1963
1963

Macmahon is established

Macmahon Construction was established on August 5, 1963, while Macmahon Holdings Limited was formed as the parent company. The Company's first annual report was issued in 1964, reporting revenue of $1 million and a profit of more than $38,500.
Macmahon History 1963 Macmahon is established
1967
1967

First mining contract secured

Macmahon won its first mining contract for excavation works at Nobles Nob Gold Mines at Tennant Creek in the Northern Territory.
Macmahon History 1967 - First mining contract secured
1970
1970

Darwin River Dam

Construction commenced in 1970, with the earth and rockfill dam supplying water from 1972.
1978
1978

Railways and highways

Macmahon began construction of the Tarcoola to Alice Springs Railway, as well as a section of the Great Northern Highway near Broome, WA.
Macmahon History 1978 Railways and highways
1983
1983

Macmahon is listed on the ASX

With more than 1000 employees and $77 million in revenue, Macmahon was formally listed on the Australian Stock Exchange. The Company also commenced civil works for the 1500km Dampier to Perth natural gas pipeline in 1983.
Macmahon History -1983 'Off highway dump trucks hauling bedding material to the Dampier-Perth Gas Line'
1987
1987

Mining expansion

Macmahon acquired FK Kanny & Sons, an open cut mining contractor based in Western Australia. The acquisition enabled Macmahon to further expand its operations in the mining sector.
Macmahon History 1987-Mining expansion FK Kanny & Sons
1992
1992

Working with Hamersley Iron

Macmahon secured the contract for bulk handling of iron ore in Dampier for Hamersley Iron Pty Ltd.
1994
1994

Overseas expansion

Macmahon established its international operations with ventures in Chile and Malaysia. Heads of Agreement were signed with Heng Huat Quarries for quarry development in Malaysia.
Macmahon History 1994 Overseas expansion
1995
1995

Underground expansion

Kalgoorlie based underground mining and consultancy services group National Mine Management Pty Ltd was acquired. A Macmahon office was also established in Indonesia to explore business opportunities in the region.
1997
1997

Fully accredited

Macmahon became the first Australian contracting company to have its entire operations accredited to international Environmental and Quality Assurance standards.
Macmahon History 1997 Fully accredited
1998
1998

National growth in the civil sector

Macmahon's civil contracts were extensive during 1998, including the Adelaide-Crafters Highway and a tunnel project in South Australia, the upgrade of the Royal Australian Air Force based at Learmonth (as part of a joint venture) and the construction of a 87km rail formation for Hamersley Iron in Western Australia.
2001
2001

Coal and construction wins

Macmahon's growth in the coal sector was confirmed with new contracts at Blackwater, Queensland and Muswellbrook, New South Wales. The construction of the Alice Springs to Darwin Railway began and the Company also secured a 10 year road maintenance contract in Western Australia.
Macmahon History 2011 Coal and construction wins - Muswellbrook Coal Mine
2006
2006

Business growth

Macmahon acquired ARD and CRE in 2006 to further expand its underground mining service offering. The Company also acquired 60 percent of MVM Rail, with the remaining 40 percent owned by Spanish company COMSA EMTE.
Macmahon History 2006 Business growth - MVM Rail

Indigenous employment and training

Macmahon established the Indigenous Mine Skills Program to provide pre-employment training for Indigenous people seeking a career in the resources sector.
2010
2010

Mining contract in Africa

Macmahon commenced its first African mining contract in Nigeria in February 2010.
Macmahon History 2010 Mining contract in Africa
2011
2011

Mongolia bound

Macmahon secured its first contract in Mongolia, for coal mining operations at the Tavan Tolgoi project.
Macmahon History 2011 Mongolia bound
2013
2013

Mining future confirmed

Macmahon finalises sale of Construction business and confirms future focus on mining.
Macmahon History 2013 Mining future confirmed
2014
2014

Tropicana project demonstrates value of alliance contract model

Macmahon continues to build a strong relationship with Anglo Gold Ashanti and Independence Group at Tropicana. Tropicana becomes Macmahon’s most significant contract.
Macmahon History 2014-16-Tropicana project demonstrates value of alliance contract model
2015
2015

