Four firms, one per parish — St Peter Port, St Martin, Vale, St Sampson. Henderson Green (1979) is the Channel Islands branch of a Jersey M&E consultancy; Lightning Enterprises (1980) holds the island's lightning and surge-protection niche; C8 Mechanical & Electrical (2016) is the newest, NICEIC Approved with a 22-strong team. —
Vale·Est. 1980
Electrical engineering service specialising in lightning protection, surge protection, and earthing, with over 30 years' experience and ISO 9001:2015 certification.
St Peter Port·Professional services
Part of Henderson Green Partnership
Chartered consulting engineering practice specialising in mechanical and electrical (M&E) services for the construction industry, with a Guernsey branch opened in 2012.
St Martin·Est. 2016
Mechanical and electrical contractor providing HVAC, plumbing, electrical, and security systems for commercial, retail, and industrial clients.
St Sampson
Electrical engineering company specialising in renewables, electrical installation, and mains panel board design and build up to 2000A, serving the Channel Islands from St Sampson.