Australia · Commonwealth contract register · Supplier record

Siller Systems Administration

Line: File archive storage (78131602)Register loaded to September 2026Compiled 6 October 2026

Siller Systems Administration — Australia · Commonwealth contract register · Supplier record: 4 contracts, all years (A$325,894 · Oct 2021 – Jun 2026); A$119K since January 2024 (1 contract · 1 agency); — rank in the line (of 14 suppliers · 0.0%); 17 agencies never served (A$20.6M on the line without Siller Systems Administration).

Assay record ASY-AU-00PMKH11AB · Cite as: Assay Systems, “Siller Systems Administration in the AusTender register”, https://assay-systems.com/register/au/siller-systems-administration/

4
contracts, all years
A$325,894 · Oct 2021 – Jun 2026
A$119K
since January 2024
1 contract · 1 agency
—
rank in the line
of 14 suppliers · 0.0%
17
agencies never served
A$20.6M on the line without Siller Systems Administration

Own record by year

2021 onward
A$142K
A$24.9K
A$40.0K
A$119K
202120222023202420252026

Who buys from Siller Systems Administration

since January 2024
1agencies
A$119Kpaid
100.0%top buyer
Australian Transaction Reports and Analysis Centre100.0%
A$119,004

Before 2024 only: Department of the Senate, Fair Work Commission.

The line

since January 2024
A$20.6Mline value
37contracts
17agencies
14suppliers
99.8%held by top ten

File archive storage (78131602)

A$18.6M
A$1.1M
A$892K
202420252026Jan–Sep
—of 14 suppliers
A$0Siller Systems Administration in the line
0.0%share of the line

Agencies that buy the line and never bought from Siller Systems Administration

17agencies
37contracts
A$20,597,364since January 2024
Department of Defence7 contracts
A$9,469,157
Department of Agriculture, Fisheries and Forestry2 contracts
A$5,658,567
Department of Employment and Workplace Relations1 contract
A$1,827,000
Department of Health and Aged Care1 contract
A$1,551,016
Aged Care Quality and Safety Commission4 contracts
A$634,784
Attorney-General's Department1 contract
A$450,000
Office of the Director of Public Prosecutions6 contracts
A$340,730
Cancer Australia3 contracts
A$176,816
Australian Securities and Investments Commission1 contract
A$130,120
Australian Federal Police2 contracts
A$107,974
Australian Fisheries Management Authority1 contract
A$60,000
Office of the Commonwealth Ombudsman2 contracts
A$58,000
National Archives of Australia1 contract
A$39,792
Office of the Official Secretary to the Governor-General2 contracts
A$37,796
Australian Financial Security Authority1 contract
A$31,863
Australian Criminal Intelligence Commission1 contract
A$12,666
Department of Foreign Affairs and Trade1 contract
A$11,082

How the line is bought

by value, since 2024
11%limited tender
0of these to Siller Systems Administration
Open tender17 contracts
A$18,230,155 · 88.5%
Limited tender, no open approach to market20 contracts
A$2,367,209 · 11.5%

Contracts reaching their end dates

Oct 2026 – October 2027
15contracts
A$3,235,312end by October 2027
3end in November 2026 · A$366K
12in agencies never served · A$1.4M
A$280K
A$366K
A$603K
A$91.7K
A$70.0K
A$1.8M
A$11.0K
A$37.1K
Oct 261 contractNov 263 contractsDec 262 contractsJan 272 contractsMar 272 contractsApr 271 contractMay 271 contractJun 273 contracts

Suppliers next to it in the line

since January 2024
NATIONAL ARCHIVES OF AUSTRALIA1 contract · 1 agency
A$12,666
RELYANT Global, LLC1 contract · 1 agency
A$11,430
ONE HUNDRED TOWERS1 contract · 1 agency
A$11,082
Siller Systems Administration
A$0

All 14 suppliers in the line

Fastest-growing supplier in the line

same line
+982%growth

25004270991

2024 to date
A$12,570,589
2022–2023
A$1,162,240

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.