Supplier · Construction, Infrastructure, Defense & Aerospace

McMahon Services Australia

Won in the last 12 months$46M▼ 84% on the year beforeValue won per quarter, last three years
Contracts on record300$558M in total
Running now0Latest win Nov 2026
Next contract endingDec 2026$5.8M · Department of Defence
Biggest buyerDepartment of Mining and Energy40% of their value
240contractssince 2008
$506.3Mwon in totallatest Aug 2026
$277Ktypical contractmost $47K to $1M
$40.1Mlast 12 monthsdown from $275.2M
11active now10 end within a year
Biggest buyerDepartment of Mining and Energy5 contracts · $224.5M · 44% of value

What they do

McMahon Services Australia supplies construction, infrastructure and water and sanitation works. Its contracts cover civil works, remediation, demolition, building and water treatment.

Who buys from them

Its largest buyers are Department of Mining and Energy, Department of Defence and Department for Infrastructure and Transport. It has 29 buyers.

Department of Mining and EnergyDepartment of DefenceDepartment for Infrastructure and TransportPower and Water CorporationDepartment of Infrastructure, Planning and Logistics

Contract size

Contracts most often fall between $47K and $1M, with a median of $277K. The largest are Rum Jungle rehabilitation civil works and site remediation at $129M and water remediation and pit backfill at $87.3M, both for Department of Mining and Energy.

Recent activity

In the last 12 months there were 17 contracts worth $40.1M. Of 11 active contracts, 10 end within 12 months, including Whyalla SAAS Ambulance Station in Oct 2026.

Built from awarded contracts on record

What they win

How much they win each year, the size of a typical contract, and every contract on record.

Contract history

Demolition Works for North-South Corridor Torrens to DarlingtonInfrastructure$1.5MConstruction of Ceduna Equipment Shed for SA Water CorporationConstruction$2.6M08/08/2025Demolition Works Completed for Greater Seaton Stage 2 by McMahon ServicesConstruction$367K07/11/2024General Building Contractor Work for Northern Crisis Stabilisation CentreConstruction$17.6M07/02/2025Upgrade of Bridge Road and Wynn Vale Drive Junction by McMahon Services AustraliaInfrastructure$4.5M31/01/2025Design and Construction of New Hybrid Composting Toilet Block at Limmen National ParkConstruction$395KUpgrade of Port Augusta Hospital by McMahon Services Australia Pty LtdConstruction$6.9M27/05/2025Completion of Scour Repair for Gurra Gurra Creek Bridge by McMahon Services Australia Pty LtdInfrastructure$3M26/06/2025Hazardous Waste Removal Services Provided to Department of Industry, Science and ResourcesEnergy & Environment$220K25/07/2025Completion of Civil Works by MCMAHON SERVICES AUSTRALIA PTY LTD for Department of DefenceConstruction$52K23/06/2025

Who they win it from

Their biggest government buyers and how much of their work each one is.

Department of Mining and Energy is their biggest buyer at 40% of value, across 5 buyers shown.

Department of Mining and Energy$224M40%
Department of Defence$146M26%
Department for Infrastructure and Transport$70M13%
Power and Water Corporation$37M7%
Department of Infrastructure, Planning and Logistics$17M3%
Other buyers$63M11%

Coming up

Contracts that end soon and may go back out to tender.

Contracts ending in the next three years11 contracts · $37M
Today20282029

The next one ends December 2026 at Department of Defence.

About them

Company details, where they work and the names they trade under.

Also traded asMcMahon ervices, McMahon Services, MCMAHON SERVICES, MCMAHON SERVICES AUST NT PTY LTD, MCMAHON SERVICES AUSTR, McMahon Services Australia, MCMAHON SERVICES AUSTRALIA, McMahon Services Australia NT, McMahon Services Australia (NT) Pty Ltd, McMahon Services Australia NT Pty Ltd, MCMAHON SERVICES AUSTRALIA P/L, MCMAHON SERVICES AUSTRALIA PTY L, McMahon Services Australia pty ltd, McMahon Services Australia Pty Ltd, MCMAHON SERVICES AUSTRALIA PTY LTD, McMahon Services (NT) Australia Pty Ltd, McMahon Services (NT) Pty Ltd, McMahon Services Pty Ltd

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Open tenders that match their work

Demolition of Lot 18, 2 MacDonald Way, Fitzroy Crossing, WA 6765Closes 19 NovConstructionCivil and Landscape Infrastructure for Muirhead North Stages 1B, 1C & 2, Lee Point NTCloses 8 JanInfrastructureHarold E Holt Defence Precinct Redevelopment – Managing Contractor ProcurementCloses 30 JuneConstructionDarwin (Top End East) — General Building Repairs and Maintenance for Government Assets (36 months)Closes 24 NovConstructionMallee Cliffs Disposal Basin Storage Shed – Design, Supply and ConstructionCloses 17 NovConstructionGregadoo Waste Management Centre – Replacement & Maintenance of Nine Extraction PumpsCloses 20 NovWater & SanitationNirimba Fields Stage 7 Civil and Landscape Construction – Defence Housing AustraliaCloses 19 NovConstructionAlice Springs Hospital – Plumbing and Hydraulic Maintenance & Minor Works (36-Month Contract)Closes 1 DecConstructionGatehouse and Associated Civil Works at University Drive Waste Facility – Bundaberg Regional Council (TEN/2798)Closes 17 NovConstructionSupport Facilities and Infrastructure Upgrades at HMAS Stirling, Western AustraliaCloses 31 DecDefense & AerospaceRefurbishment and System Upgrades at HMAS Kuttabul & HMAS Waterhen, NSWCloses 23 NovConstructionDesign and Construction of 18 Houses – Googong, NSW (Defence Housing Australia)Closes 10 DecConstruction

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