MAS Systems provides commercial electrical repairs and maintenance services for businesses across London and the South East, helping minimise downtime and keep essential systems operating safely and reliably.
From urgent electrical faults and emergency breakdowns to ongoing maintenance and fault finding, our engineers respond quickly and work efficiently to restore power, identify issues and get your business back up and running with minimal disruption.

- Fast response fault finding and diagnostics
- Emergency commercial electrical repairs
- Power outage and distribution fault investigation
- Lighting repairs and replacements
- Socket, circuit and wiring repairs
- Distribution board and fuseboard fault finding
- Emergency lighting repairs and testing
- Fire alarm and safety system fault support
- Planned preventative maintenance options
- Electrical safety inspections and reporting
- Tenant and landlord repair call-outs
- Ongoing maintenance contracts available

We work with offices, retail units, warehouses, industrial sites and commercial landlords to provide a dependable, professional repair service — whether it’s a single fault or ongoing support across multiple properties.
