Australia · Commonwealth contract register · Supplier record

Kellogg Brown & Root Pty Ltd

Line: Professional engineering services (81100000)Register loaded to September 2026Compiled 16 October 2026

Kellogg Brown & Root Pty Ltd — Australia · Commonwealth contract register · Supplier record: 141 contracts, all years (A$1,193,524,012 · Sep 2021 – Aug 2026); A$980M since January 2024 (37 contracts · 6 agencies); 2nd rank in the line (of 424 suppliers · 12.46%); 32 agencies never served (A$216M on the line without Kellogg Brown & Root Pty Ltd).

Assay record ASY-AU-1G8OX1M1VB · Cite as: Assay Systems, “Kellogg Brown & Root Pty Ltd: 37 government contracts in Australia since 2024”, https://assay-systems.com/register/au/kellogg-brown-root-pty-ltd/

141
contracts, all years
A$1,193,524,012 · Sep 2021 – Aug 2026
A$980M
since January 2024
37 contracts · 6 agencies
2nd
rank in the line
of 424 suppliers · 12.46%
32
agencies never served
A$216M on the line without Kellogg Brown & Root Pty Ltd

Own record by year

2021 onward
A$56.9M
A$112M
A$44.6M
A$477M
A$464M
A$38.3M
202120222023202420252026

Who buys from Kellogg Brown & Root Pty Ltd

since January 2024
6agencies
A$980Mpaid
99.4%top buyer
Department of Defence99.4%
A$973,834,782
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts0.2%
A$2,342,476
Australian Nuclear Science and Technology Organisation0.2%
A$1,539,297
Australian Submarine Agency0.1%
A$1,420,753
Department of Foreign Affairs and Trade0.0%
A$395,002
Department of Climate Change, Energy, the Environment and Water0.0%
A$346,117

Before 2024 only: Department of Industry, Science and Resources, Department of Infrastructure, Transport, Regional Development, Communications and the Arts.

Won without a rival

2021-09-14 – 2026-08-26
12uncontested awards
9%of its awards
12without a competition
0single bid

KELLOGG BROWN & ROOT PTY LTD won 12 of its 141 public contract awards in Australia without a rival from 2021-09-14 to 2026-08-26: 12 without a competition and 0 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest Department of Defence with 11.

Buyers: Department of Defence (11) · Australian Submarine Agency (1)

Every uncontested award of KELLOGG BROWN & ROOT PTY LTD · Australia: all uncontested awards

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
2ndof 424 suppliers
A$417,934,311Kellogg Brown & Root Pty Ltd in the line
12.46%share of the line
13.7%of A$3,028,632,433 spent by Department of Defence
2.6%of A$59,749,792 spent by Australian Nuclear Science and Technology Organisation

Agencies that buy the line and never bought from Kellogg Brown & Root Pty Ltd

32agencies
100contracts
A$216,468,047since January 2024
National Capital Authority7 contracts
A$167,499,726
Australian Signals Directorate8 contracts
A$14,102,773
Comcare1 contract
A$4,803,283
Department of Foreign Affairs and Trade - Australian Aid Program4 contracts
A$4,683,150
Services Australia1 contract
A$3,278,484
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 Finance4 contracts
A$1,461,126
Attorney-General's Department9 contracts
A$1,236,865
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
Department of Veterans' Affairs2 contracts
A$33,905
National Anti-Corruption Commission1 contract
A$24,970

How the line is bought

by value, since 2024
55%limited tender
0of these to Kellogg Brown & Root Pty Ltd
Limited tender, no open approach to market847 contracts
A$1,829,536,833 · 54.6%
Open tender216 contracts
A$1,523,794,628 · 45.4%

Contracts reaching their end dates

Oct 2026 – October 2027
193contracts
A$803,449,335end by October 2027
59end in June 2027 · A$252M
24in agencies never served · A$16.4M
A$30.2M
A$45.6M
A$97.0M
A$76.6M
A$33.7M
A$106M
A$28.4M
A$50.4M
A$252M
A$35.6M
A$4.0M
A$43.7M
Oct 2625 contractsNov 2611 contractsDec 2647 contractsJan 275 contractsFeb 274 contractsMar 2714 contractsApr 273 contractsMay 2710 contractsJun 2759 contractsJul 279 contractsAug 275 contractsSep 271 contract

Fastest-growing supplier in the line

same line
+704%growth

90155020303

2024 to Sep 2026
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.