Fifty-one firms — window cleaning the largest specialism (21), with 16 in commercial work, 14 pressure-washers, 11 gutter specialists and 8 carpet cleaners. Eighteen are limited companies, six sole traders; 17 based in St Peter Port, eight in Vale. The oldest, Q3 Services, has traded since 1982; the newest launched in 2025. —
Seventeen window cleaners across the island — fourteen pure window specialists, with pressure-washing and gutter-vac clusters alongside.
Fifteen firms on commercial contracts — the oldest G4S (1973), the newest Armana (2022), seven based in St Peter Port.
Twelve domestic cleaners on the island — half also take commercial contracts, four handle carpets, three run end-of-tenancy work.
Eleven firms — most bundling pressure washing with window and gutter work, with one specialist cleaning boat hulls at four marinas.
Six firms — two dedicated specialists (Ovenu Guernsey and Oven King), four cleaners who add ovens to broader rounds.
Five firms clean carpets and upholstery on the island — the oldest incorporated 2014, and only one is NCCA-certified.
Five cleaners handling rental changeovers — three limited companies, the oldest trading since 2004, the newest since 2019.
Four listings resolve to three firms — gutter clearing sits as a side service of window cleaners, with one specialist gutter brand.
One firm per niche, picked for editorial depth.
Window cleaning; also exterior cleaning for homes and businesses for 20+ years
Commercial cleaning and facilities management; BICSc and SafeContractor approved
Eco-friendly cleaning for homes and businesses; 15 staff, 200 customers
Window cleaning and commercial contract cleaning; established 2018
Kitchen extract cleaning to TR19 Grease; chemical-free weed management
Carpet, upholstery, rug, tile, hard floor cleaning; NCCA certified
Domestic and commercial cleaning; laundry, ironing, window cleaning
Window cleaning, pressure washing; also fascia, soffit, gutter cleaning
Tagged in Cleaning Services but not in one of the specific niches above.