Australia · Commonwealth contract register · Supplier record

INTERIOR ENGINEERING TRUST

Line: Professional engineering services (81100000)Register loaded to September 2026Compiled 6 October 2026

INTERIOR ENGINEERING TRUST — Australia · Commonwealth contract register · Supplier record: 7 contracts, all years (A$240,320 · Oct 2021 – Aug 2026); A$55.4K since January 2024 (3 contracts · 2 agencies); 301st rank in the line (of 424 suppliers · 0.0%); 36 agencies never served (A$3.3B on the line without INTERIOR ENGINEERING TRUST).

Assay record ASY-AU-1A5ZBY50X0 · Cite as: Assay Systems, “INTERIOR ENGINEERING TRUST in the AusTender register”, https://assay-systems.com/register/au/interior-engineering-trust/

7
contracts, all years
A$240,320 · Oct 2021 – Aug 2026
A$55.4K
since January 2024
3 contracts · 2 agencies
301st
rank in the line
of 424 suppliers · 0.0%
36
agencies never served
A$3.3B on the line without INTERIOR ENGINEERING TRUST

Own record by year

2021 onward
A$88.3K
A$96.6K
A$55.4K
202120222023202420252026

Who buys from INTERIOR ENGINEERING TRUST

since January 2024
2agencies
A$55.4Kpaid
81.2%top buyer
Attorney-General's Department81.2%
A$45,000
Department of Veterans' Affairs18.8%
A$10,395

Before 2024 only: National Anti-Corruption Commission, Services Australia.

The line

since January 2024
A$3.4Bline value
1,063contracts
40agencies
424suppliers
77.0%held by top ten

Professional engineering services (81100000)

A$749M
A$2.0B
A$592M
202420252026Jan–Sep
301stof 424 suppliers
A$45,000INTERIOR ENGINEERING TRUST in the line
0.0%share of the line
3.6%of A$1,236,865 spent by Attorney-General's Department

Agencies that buy the line and never bought from INTERIOR ENGINEERING TRUST

36agencies
1,050contracts
A$3,348,757,237since January 2024
Department of Defence854 contracts
A$3,028,632,433
National Capital Authority7 contracts
A$167,499,726
Australian Nuclear Science and Technology Organisation8 contracts
A$59,749,792
Department of Foreign Affairs and Trade15 contracts
A$20,249,878
Australian Signals Directorate8 contracts
A$14,102,773
Department of Climate Change, Energy, the Environment and Water50 contracts
A$11,017,153
Department of Industry, Science and Resources21 contracts
A$9,708,396
Comcare1 contract
A$4,803,283
Australian Submarine Agency6 contracts
A$4,766,385
Department of Foreign Affairs and Trade - Australian Aid Program4 contracts
A$4,683,150
Department of Home Affairs5 contracts
A$2,415,944
Australian Institute of Marine Science3 contracts
A$2,377,485
Director of National Parks1 contract
A$2,154,304
Geoscience Australia4 contracts
A$2,086,704
Australian Electoral Commission1 contract
A$2,000,000
Australian Taxation Office2 contracts
A$1,703,238
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts5 contracts
A$1,513,055
Department of Finance4 contracts
A$1,461,126
Department of Infrastructure, Transport, Regional Development, Communications and the Arts4 contracts
A$1,226,322
Department of Parliamentary Services6 contracts
A$1,043,104
Australian Federal Police5 contracts
A$918,511
Australian Bureau of Statistics2 contracts
A$910,000
Australian Maritime Safety Authority1 contract
A$693,000
Australian War Memorial1 contract
A$506,330
Bureau of Meteorology7 contracts
A$488,594
Department of Agriculture, Fisheries and Forestry5 contracts
A$457,514
Great Barrier Reef Marine Park Authority5 contracts
A$356,765
National Indigenous Australians Agency1 contract
A$285,588
Australian Radiation Protection and Nuclear Safety Agency4 contracts
A$219,180
Clean Energy Regulator1 contract
A$190,080
Department of the Treasury3 contracts
A$160,545
Australian Criminal Intelligence Commission1 contract
A$132,330
Royal Australian Mint2 contracts
A$80,553
Department of the Prime Minister and Cabinet1 contract
A$65,000
Australian Securities and Investments Commission1 contract
A$61,596
Australian Transaction Reports and Analysis Centre1 contract
A$37,400

How the line is bought

by value, since 2024
55%limited tender
0of these to INTERIOR ENGINEERING TRUST
Limited tender, no open approach to market845 contracts
A$1,829,491,833 · 54.6%
Open tender218 contracts
A$1,523,839,628 · 45.4%

Contracts reaching their end dates

Oct 2026 – October 2027
198contracts
A$842,967,670end by October 2027
62end in June 2027 · A$286M
190in agencies never served · A$822M
A$34.7M
A$45.6M
A$98.0M
A$76.6M
A$33.7M
A$106M
A$28.4M
A$50.4M
A$286M
A$35.6M
A$4.0M
A$43.7M
Oct 2626 contractsNov 2611 contractsDec 2648 contractsJan 275 contractsFeb 274 contractsMar 2714 contractsApr 273 contractsMay 2710 contractsJun 2762 contractsJul 279 contractsAug 275 contractsSep 271 contract

Fastest-growing supplier in the line

same line
+704%growth

90155020303

2024 to date
A$555,252,448
2022–2023
A$69,022,410

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.