Coll Electrical is one of Auckland’s most established and capable electrical contractors, backed by a team of 80+ skilled professionals and a fleet of over 50 vehicles and trucks. Operating from our purpose-designed headquarters in Penrose, we deliver projects efficiently, safely, and at scale.

Over the past 40 years, we’ve built a proven track record across some of Auckland’s most high-profile and technically demanding projects. Our experience spans major infrastructure, commercial developments, and large-scale public works — including the Auckland Harbour Bridge LED lighting installation, Commercial Bay, the New Zealand International Convention Centre, Hotel Britomart, Manawa Bay, the Eastern Busway, and key transport upgrades such as AMETI and Kirkbride Road.

Our in-house expertise covers the full project lifecycle, from electrical design and estimation through to project delivery, inspection, and commissioning. This integrated approach ensures quality, consistency, and accountability at every stage.

Beyond project delivery, our dedicated service division provides reliable, responsive support for clients. With 24/7 callout capability, we’re equipped to handle everything from urgent faults to ongoing maintenance and system optimisation.