★★★★★
"Ninety came in on a complex builder job where the previous contractor had walked off. They had the site back on programme within a week. Communication was clear the whole way through."
Project Manager — Tier Builder, Inner Melbourne
Melbourne contractor capability
Electrical, HVAC & Power Infrastructure — Delivered at Scale.
Ninety Services Group delivers electrical, HVAC, service, maintenance and temporary power solutions across residential, commercial, industrial and major infrastructure environments.
Supporting live sites, critical systems and demanding project timelines with reliable workmanship, clear communication and compliant delivery.
Melbourne-Based
Licensed & Insured
Tier Builder & Infrastructure Proven
Electrical • HVAC • Gensets • BESS
REC 35180 — Licensed Electrical Contractor
About Ninety
Built for Sites That Cannot Afford Downtime.
Ninety Services Group is a Melbourne-based contractor operating across electrical, HVAC and power infrastructure. We support homeowners, builders, developers, facility teams, commercial operators and infrastructure contractors with practical, compliant and performance-driven outcomes.
Our work spans everyday service and maintenance through to complex project environments, temporary power systems, generator support and battery energy storage solutions.
We understand site pressure, staging, access constraints, compliance requirements and the need for reliable communication from start to finish.
24/7Operational mindset
Site-wideElectrical, HVAC and power support
Client Feedback
What Our Clients Say
★★★★★
"We use Ninety across multiple commercial properties for maintenance. Responsive, professional, and the documentation is always in order. Exactly what you need from a contractor."
Facilities Manager — Commercial Property Portfolio, Melbourne★★★★★
"They designed and delivered a hybrid power solution for our site that our previous supplier said couldn't be done. No disruption, no delays. Nikolas was across every detail."
Site Manager — Construction Project, South YarraCore Capabilities
Core Capabilities
EL
Electrical
- General electrical works
- Fault finding and diagnostics
- Switchboard upgrades
- Lighting and power
- Distribution and site power
- Compliance and maintenance
HV
HVAC
- Split system installation
- Servicing and cleaning
- Fault diagnosis
- Repairs and replacements
- Preventative maintenance
- Performance optimisation
kW
Power Infrastructure
- Generator supply and support
- Genset installation and maintenance
- BESS deployment
- Hybrid power systems
- Temporary building supply
- Site establishment power
✓
Service & Maintenance
- Reactive maintenance
- Scheduled servicing
- Compliance registers
- Breakdown response
- Reporting and documentation
- Long-term asset support
Greenfour15 associated capability
Temporary Power, Gensets & BESS for Construction and Infrastructure.
Ninety Services Group operates alongside Greenfour15 — our dedicated temporary power and energy infrastructure arm. Together we cover generator supply, BESS deployment and hybrid site power from first establishment through to decommission. One call, one coordinated team.
From early works and temporary building supply through to staged site power and load-managed systems, we provide practical energy solutions designed to reduce downtime, control running costs and support site performance.
Project capability
Proven Across Multiple Project Environments.
Ninety Services Group operates across domestic, commercial, industrial and infrastructure environments. Our team understands the expectations of builders, contractors and project teams working under pressure — where safety, communication, programme and compliance all matter.
Residential and high-end domestic worksCommercial service and maintenanceIndustrial electrical supportTier builder project worksInfrastructure site supportTemporary power and energy systems
Why Ninety Services Group
Why Ninety Services Group
Proven on Site
We already operate within demanding construction and infrastructure environments, where reliability and accountability are non-negotiable.
Integrated Capability
Electrical, HVAC, gensets, BESS and temporary power support under one coordinated contractor.
Clear Communication
Direct updates, practical solutions and no unnecessary complexity.
Built for Long-Term Performance
We focus on compliant installation, reliable maintenance and systems that continue to perform after handover.
Melbourne Service Areas
Areas We Service Across Melbourne
Ninety Services Group operates across metropolitan Melbourne and surrounding areas including Melbourne CBD, Southbank, Docklands, South Yarra, Richmond, Hawthorn, Cremorne, Fitzroy, Brunswick, Footscray, Clayton, Dandenong, Moorabbin, Braeside, Laverton, Altona, and key infrastructure corridors across Victoria.
Contact us on 0421 758 039 to confirm availability in your area.
How We Work
How We Work
Define
We clarify the scope, site conditions, timelines and operational requirements.
Plan
We develop a practical, compliant solution aligned to the project or maintenance need.
Deliver
We execute with safety, coordination and workmanship at the forefront.
Support
We provide ongoing service, maintenance, reporting and optimisation where required.
Need Reliable Electrical, HVAC or Power Infrastructure Support?
From a single service call to site-wide temporary power, Ninety Services Group delivers practical solutions that keep projects and properties moving.