Fifty-nine firms cover Guernsey's electrical trade — electrical installation the core (15 firms), but leaning hard into electrification: nine each for EV chargers and solar PV, ten for electric heating, seven for air-source heat pumps. Ten belong to the GBTEA; eight hold NICEIC Approved Contractor status. —
Twenty-nine electricians on the island — weighted hard toward low-carbon retrofit: EV chargers, solar PV, and heat pumps.
Eleven firms cover cameras, alarms and access control — two SSAIB-certified, one SIA-licensed, the oldest trading since 1998.
Ten firms in the solar PV and battery-storage niche — renewable-energy specialists, electrical contractors, and two plumbing firms.
Three firms — none of them fire-only specialists: G4S (50+ years on the island), RefCo's M&E division (1998), Fire Guard sprinklers (2020).
Six aerial and satellite installers — four in St Peter Port, two specialising in MATV/SMATV systems for multi-dwelling reception.
Five of Guernsey's 62 electricians cover EV chargers — two installers and three trade wholesalers stocking Hydra, Tesla, and SolarEdge kit.
Four firms doing structured data cabling — a smart-home installer, a satellite specialist, an electrician, and an Alderney computer shop.
Three firms — two NICEIC electrical contractors offering lighting design, and a dedicated lighting wholesaler trading since 1981.
One firm per niche, picked for editorial depth.
Electrical contractor — installations, lighting, automation, renewables
Smart home and office technology solutions; Honeywell evohome distributor
Renewable energy installer — solar, batteries, heat pumps, EV charging
SSAIB certified & REFCOM accredited M&E contractor — high-end HVAC, BMS, and security systems
Satellite and aerial installation; home cinema and automation systems.
Renewable energy solutions provider established 2013; solar PV, EV charging
Electrical & network contractor — domestic, commercial, industrial.
Electrical contractor — installations, EICR, solar, fire, EV charging
AV and smart home specialists — cinema, automation, commercial solutions
Tagged in Electricians but not in one of the specific niches above.