St Martin·Service·Est. 2016
Guernsey mechanical and electrical contractor offering HVAC, plumbing, fire safety, security, and renewable energy services to commercial clients.
Sixteen of Guernsey's 51 engineering firms cover mechanical work — five fabrication shops, three M&E consultancies, two full M&E contractors, a trade supplier, and five specialists across facilities, utility civils, irrigation, sharpening, and heating. Baudains Trade Supplies holds exclusive Channel Islands distribution for Waterguard leak detection. —
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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.
Vale·Professional Service·Est. 1973
✦Oldest in this niche
G4S Facilities Management delivers cleaning, maintenance, catering, and building services to commercial and public sector clients.
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. 2001
Baudains Trade Supplies (BTS) is a St Sampson trade supplier specialising in pipeline, heating, and mechanical engineering products, and the exclusive Channel Islands distributor for Waterguard leak detection.
Vale·Service
Vale-based M&E contracting company offering electrical, plumbing, heating, and air conditioning services.
Vale·Service
Vale engineering and motorworks workshop offering vehicle repair, welding, and metal fabrication.
St Peter Port·Service
City & Guilds Qualified specialist in metalwork, fabrication, and engineering design, established in 1972 and offering on-site fitting in St Peter Port.
St Pierre du Bois·Health Service·Est. 1993
CNC precision machining company established in 1993, serving the medical, dental, electronic test, and education industries.
St Saviour·Professional Service
Limited company specialising in marine, stainless steel, and aluminium fabrication and welding services for commercial and residential clients in St Saviour.
St Sampson·Service·Est. 1980
GBTEA member specialising in metalwork fabrication, ducting manufacturing, and sheet metal work, established in 1980 in St Sampson.
Vale·Organization
Described as Guernsey's oldest welding and fabrication company, offering structural steel, balustrades, cladding, and fire escapes.
Castel·Service
Limited company specialising in irrigation services and Lowara pump distribution, trading as D. J. Machon Engineering Co. Ltd. in Castel.
Vale·Service
Limited company specialising in earthmoving and plant hire, offering JCB distribution and hydraulic hose manufacture using Gates products.
St Sampson·Organization·Est. 2007
Engineering firm offering bespoke and production projects, including CNC and manual milling, turning, laser cutting, 3D printing, and waterjet cutting through materials up to 8 inches thick.
—·Professional Service
Energy Consultancy Services provides energy performance certificates (EPC), SAP assessments, and mechanical heating and plumbing (MEP) consultancy.
—·Professional Service
Guernsey electro-mechanical engineering consultancy specialising in water, irrigation, and heating systems.
Vale·Service
Garden machinery sales and repair service in Vale, also trading as Saw Point Engineering, and providing saw sharpening services.