Belgium – Accommodation, building and window cleaning services – Meerjarige raamovereenkomst (48 kalendermaanden) tegen prijslijst voor algemene schoonmaak en ramenwas van gebouwen ten behoeve van de leden van Opdrachtencentrale

This is a 48-month framework agreement for general cleaning and window cleaning services for members of Opdrachtencentrale, a Belgian buyer. The tender is divided into 6 lots, covering cleaning services in Belgium (with LOT-0001 specifically for Flanders). The procedure is a competitive negotiation (neg-w-call) with electronic submission in Dutch only. No estimated value is provided. The submission deadline is 2026-06-01 10:00 CET. Award criteria are 60% price and 40% quality. Key procurement documents are available but were not analyzed, reducing confidence.