Australia · Commonwealth contract register · Supplier record

Aestra Pty Ltd

Line: Environmental management (77100000)Register loaded to September 2026Compiled 16 October 2026

Aestra Pty Ltd — Australia · Commonwealth contract register · Supplier record: 8 contracts, all years (A$6,263,857 · Sep 2022 – Apr 2026); A$4.6M since January 2024 (6 contracts · 3 agencies); 128th rank in the line (of 627 suppliers · 0.11%); 20 agencies never served (A$650M on the line without Aestra Pty Ltd).

Assay record ASY-AU-0QZUVAV145 · Cite as: Assay Systems, “Aestra Pty Ltd: 6 government contracts in Australia since 2024”, https://assay-systems.com/register/au/aestra-pty-ltd/

8
contracts, all years
A$6,263,857 · Sep 2022 – Apr 2026
A$4.6M
since January 2024
6 contracts · 3 agencies
128th
rank in the line
of 627 suppliers · 0.11%
20
agencies never served
A$650M on the line without Aestra Pty Ltd

Own record by year

2022 onward
A$51.5K
A$1.6M
A$3.5M
A$1.0M
20222023202420252026

Who buys from Aestra Pty Ltd

since January 2024
3agencies
A$4.6Mpaid
64.9%top buyer
Great Barrier Reef Marine Park Authority64.9%
A$2,960,000
Director of National Parks27.9%
A$1,271,460
Department of Climate Change, Energy, the Environment and Water7.3%
A$330,905

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

Won without a rival

2022-09-21 – 2026-04-28
6uncontested awards
75%of its awards
6without a competition
0single bid

Aestra Pty Ltd won 6 of its 8 public contract awards in Australia without a rival from 2022-09-21 to 2026-04-28: 6 without a competition and 0 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Director of National Parks with 2.

Buyers: Director of National Parks (2) · Department of Climate Change, Energy, the Environment and Water (2) · Great Barrier Reef Marine Park Authority (1) · Department of Infrastructure, Transport, Regional Development, Communications and the Arts (1)

Every uncontested award of Aestra Pty Ltd · Australia: all uncontested awards

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
128thof 627 suppliers
A$3,812,366Aestra Pty Ltd in the line
0.11%share of the line
4.2%of A$70,484,617 spent by Great Barrier Reef Marine Park Authority
12.5%of A$6,188,568 spent by Director of National Parks
0.0%of A$2,850,742,984 spent by Department of Climate Change, Energy, the Environment and Water

Agencies that buy the line and never bought from Aestra Pty Ltd

20agencies
342contracts
A$650,422,481since January 2024
Department of Defence138 contracts
A$378,039,806
Department of Agriculture, Fisheries and Forestry117 contracts
A$126,298,341
Department of Foreign Affairs and Trade - Australian Aid Program5 contracts
A$65,179,042
Department of Industry, Science and Resources11 contracts
A$44,361,071
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts18 contracts
A$12,710,125
CSIRO6 contracts
A$9,161,409
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 Veterans' Affairs1 contract
A$751,124
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 Aestra Pty Ltd
Open tender1,248 contracts
A$3,352,703,541 · 93.7%
Limited tender, no open approach to market249 contracts
A$226,044,219 · 6.3%

Contracts reaching their end dates

Oct 2026 – October 2027
224contracts
A$1,133,306,174end by October 2027
60end in June 2027 · A$112M
87in agencies never served · A$292M
A$215M
A$549M
A$109M
A$18.5M
A$19.5M
A$19.2M
A$17.7M
A$408K
A$112M
A$61.3M
A$11.2M
Oct 2644 contractsNov 2613 contractsDec 2630 contractsJan 2722 contractsFeb 2723 contractsMar 2713 contractsApr 277 contractsMay 273 contractsJun 2760 contractsJul 274 contractsAug 275 contracts

Suppliers next to it in the line

since January 2024
MURRY IRRIGATION LIMITED2 contracts · 1 agency
A$3,910,101
Aestra Pty Ltd
A$3,812,366
Agritec Finance Pty Ltd5 contracts · 1 agency
A$3,589,542
N, C, A & E Willox as executors of T J Willox3 contracts · 1 agency
A$3,578,669

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.