1,114 contracts
A$2,850,742,984
Department of Agriculture, Fisheries and Forestry117 contracts
A$126,298,341
Great Barrier Reef Marine Park Authority28 contracts
A$70,484,617
Department of Foreign Affairs and Trade - Australian Aid Program5 contracts
A$65,179,042
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts18 contracts
A$12,710,125
CSIRO6 contracts
A$9,161,409
Director of National Parks6 contracts
A$6,188,568
Bureau of Meteorology17 contracts
A$5,120,746
Sydney Harbour Federation Trust1 contract
A$3,080,207
Murray-Darling Basin Authority4 contracts
A$3,070,242
Department of Finance5 contracts
A$1,289,769
Department of Infrastructure, Transport, Regional Development, Communications and the Arts7 contracts
A$909,110
Australian Submarine Agency3 contracts
A$307,280
National Environmental Protection Agency1 contract
A$299,762
Department of the Prime Minister and Cabinet5 contracts
A$234,778
Royal Australian Mint2 contracts
A$156,181
Attorney-General's Department2 contracts
A$145,382
Australian Signals Directorate2 contracts
A$143,000
Department of Parliamentary Services2 contracts
A$29,161
Department of Foreign Affairs and Trade1 contract
A$27,930
Department of Home Affairs1 contract
A$17,127

How the line is bought

by value, since 2024
6%limited tender
0of these to TETRA TECH COFFEY PTY LTD
Open tender1,245 contracts
A$3,348,891,175 · 93.6%
Limited tender, no open approach to market252 contracts
A$229,856,585 · 6.4%

Contracts reaching their end dates

Oct 2026 – October 2027
237contracts
A$1,141,510,551end by October 2027
58end in October 2026 · A$227M
185in agencies never served · A$892M
A$227M
A$549M
A$109M
A$18.5M
A$19.5M
A$22.2M
A$17.3M
A$1.2M
A$105M
A$61.3M
A$11.2M
Oct 2658 contractsNov 2613 contractsDec 2630 contractsJan 2722 contractsFeb 2723 contractsMar 2714 contractsApr 276 contractsMay 274 contractsJun 2758 contractsJul 274 contractsAug 275 contracts

Suppliers next to it in the line

since January 2024
South Coast Natural Resource Management Inc6 contracts · 2 agencies
A$14,253,797
TETRA TECH COFFEY PTY LTD
A$13,554,890
TERRITORY NATURAL RESOURCE MANAGEMENT INCORPORATED8 contracts · 2 agencies
A$13,141,847
SOUTHERN QUEENSLAND NATURAL RESOURCES MANAGEMENT LTD7 contracts · 2 agencies
A$12,817,768

All 627 suppliers in the line

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

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Source: AusTender Contract Notice Export, Department of Finance, Commonwealth of Australia, via data.gov.au, licensed under Creative Commons Attribution 3.0 Australia; accessed 25 September 2026.Assay Systems has changed the data.