Australia · Commonwealth contract register · Supplier record

SIEPER & CO. PTY. LIMITED

Line: Electronic hardware and component parts and accessories (32130000)Register loaded to September 2026Compiled 16 October 2026

SIEPER & CO. PTY. LIMITED — Australia · Commonwealth contract register · Supplier record: 2 contracts, all years (A$83,571 · Mar 2022 – May 2025); A$66.1K since January 2024 (1 contract · 1 agency); 195th rank in the line (of 426 suppliers · 0.02%); 41 agencies never served (A$258M on the line without SIEPER & CO. PTY. LIMITED).

Assay record ASY-AU-0E6Y0QM0T1 · Cite as: Assay Systems, “SIEPER & CO. PTY. LIMITED: 1 government contract in Australia since 2024”, https://assay-systems.com/register/au/sieper-co-pty-limited/

2
contracts, all years
A$83,571 · Mar 2022 – May 2025
A$66.1K
since January 2024
1 contract · 1 agency
195th
rank in the line
of 426 suppliers · 0.02%
41
agencies never served
A$258M on the line without SIEPER & CO. PTY. LIMITED

Own record by year

2022 onward
A$17.4K
A$66.1K
20222023202420252026

Who buys from SIEPER & CO. PTY. LIMITED

since January 2024
1agencies
A$66.1Kpaid
100.0%top buyer
Australian Federal Police100.0%
A$66,125

Won without a rival

2022-03-11 – 2025-05-09
2uncontested awards
100%of its awards
2without a competition
0single bid

SIEPER & CO. PTY. LIMITED won 2 of its 2 public contract awards in Australia without a rival from 2022-03-11 to 2025-05-09: 2 without a competition and 0 after a competition that drew a single bid. 1 buyer awarded it without a rival, the largest Australian Federal Police with 2.

Buyers: Australian Federal Police (2)

Every uncontested award of SIEPER & CO. PTY. LIMITED · Australia: all uncontested awards

The line

since January 2024
A$266Mline value
948contracts
42agencies
426suppliers
48.1%held by top ten

Electronic hardware and component parts and accessories (32130000)

A$91.7M
A$61.0M
A$113M
202420252026Jan–Sep
195thof 426 suppliers
A$66,125SIEPER & CO. PTY. LIMITED in the line
0.02%share of the line
0.9%of A$7,203,177 spent by Australian Federal Police

Agencies that buy the line and never bought from SIEPER & CO. PTY. LIMITED

41agencies
929contracts
A$258,480,633since January 2024
Department of Defence726 contracts
A$226,173,734
Australian Signals Directorate59 contracts
A$6,104,465
Department of Industry, Science and Resources9 contracts
A$5,625,860
Bureau of Meteorology34 contracts
A$3,831,123
Australian Criminal Intelligence Commission15 contracts
A$3,629,164
Australian National Audit Office1 contract
A$2,097,490
Australian Securities and Investments Commission2 contracts
A$1,876,332
National Gallery of Australia1 contract
A$1,824,969
Geoscience Australia9 contracts
A$1,576,781
Department of Foreign Affairs and Trade6 contracts
A$1,144,330
Office of the Commonwealth Ombudsman4 contracts
A$974,363
Old Parliament House1 contract
A$429,615
Clean Energy Regulator1 contract
A$411,500
Aged Care Quality and Safety Commission2 contracts
A$300,000
Department of Agriculture, Fisheries and Forestry5 contracts
A$276,653
National Anti-Corruption Commission4 contracts
A$257,045
Grains Research and Development Corporation1 contract
A$226,565
Department of Foreign Affairs and Trade - Australian Aid Program1 contract
A$224,836
National Archives of Australia2 contracts
A$193,690
Australian Electoral Commission2 contracts
A$178,790
Administrative Review Tribunal4 contracts
A$134,628
Australian Financial Security Authority3 contracts
A$127,414
Department of Climate Change, Energy, the Environment and Water5 contracts
A$113,280
Australian Competition and Consumer Commission3 contracts
A$104,960
Great Barrier Reef Marine Park Authority3 contracts
A$103,213
Royal Australian Mint5 contracts
A$100,605
Department of Home Affairs3 contracts
A$73,805
Future Fund Management Agency3 contracts
A$62,686
Department of Parliamentary Services2 contracts
A$49,178
National Blood Authority1 contract
A$43,747
Department of Finance1 contract
A$36,701
Department of Infrastructure, Transport, Regional Development, Communications and the Arts1 contract
A$24,970
Australian Prudential Regulation Authority1 contract
A$24,800
Department of Social Services1 contract
A$21,704
Australian Bureau of Statistics2 contracts
A$21,236
Australian Transaction Reports and Analysis Centre1 contract
A$18,348
Department of Health, Disability and Ageing1 contract
A$17,204
Fair Work Commission1 contract
A$12,796
Australian Radiation Protection and Nuclear Safety Agency1 contract
A$10,900
Australian Submarine Agency1 contract
A$10,588
Australian Research Council1 contract
A$10,563

How the line is bought

by value, since 2024
80%limited tender
0of these to SIEPER & CO. PTY. LIMITED
Limited tender, no open approach to market853 contracts
A$212,799,292 · 80.1%
Open tender95 contracts
A$52,884,518 · 19.9%

Contracts reaching their end dates

Oct 2026 – October 2027
86contracts
A$52,927,307end by October 2027
24end in June 2027 · A$26.7M
79in agencies never served · A$49.4M
A$1.9M
A$7.9M
A$8.6M
A$205K
A$2.8M
A$3.9M
A$233K
A$164K
A$26.7M
A$384K
A$41.3K
Oct 266 contractsNov 2616 contractsDec 2612 contractsJan 273 contractsFeb 275 contractsMar 278 contractsApr 274 contractsMay 274 contractsJun 2724 contractsJul 273 contractsAug 271 contract

Suppliers next to it in the line

since January 2024
INTRAVISION PTY LTD2 contracts · 2 agencies
A$66,601
CCD NETWORKING PTY LTD2 contracts · 1 agency
A$66,503
SIEPER & CO. PTY. LIMITED
A$66,125
UNIVERSITY OF TECHNOLOGY SYDNEY1 contract · 1 agency
A$66,000

All 426 suppliers in the line

Fastest-growing supplier in the line

same line
+194%growth

66008642751

2024 to Sep 2026
A$23,105,373
2022–2023
A$7,870,425

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.