Professional engineering services (81100000): Australia public contracts since 2024

Updated 17 October 2026 · all lines

Professional engineering services (81100000): Australia public contracts since 2024. Since January 2024 the line carries 1,063 contracts worth $3,353,331,461 from 40 agencies. 424 suppliers share it. $748,583,179 in 2024. $2,012,675,710 in 2025. $592,072,572 in 2026.

Assay record ASY-AU-09ZBSWT17R · Cite as: Assay Systems, “Professional engineering services (81100000): Australia public contracts since 2024”, https://assay-systems.com/register/au/line/professional-engineering-services/

The line

Since January 2024 the line carries 1,063 contracts worth $3,353,331,461 from 40 agencies. 424 suppliers share it.

$748,583,179 in 2024. $2,012,675,710 in 2025. $592,072,572 in 2026.

Suppliers in the line, by value since 2024

The extract for this line

Names every department and buying office behind the figures, who holds each contract now, its value, contract number and end date, the open notices with their closing dates, and the notices behind every figure.

Largest suppliers in the line

Share of the line held by each of its largest suppliers, by value, in the AusTender register.

NAVANTIA AUSTRALIA16.6%KELLOGG BROWN ROOT12.5%BAE SYSTEMS AUSTRALIA9.5%AMENTUM AUSTRALIA9.3%DOWNER DEFENCE SERVICES7.4%RAYTHEON AUSTRALIA6.8%SEYMOUR WHYTE CONSTRUCTIONS4.9%LOCKHEED MARTIN AUSTRALIA3.8%SAAB AUSTRALIA3.3%BIRDON2.8%

All suppliers in Australia, A to Z

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.