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Macmahon to Acquire Aspect Engineering Solutions for $53 Million

Published: September 22, 2026 |

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Macmahon has executed a share purchase agreement to acquire 100 percent of Aspect Engineering Solutions and associated subsidiaries for $75 million.

The acquisition is a strategically aligned expansion of Macmahon’s service offering, adding front-end engineering, detailed engineering, project delivery, minerals processing, and operations and maintenance capabilities to Macmahon’s established surface mining, underground mining, and civil infrastructure businesses.

The transaction directly supports Macmahon’s growth strategy by expanding on its engineering capability and accelerating the development of engineering and mineral processing as part of the group’s integrated platform.

“I’m delighted to welcome Aspect Engineering into the Macmahon Group. This strategic acquisition represents an important step in our drive to become a more comprehensive service provider across the mining value chain and to expand the engineering and minerals processing services we can provide to our clients,” said Michael Finnegan, Macmahon’s managing director and CEO.

“Aspect brings a high-quality engineering and project delivery capability that is highly complementary to our existing surface mining, underground mining, and civil infrastructure businesses,” added Finnegan.

“Aspect also provides a platform to accelerate the development of our minerals processing service offering, which is a strategic priority for Macmahon. We look forward to working with the Aspect team to realize the opportunities created by bringing our complementary capabilities together,” concluded Finnegan.

Aspect is a high-growth, low capital engineering and project delivery business that is highly complementary to Macmahon’s existing operations. Macmahon brings scale, balance-sheet capacity, project delivery infrastructure, client relationships and a significant operational footprint.

The combined business will provide clients with an integrated pathway from concept and feasibility through engineering, construction, mining, minerals processing and maintenance.

Aspect’s Perth operations are supported by a licensed Vietnam engineering and support hub, providing additional resourcing and design capacity.


Macmahon offers a complete package of mining and civil infrastructure services throughout Australia, New Zealand, and Southeast Asia. Macmahon’s extensive experience in surface mining, underground mining, and civil infrastructure has established the company as the contractor of choice for resources, non-resources, public infrastructure, and renewables projects across a range of locations and sectors. Macmahon is focused on developing strong respectful relationships with its clients where both parties work in an open, flexible, and transparent way to ensure mutually beneficial outcomes whilst also minimizing risks for both parties.


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