Mechanical & Electrical Contractors in Cornwall and Devon.
Serving homeowners, businesses and industry.
Or call 01726 821 559
One in-house team for every discipline: electrical, plumbing, heating and renewables. From a homeowner’s boiler to a factory plant room.
GM Services is a mechanical and electrical contractor working across Cornwall and Devon. We are NICEIC and Gas Safe registered, with OFTEC alongside for oil-fired work, and we answer emergency call-outs 24 hours a day.
About GM Services
Who we help
All services in detail
Homeowners
For your home
Businesses
For your premises
Industrial
For your plant
Accredited by:
- ISO 9001:2015
Commercial and industrial plant, installed and maintained.
Our Services
What We Do
Electrical Installation & Contracting
Rewires, new installations, fault finding and control panels.
Electrical Testing & EICR
Condition reports, PAT testing and any remedial work the report calls for.
EV Charging
Home and workplace charge points, supply checked, installed and certificated.
Plumbing
Pipework, underfloor heating, drainage, leaks and commercial water services.
Heating & Boilers
Gas and oil boiler installation, servicing, repair and power flushing.
Renewables & Solar
Air source heat pumps, solar thermal commissioning, servicing and repair.
Mechanical Engineering & Pipework
Coded welding, HVAC plant, oil tank removal and pressure testing.
Industrial Boilers & Steam
Steam plant and burners. Strip down, cleaning, testing and certification.
Pipe Welding & Fabrication
TIG, arc, gas and MIG. On-site repair and off-site fabrication.
Gas Testing & Purging
Natural gas and LPG testing, purging and plant decommissioning.
Building Fabric & Maintenance
Repairs, drainage, core drilling and planned maintenance contracts.
We cover Cornwall and Devon
- St Austell
- Truro
- Newquay
- Bodmin
- Wadebridge
- St Columb Major
- Roche
- Liskeard
- Falmouth
- Helston
- Launceston
- Saltash
- Plymouth
- Exeter
Industrial and specialist work, coded welding, steam plant and gas purging, extends further across the South West.
What our customers say
Google reviews
“Turned up when they said, sorted our boiler the same day and left everything clean. Genuinely professional.”
“Rewired our unit with almost no disruption to trading. Clear pricing and a proper certificate at the end.”
“Fitted our solar and EV charger start to finish. Friendly team and no hard sell whatsoever.”
Ready to get started?
Tell us about your project.