Window cleaning for Schwelm City Administration, 2026–2028, in six lots

Summary

The tender covers window cleaning at the administrative buildings of the City of Schwelm from 16 November 2026 to 31 December 2028. The contract is divided into six lots, and price is the only award criterion. To participate, the bidder must have business liability insurance, at least two glass-cleaning references from the last three years for properties with a minimum window area of 800 square metres, and registration in the commercial register. The bid must be submitted by 7 October 2026.