Gallagher is New Zealand's contribution to the top tier of physical security — access control trusted on commercial, industrial and government-adjacent sites around the world, in the bracket where "who can open which door" is a matter of consequence rather than convenience. We install and service Gallagher systems for Territory organisations whose sites carry real obligations: critical infrastructure, industrial facilities, defence-adjacent industry and businesses whose contracts or insurers expect security they can point to and defend.
Many access systems start life as convenience products and add security features later. Gallagher comes from the opposite direction — engineered for sites where the threat model is taken seriously from the first line of the design. When a Territory client's obligations are contractual, regulatory or reputational, we specify a platform built for that weight rather than one stretched to claim it.
Gallagher's reach extends beyond doors to perimeter security and site-wide management — one system with one operational picture, rather than a door product, a fence product and a monitoring product negotiating with each other. For industrial yards and facilities where the perimeter matters as much as the entry, that unity changes what's possible.
A New Zealand company with decades of security heritage and deployments across serious sites worldwide — close enough to this region to understand its conditions and supply lines, proven enough that specifying it needs no defending. When a system will run a facility for fifteen years, the manufacturer's longevity is part of the specification.
Good equipment still fails when it's installed like this is Melbourne. How we put Gallagher systems in up here:
Readers, controllers and perimeter equipment on a Territory industrial site live outdoors in cyclone country. We mount Gallagher field hardware to structure with stainless fixings, seal every enclosure and penetration against driven rain and humidity, and place controllers out of the roof-space heat that quietly shortens electronic life. High-security software deserves field hardware installed to the same standard.
Access control's hardest question is what each door does when power or communications fail — and in the Top End, they will, every wet season. We engineer fail-secure and fail-safe behaviour door by door with the client: safety egress always guaranteed, security maintained where it must be, backup power sized so a storm outage doesn't mean a site quietly unlocked at 2am.
An access system is a network of low-voltage cabling spread across an entire site — in the world's most active lightning territory, that's a system-wide exposure. We fit surge protection through the controller and reader network, isolate inter-building runs, and use fibre where distances and storms argue for it, so a strike near the gatehouse doesn't ripple through every door on site.
Utilities, fuel and logistics facilities, marine and aviation-adjacent industry — sites where access control is part of the operating licence in spirit if not in letter, and where the audit trail matters as much as the lock.
Contractors and facilities working to government-grade expectations, where the security platform itself is scrutinised. Gallagher's standing in that world means the specification conversation is short.
Organisations tired of running doors, alarms and perimeter as separate systems — a single Gallagher platform gives operations one picture and management one accountable system.
Great White Security is product-agnostic — we install and service Gallagher systems where they're the right fit for the site, and recommend alternatives where they're not.
Tell us about your property and we'll come back with practical options and honest pricing.