Company Overview

Established in 1990 by David and Andrew McMahon, McMahon Services initially focused on asbestos removal in South Australia and the Northern Territory. By the early 2000s, they attained ISO:9001 and ISO:14001 accreditation, expanding nationally and broadening services to include civil and environmental remediation.

Achieving AS/NZS 4801 and Federal Safety Accreditation, they opened offices across Australia and diversified further, offering building services, industrial cleaning, and emergency response. Now spanning New Zealand and Asia, McMahon Services has evolved into a comprehensive construction service provider, emphasizing excellence, safety, and environmental responsibility.

Products and Services

McMahon Services is a multi-disciplinary company that delivers:

Civil & Infrastructure,
Demolition, and
Engineering and Project Management.


Building and Civil Construction
Federal Safety Commissioner
Information Security – ISO/IEC 27001:2022
Quality – ISO 9001:2015
Work Health and Safety – ISO 45001:2018
Environmental – ISO 14001:2015
National Heavy Vehicle Accreditation Scheme – NHVAS51075
Defence Industry Security Program (DISP E-Level)



  • Building Construction
  • Construction
  • Construction Services
  • Defence
  • Heavy and Civil Engineering Construction
  • Other Construction