We go the distance – going wherever our clients need us to tackle the toughest jobs that few others would, or could, deliver.

McMahon Services is a leading privately-owned environmental, infrastructure and building construction and services provider operating across New Zealand and Australia.

Established in 1990 by brothers David and Andrew McMahon, the business has grown from an Adelaide-based company into an award-winning contractor across the Australia Pacific Region.

With 16 offices and workshops across New Zealand and Australia, we employ over 700 staff delivering projects in capital cities, rural townships, isolated islands and in remote outback locations.

New Zealand Service Offering

From our head office in Auckland, and support from our parent company McMahon Services Australia, we deliver projects anywhere throughout the North and South Islands.

We service local, national and international customers within the commercial, industrial, transport, utilities, resources, Defence and Government sectors. Our reputation is built on our track record of delivering high-risk projects in some of the most challenging conditions.

Our highly qualified and experienced project management and construction management teams allow for integrated multi-tiered project solutions across service lines:

  • Asbestos and Hazardous Waste Management
  • Environmental Remediation
  • Demolition and Decommissioning
  • Roofing and Cladding Services

Plant and Equipment

Our in-house skilled and experienced personnel are supported by a significant fleet of plant, equipment, workshops and warehouses which allows us to self-perform the vast majority of works.

We invest heavily in new technologies and boast an $80 million network of company-owned plant and equipment. Major plant items comprise of dozers, excavators, graders, rollers, loaders, dump trucks, batching plants, service trucks, water trucks, soil blending machines, prime movers, hook lift bin trucks, low loaders, semi tippers and cranes.

Project Delivery

Through our multi-disciplinary, multi-tiered approach, we have successfully delivered some of region’s largest, most complex and toughest construction projects with a combined value in excess of $3.0 billion.

Our work spans high-volume small-scale projects to complex multi-million-dollar projects sometimes managed over disperse geographical areas. We develop long-term collaborative relationships with clients, with more than half our work being for repeat clients across all industries.


Integrated Management System

Across all projects and service lines, all projects operate under a single McMahon Services management system.

This system is certified to the Federal Safety Commission Scheme, AS/NZS 4801:2001 Occupational Health and Safety Management System, ISO 9001:2008 Quality Management System and ISO 14001:2004 Environmental Management System. This ensures a consistent and streamlined project management approach.

McMahon Services’ success is underpinned by the leadership of our senior management team and the dedication of our 600 personnel in offices across Australia.

Our Key Services