Australia · Commonwealth contract register · Supplier record

SILENTIUM DEFENCE PTY LTD

Line: Surveillance and detection equipment (46171600)Register loaded to September 2026Compiled 6 October 2026

SILENTIUM DEFENCE PTY LTD — Australia · Commonwealth contract register · Supplier record: 4 contracts, all years (A$3,611,738 · Oct 2021 – Jul 2025); A$62.7K since January 2024 (1 contract · 1 agency); — rank in the line (of 133 suppliers · 0.0%); 14 agencies never served (A$49.8M on the line without SILENTIUM DEFENCE PTY LTD).

Assay record ASY-AU-0LH1AO40DA · Cite as: Assay Systems, “SILENTIUM DEFENCE PTY LTD in the AusTender register”, https://assay-systems.com/register/au/silentium-defence-pty-ltd/

4
contracts, all years
A$3,611,738 · Oct 2021 – Jul 2025
A$62.7K
since January 2024
1 contract · 1 agency
—
rank in the line
of 133 suppliers · 0.0%
14
agencies never served
A$49.8M on the line without SILENTIUM DEFENCE PTY LTD

Own record by year

2021 onward
A$1.1M
A$2.4M
A$62.7K
202120222023202420252026

Who buys from SILENTIUM DEFENCE PTY LTD

since January 2024
1agencies
A$62.7Kpaid
100.0%top buyer
Department of Defence100.0%
A$62,700

The line

since January 2024
A$204Mline value
287contracts
15agencies
133suppliers
69.4%held by top ten

Surveillance and detection equipment (46171600)

A$42.2M
A$88.5M
A$73.1M
202420252026Jan–Sep
—of 133 suppliers
A$0SILENTIUM DEFENCE PTY LTD in the line
0.0%share of the line

Agencies that buy the line and never bought from SILENTIUM DEFENCE PTY LTD

14agencies
117contracts
A$49,759,303since January 2024
Department of Home Affairs42 contracts
A$31,346,327
Department of Agriculture, Fisheries and Forestry10 contracts
A$7,970,760
Australian Federal Police29 contracts
A$4,274,485
Department of Foreign Affairs and Trade7 contracts
A$2,037,275
Australian Signals Directorate9 contracts
A$1,723,038
Department of Parliamentary Services3 contracts
A$1,054,636
Bureau of Meteorology8 contracts
A$567,001
Department of Industry, Science and Resources1 contract
A$450,889
Department of the Prime Minister and Cabinet1 contract
A$178,974
Great Barrier Reef Marine Park Authority2 contracts
A$72,128
Australian Prudential Regulation Authority1 contract
A$36,240
Department of Health and Aged Care2 contracts
A$23,040
Austrade1 contract
A$12,629
Australian Centre for Disease Control1 contract
A$11,881

How the line is bought

by value, since 2024
72%limited tender
0of these to SILENTIUM DEFENCE PTY LTD
Limited tender, no open approach to market226 contracts
A$146,064,096 · 71.7%
Open tender61 contracts
A$57,658,312 · 28.3%

Contracts reaching their end dates

Oct 2026 – October 2027
57contracts
A$221,284,914end by October 2027
19end in June 2027 · A$143M
35in agencies never served · A$36.9M
A$1.6M
A$370K
A$54.2M
A$512K
A$2.2M
A$1.9M
A$3.4M
A$9.5M
A$143M
A$4.6M
Oct 262 contractsNov 264 contractsDec 269 contractsJan 272 contractsFeb 274 contractsMar 275 contractsApr 275 contractsMay 273 contractsJun 2719 contractsJul 274 contracts

Suppliers next to it in the line

since January 2024
MELBOURNE HEALTH1 contract · 1 agency
A$11,881
PAYPAL *SONARTECHAT1 contract · 1 agency
A$11,086
WORMALD TECHNOLOGY1 contract · 1 agency
A$10,693
SILENTIUM DEFENCE PTY LTD
A$0

All 133 suppliers in the line

Fastest-growing supplier in the line

same line
+177%growth

29008423005

2024 to date
A$39,603,240
2022–2023
A$14,272,160

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.