Fifty-one operators — 14 waste collection firms, nine materials recovery facilities, and seven fuel distributors form the bulk. Telecoms is a two-firm contest between Sure (1896) and JT (2002); Guernsey Electricity, Guernsey Water, and Guernsey Gas (trading since 1823) hold single-provider monopolies. Half cluster in St Sampson and Vale. —
Twenty-nine firms — 14 waste-collection operators, nine materials-recovery, six skip-hire, and a four-firm data-destruction cluster.
Ten suppliers — the oldest, Guernsey Gas, trading since 1823; a liquid-fuels core of seven distributors, plus coal and LPG specialists.
Five providers — Sure (1896) and JT (2002) hold the fixed and mobile market; three newer entrants, one building its own fibre network.
Three firms — one per island: Guernsey Electricity (1907), Sark Electricity (1947), Alderney Renewable Energy (2004).
Three renewable-energy installers — Little Green Energy (2013), Clima Renewables (2024), and Renew, which reports 137 PV installations.
One firm per niche, picked for editorial depth.
ISO 14001 certified waste to resource management group with 200 staff
Fuel distribution operator and heating oil supplier; 23 outlets, 65+ years
Telecommunications and IT solutions provider since 1896; ISO/IEC 27001 certified
Sole commercial electricity supplier; also offers plumbing services
Solar PV installations; 137 systems delivering 787 kW across three islands
self-funding States Trading Asset; municipal, maintenance, emergency services