Operating Where Performance Matters.
Ninety Services Group was built to deliver reliable electrical, HVAC and power infrastructure support across every level of work — from residential maintenance through to commercial, industrial and infrastructure project environments.
Established capability
Service work through to major project support.
Ninety Services Group was founded by Nikolas Chletsos, a licensed electrician with over 15 years of hands-on experience across residential, commercial, industrial and infrastructure environments.
We built this business around one standard: show up, scope it properly, deliver it cleanly, and communicate throughout. That applies whether the job is a domestic fault call or a hybrid power system for a tier builder on a live construction site.
Today we operate across electrical, HVAC, service, maintenance, temporary power, generators and BESS — with the systems and licensing to deliver at scale without losing the accountability that comes from a contractor who actually cares about the outcome.
How Ninety fits
A contractor built for coordination, compliance and uptime.
Residential to Infrastructure
One operating standard across private homes, occupied buildings, live construction sites, industrial assets and infrastructure corridors.
Integrated Delivery
Electrical, HVAC, service, maintenance, temporary power, gensets and BESS capability aligned under a single delivery mindset.
Built Around Site Reality
Staging, access, safety, documentation, programme pressure and handover expectations are treated as core delivery conditions.
The Team
The Team Behind the Work
Ninety is led by Nikolas Chletsos — a licensed electrician with over 15 years across trades, projects and infrastructure. Every job is backed by licensed workmanship, compliant documentation and direct communication — no layers of administration between the site and the decision-maker.
When you deal with Ninety, you deal with someone who has been on the tools, understands site pressure, and knows what good delivery looks like.
Bring Ninety in early.
Scope the job, identify power and services requirements, and build a practical delivery path before site pressure escalates.