CJM Trade Services
Specialised electrical contractors based in South Australia
With over 25 years of industry experience in power systems, we offer professional, safe, long-term solutions for your business.
Get In Touch
For enquires or electrical support across South Australia contact CJM Trade Services
What We Do
CJM Trade Services delivers specialist electrical contracting services across South Australia’s industrial and commercial sectors. With over 25 years of experience in the industry we provide installations, repairs, maintenance, and 24/7 emergency callouts for businesses where reliability and safety are paramount.
Commercial
CJM provides reliable electrical solutions for commercial facilities. We support office buildings, retail developments, telecommunications, and large commercial assets helping with installations, upgrades, preventative maintenance and fault diagnostics. Our focus is always on delivering safe and efficient outcomes that minimise disruption to your business.
Industrial
CJM supports industrial facilities where electrical reliability and safety is crucial in day to day operations. We install, upgrade and maintain services across primary & secondary power systems, batteries, and associated control equipment. With experience working in utilities, mining, rail and heavy industrial environments, our work is focused on delivering solutions with safety, operational coordination and long-term system reliability.
Services
• Power System Installations – Installation, upgrades and repairs of power generation systems, switchgear and associated infrastructure.
• Batteries and Secondary Power Systems – Installation, servicing and maintenance of industrial battery systems.
• Maintenance / Servicing – Scheduled servicing of generators, switchgear, and battery systems to ensure continued reliable operation and reduce risk of failure.
• Breakdown Diagnostics / Fault Finding – Troubleshooting and identification across industrial systems, power generation and backup infrastructure to restore operations quickly and efficiently.
• Labour Hire – Qualified electrical support for projects, site upgrades and contractor requirements
• Emergency Callouts – 24/7 emergency callouts to assist with diagnosing faults and restoring critical systems.
Markets
Power Generation
Utilities
Mining
Telecommunications
Rail & Transport
UPS & Critical Power
Why Choose Us
25+ Years industry experience – across power generation, industrial electrical systems and critical infrastructure envinronments.
Specialists in power systems – Strong technical capability in power generators, switchgear, batteries, & secondary power systems.
Industrial and Infrastructure background – Years of experience supporting utilities, mining, telecommunications and rail markets, with an understanding of complex operational sites.
Widespread knowledge and background – Combines hands-on electrical experience while maintaining understanding of the operational needs and requirements of the industry.
SA Owned and Operated – CJM is local and wholly owned and operated here in South Australia
Reliable Support – Clear Communication, dependable scheduling and practical solutions
Who We Are
CJM Trade Services is an independent electrical contractor specialising in power generation, secondary power systems and industrial electrical infrastructure across South Australia. Founded by Craig Cowles, the business draws on more than 25 years of industry experience working across power generation, utilities, renewables and critical infrastructure environments.
Craig began his career installing and maintaining generator systems and switchgear before progressing into a technical sales role with global electrical manufacturers, gaining extensive experience working alongside OEMs, contractors, consultants and infrastructure operators. In late 2025 Craig took the opportunity to found his own electrical contracting business – CJM trade Services.
This combination of hands-on electrical expertise and system-level technical knowledge allows CJM Trade Services to support industrial and commercial clients with reliable installation, maintenance and fault diagnostics across complex power systems.
