Ten firms — seven limited companies, one partnership. Two NICEIC-approved M&E contractors, a lightning-protection specialist trading since the early 1980s, an RFID-scanner maker, and Alderney Renewable Energy, developer of the France–Alderney–Britain interconnector. The oldest, City Electrical Factors, has been a St Sampson wholesaler since 1951. —
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Vale·Est. 1980
Lightning Enterprises CI Ltd provides lightning protection, surge protection, and earthing services across the Channel Islands from its base in the Vale.
St Peter Port·Professional services·Est. 1979
Part of Henderson Green Partnership (Jersey HQ: 1st Floor, 3 Britannia Place, Bath Street, St Helier, Jersey JE2 4YS)
Mechanical and electrical engineering consultancy in St Peter Port, providing building services and energy assessments for Guernsey's construction sector.
Alderney·Est. 2004
Alderney-based privately owned limited company established in 2004, specialising in tidal energy development and subsea interconnector projects like the FAB Link.
St Martin·Est. 2016
Guernsey mechanical and electrical contractor offering HVAC, plumbing, fire safety, security, and renewable energy services to commercial clients.
St Peter Port
Part of Trant Engineering Ltd
✦Most experience: 60+ years
Civil engineering contractor and approved utility contractor, the Guernsey arm of Trant Engineering Ltd.
St Sampson·Est. 1951
✦Oldest in this niche
Trade electrical wholesaler in St Sampson, supplying cables, EV chargers, solar products, and power tools to professional contractors.
St Sampson·Est. 2017
Limited company established in 2017, specialising in electrical engineering and installation for both commercial and residential clients across Guernsey.
St Saviour·Est. 2006
Manufacturer of RFID scanners, designing, developing, and prototyping them to customer specifications, including Halo microchip scanners and the Race Check variant for 90,000 Australian racehorses.
St Sampson
Electrical engineering company providing services including CCTV, fire alarms, industrial plant engineering, and renewables like solar PV and EV charge points to the Channel Islands.
St Pierre du Bois·Professional services
NICEIC Approved Contractor and Trustmark approved electrical contractor with 18 years of experience in installation and maintenance.