Eight of 51 engineering firms cover electrical work. Two are full M&E consultancies, two are NICEIC installer contractors, three are specialty contractors, one is a wholesaler. The standout: Alderney Renewable Energy co-develops the France-Alderney-Britain subsea interconnector with Transmission Investment and RTE France. —
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Vale·Service·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 Martin·Service·Est. 2016
Guernsey mechanical and electrical contractor offering HVAC, plumbing, fire safety, security, and renewable energy services to commercial clients.
St Peter Port·Professional Service·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.
St Pierre du Bois·Professional Service
Small electrical contracting firm offering domestic, commercial, and industrial installation and maintenance services.
Alderney·Organization·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 Peter Port·Organization
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·Service·Est. 1951
Part of City Electrical Factors Limited (UK company number 336408)
✦Only one here offering plumbers' & electrical merchants
Trade electrical wholesaler in St Sampson, supplying cables, EV chargers, solar products, and power tools to professional contractors.
St Sampson·Service·Est. 2017
Limited company established in 2017, specialising in electrical engineering and installation for both commercial and residential clients across Guernsey.