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Contract awards · Supplier

DOWNER DEFENCE SERVICES PTY LTD

DOWNER DEFENCE SERVICES PTY LTD is named as the supplier on 6 contract notices published between Oct 2019 and Sept 2026 (amendments included). 6 of them publish a value, totalling A$854,784,712. Every figure below is read from the published notices, and every notice links to the portal that published it.

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6
contract notices, amendments included
A$854,784,712
disclosed value across 6 notices that publish one
Sept 2026
newest notice; the oldest is Oct 2019
1
AusTender contract notice

ABN on the notices

53 000 983 700 (as published on AusTender contract notices; other sources publish no ABN).

Buyers that awarded DOWNER DEFENCE SERVICES PTY LTD

By notice count, as published; disclosed values are the sum of the notices that publish one.

buyersnoticesdisclosed value
Department of Defence6A$854,784,712

What DOWNER DEFENCE SERVICES PTY LTD is awarded, by published category

By notice count, as published; disclosed values are the sum of the notices that publish one.

categoriesnoticesdisclosed value
Professional engineering services4A$169,186,688
Management support services1A$685,189,045
Temporary personnel services1A$408,980

Recent contract notices

Project Support
Department of Defence · won by DOWNER DEFENCE SERVICES PTY LTD · A$408,980 · 4 Sept 2026 · Temporary personnel services
CN4274120 · AusTender contract notice · Find on AusTender
Project Support Services
Department of Defence · won by DOWNER DEFENCE SERVICES PTY LTD · A$115,000 · 17 July 2026 · Professional engineering services
CN4261777 · AusTender contract notice · Find on AusTender
Support Services
Department of Defence · won by DOWNER DEFENCE SERVICES PTY LTD · A$5,427,645 · 27 Aug 2025 · Professional engineering services
CN4183476-A1 · AusTender contract notice · Find on AusTender
Management Support Services
Department of Defence · won by DOWNER DEFENCE SERVICES PTY LTD · A$81,896,953 · 28 July 2023 · Professional engineering services
CN3989493-A13 · AusTender contract notice · Find on AusTender
Management Support Services
Department of Defence · won by DOWNER DEFENCE SERVICES PTY LTD · A$81,747,090 · 28 July 2023 · Professional engineering services
CN3989493-A12 · AusTender contract notice · Find on AusTender
Enterprise Support Services Agreement
Department of Defence · won by DOWNER DEFENCE SERVICES PTY LTD · A$685,189,045 · 18 Oct 2019 · Management support services
CN3635039-A11 · AusTender contract notice · Find on AusTender
Helm scores every open tender against your own capability statement, with the reasoning itemised, and tells you when the tenders DOWNER DEFENCE SERVICES PTY LTD competes for open. Start free · How it works

Records refreshed 11 October 2026 with Helm's daily ingest.

Contract notice data from AusTender (tenders.gov.au) weekly exports, licensed under CC BY 3.0 AU via data.gov.au.

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