Macmahon secures major mining contracts in Australia and Indonesia

Macmahon awarded mining services contracts at Telfer in WA, St Ives in WA and Martabe in Indonesia (in joint venture with a local partner).
Macmahon History-2015 Macmahon secures major mining contracts in Australia and Indonesia
2017
2017

Macmahon awarded largest ever mining contract

Macmahon awarded a US$2.8 billion mining services contract at Batu Hijau for PT AMNT. In the process, AMNT becomes Macmahon’s largest shareholder with a 44.3% holding in Macmahon shares.
Macmahon History 2017-Macmahon awarded largest ever mining contract

Macmahon re-establishes presence on the east coast of Australia

Macmahon was selected by Byerwen Coal, a subsidiary of QCoal, as the exclusive partner to provide contract mining services at the Byerwen Coal Mine in the Queensland Bowen Basin.
Macmahon History 2017 - Macmahon re-establishes presence on the east coast of Australia
2018
2018

Macmahon adds civil capability

Macmahon signed an agreement to purchase TMM Group, a civil construction and maintenance services company based in Brisbane.
Macmahon History 2018 - Macmahon adds civil capability
2019
2019

Macmahon increases underground capability

Macmahon acquired Western Australian based, specialist underground contractor GBF Underground Mining Group (GBF).
Macmahon History 2019 - Macmahon increases underground capability
2020
2020

Macmahon awarded $700M contract extension at Byerwen

Secured expansion and extension of existing coking coal contract in the Bowen Basin to November 2023, plus 2 year option.
Macmahon History 2020 - Macmahon awarded $700M contract extension at Byerwen

Macmahon awarded $250M contract for equipment hire and maintenance services at Foxleigh in Queensland

Macmahon formally awarded a 5 year contract for the Foxleigh project extending our range of services to new JV clients QMetco, POSCO Australia and Nippon Steel Australia.
Macmahon History 2020 - Macmahon awarded $250M contract for equipment hire and maintenance services at Foxleigh in Queensland
2021
2021

Macmahon expands WA underground operations and adds $720M to its order book

Macmahon were awarded a new 4 year mining services contract with Silverlake Resources for the Deflector Gold Mine, estimated at $220M. This is a direct benefit of the GBF acquisition as the incumbent contractor. St Barbara awarded Macmahon a new mining services 5 year contract with a 3 year option for the Gwalia Gold Mine, estimated at $500M.
Macmahon History 2021 - Macmahon expands WA underground operations and adds $720M to its order book
2021
2021

Macmahon increases east coast presence with Anglo American

Macmahon was selected for a 3 year, $200M surface mining contract with Anglo American at the Dawson South Mine in Queensland, commencing July 2021.
Macmahon History 2021 - Macmahon increases east coast presence with Anglo American
2022
2022

Macmahon secures $650M combined surface and underground contract at Red 5’s King of the Hills Project in WA

Macmahon receives a LOI for Eastern Goldfields King of the Hills surface and underground mining services contract, commencing 2022. This 5 year contract is Macmahon's 2nd combined underground and surface mining services contract.
Macmahon History 2021 - Macmahon secures $650M combined surface and underground contract at Red 5’s King of the Hill Project in WA
2023
2023

Macmahon diversifies into Lithium

Macmahon delivers on its strategy to diversify on future commodities securing a $1.1bn contract at Talison Lithium's Greenbushes project in WA, commencing 1 July 2023.
2023
2023

Macmahon celebrates 60th anniversary

August 5 2023 marks 60 years of a remarkable journey. We are immensely proud to have played a pivotal role in the mining industry's growth, fostering communities, and contributing to a sustainable future.
2024
2024

Macmahon acquires Decmil

Macmahon continues to deliver on its strategy to diversify with the acquisition of Decmil on 15 August adding significant scale and capability to Macmahon's existing civil infrastructure offering.
Our Businesses

We provide world-class mining and civil infrastructure contracting services

Surface Mining

Macmahon’s mining services has established a strong reputation within the resources sector, with surface mining operations in Australia and Southeast Asia.
Surface Mining

Underground Mining

Our underground mining capabilities range from total mine development and production to specialised services to meet the short and long-term requirements of our clients.
Underground Mining

Civil Infrastructure

Decmil provides complex, multi-disciplinary project delivery across the infrastructure, resources, and renewable energy sectors.
Decmil