Kolsen Pty Ltd

Contact Details


Unit 10
66 Coonawarra Road

Winnellie NT 0820

+61 8 8947 3772

ABN  22636655037

Company Profile

Kolsen has been established since 1985 and is one of the largest local employers in the Northern Territory, operating across facilities, electrical and industrial service streams. Headquartered in Darwin with branches in Katherine and Alice Springs, our teams are deployed across the Territory. Our 400+ local workforce includes tradespeople, technicians, compliance and administration personnel, and management, across our operating businesses Sterling NT, Espec, Regional Asset Maintenance Services; and Switchboard and Power Controls. The Kolsen businesses operate independently of each other but often collaborate to deliver integrated services to shared clients or sites. We specialise in operating in hazardous areas and high security work environments, such as LNG plants, mine sites and Defence bases, as well as public spaces and road networks. Our people are supported by ISO certified management systems and comprehensive ongoing training.

Products and Services

Facilities Maintenance - landscaping, grounds maintenance and commercial cleaning
Electrical - HV, EEHA, solar and maintenance
Industrial Services - maintenance, mechanical, electrical and civil projects, campaigns
NATA and Department of Defence accredited testing facilities and mechanical workshop enable us to complete hyperbaric and hydrostatic testing, calibration and repairs locally in Darwin