Australia · Commonwealth contract register · Supplier record

SouthTech Systems Pty Ltd

Line: Surveillance and detection equipment (46171600)Register loaded to September 2026Compiled 16 October 2026

SouthTech Systems Pty Ltd — Australia · Commonwealth contract register · Supplier record: 52 contracts, all years (A$9,788,428 · Nov 2021 – Sep 2026); A$7.0M since January 2024 (34 contracts · 2 agencies); 15th rank in the line (of 133 suppliers · 1.55%); 13 agencies never served (A$48.0M on the line without SouthTech Systems Pty Ltd).

Assay record ASY-AU-19OX0MP0AS · Cite as: Assay Systems, “SouthTech Systems Pty Ltd: 34 government contracts in Australia since 2024”, https://assay-systems.com/register/au/southtech-systems-pty-ltd/

52
contracts, all years
A$9,788,428 · Nov 2021 – Sep 2026
A$7.0M
since January 2024
34 contracts · 2 agencies
15th
rank in the line
of 133 suppliers · 1.55%
13
agencies never served
A$48.0M on the line without SouthTech Systems Pty Ltd

Own record by year

2021 onward
A$36.6K
A$691K
A$2.0M
A$1.1M
A$5.5M
A$374K
202120222023202420252026

Who buys from SouthTech Systems Pty Ltd

since January 2024
2agencies
A$7.0Mpaid
98.0%top buyer
Department of Defence98.0%
A$6,894,131
Australian Signals Directorate2.0%
A$140,452

Won without a rival

2021-11-19 – 2026-09-03
50uncontested awards
96%of its awards
50without a competition
0single bid

SouthTech Systems Pty Ltd won 50 of its 52 public contract awards in Australia without a rival from 2021-11-19 to 2026-09-03: 50 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 43.

Buyers: Department of Defence (43) · Australian Signals Directorate (7)

Every uncontested award of SouthTech Systems Pty Ltd · Australia: all uncontested awards

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
15thof 133 suppliers
A$3,150,839SouthTech Systems Pty Ltd in the line
1.55%share of the line
2.0%of A$153,963,105 spent by Department of Defence

Agencies that buy the line and never bought from SouthTech Systems Pty Ltd

13agencies
108contracts
A$48,036,265since 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
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 SouthTech Systems 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
ATEK PTY LTD4 contracts · 3 agencies
A$3,399,386
OWEN INTERNATIONAL PTY LTD1 contract · 1 agency
A$3,198,380
SouthTech Systems Pty Ltd
A$3,150,839
SYFT TECHNOLOGIES LIMITED1 contract · 1 agency
A$2,550,577

All 133 suppliers in the line

Fastest-growing supplier in the line

same line
+177%growth

29008423005

2024 to Sep 2026
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.

Request extractSee a sample extract

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.