Australia · Commonwealth contract register · Supplier record

Mark Neilsen Pty Ltd trading as Set Square Productions

Line: Nonresidential building construction services (72120000)Register loaded to September 2026Compiled 6 October 2026

Mark Neilsen Pty Ltd trading as Set Square Productions — Australia · Commonwealth contract register · Supplier record: 1 contracts, all years (A$2,783,000 · Aug 2026 – Aug 2026); A$2.8M since January 2024 (1 contract · 1 agency); 9th rank in the line (of 103 suppliers · 2.85%); 20 agencies never served (A$94.7M on the line without Mark Neilsen Pty Ltd trading as Set Square Productions).

Assay record ASY-AU-178OK9I1GV · Cite as: Assay Systems, “Mark Neilsen Pty Ltd trading as Set Square Productions in the AusTender register”, https://assay-systems.com/register/au/mark-neilsen-pty-ltd-trading-as-set-square-productions/

1
contracts, all years
A$2,783,000 · Aug 2026 – Aug 2026
A$2.8M
since January 2024
1 contract · 1 agency
9th
rank in the line
of 103 suppliers · 2.85%
20
agencies never served
A$94.7M on the line without Mark Neilsen Pty Ltd trading as Set Square Productions

Own record by year

2026 onward
A$2.8M
2026

Who buys from Mark Neilsen Pty Ltd trading as Set Square Productions

since January 2024
1agencies
A$2.8Mpaid
100.0%top buyer
National Capital Authority100.0%
A$2,783,000

The line

since January 2024
A$97.5Mline value
136contracts
21agencies
103suppliers
76.7%held by top ten

Nonresidential building construction services (72120000)

A$66.5M
A$11.7M
A$19.3M
202420252026Jan–Sep
9thof 103 suppliers
A$2,783,000Mark Neilsen Pty Ltd trading as Set Square Productions in the line
2.85%share of the line
100.0%of A$2,783,000 spent by National Capital Authority

Agencies that buy the line and never bought from Mark Neilsen Pty Ltd trading as Set Square Productions

20agencies
135contracts
A$94,712,322since January 2024
Australian Federal Police46 contracts
A$32,992,488
Department of Health, Disability and Ageing1 contract
A$20,034,204
Department of Defence20 contracts
A$11,538,952
Bureau of Meteorology37 contracts
A$9,742,588
CSIRO2 contracts
A$9,209,388
Future Fund Management Agency1 contract
A$3,835,700
Department of Veterans' Affairs1 contract
A$1,950,145
National Gallery of Australia2 contracts
A$1,606,685
Department of Climate Change, Energy, the Environment and Water3 contracts
A$1,154,387
Department of Foreign Affairs and Trade9 contracts
A$884,422
Federal Court of Australia2 contracts
A$700,979
Department of Agriculture, Fisheries and Forestry1 contract
A$317,515
Department of Industry, Science and Resources3 contracts
A$214,930
Great Barrier Reef Marine Park Authority1 contract
A$163,787
National Archives of Australia1 contract
A$161,161
Geoscience Australia1 contract
A$80,000
Department of Home Affairs1 contract
A$54,153
Department of Finance1 contract
A$28,531
Australian Securities and Investments Commission1 contract
A$22,706
Australian Radiation Protection and Nuclear Safety Agency1 contract
A$19,602

How the line is bought

by value, since 2024
53%limited tender
0of these to Mark Neilsen Pty Ltd trading as Set Square Productions
Limited tender, no open approach to market113 contracts
A$51,968,264 · 53.3%
Open tender23 contracts
A$45,527,058 · 46.7%

Contracts reaching their end dates

Oct 2026 – October 2027
23contracts
A$14,190,127end by October 2027
8end in November 2026 · A$3.4M
23in agencies never served · A$14.2M
A$81.9K
A$3.4M
A$532K
A$2.9M
A$2.0M
A$257K
A$1.3M
A$3.8M
Oct 262 contractsNov 268 contractsDec 263 contractsFeb 273 contractsMar 273 contractsApr 271 contractMay 272 contractsJun 271 contract

Suppliers next to it in the line

since January 2024
DLG SHAPE PTY LIMITED4 contracts · 3 agencies
A$3,762,954
Sime Building Co Pty Ltd2 contracts · 1 agency
A$3,511,695
Mark Neilsen Pty Ltd trading as Set Square Productions
A$2,783,000
Silverstrand Limited2 contracts · 1 agency
A$1,753,380

All 103 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.