WSRL head office cleaning maintenance and window cleaning services contract

Summary

The tender concerns cleaning maintenance and window cleaning services for the WSRL head office. The contracting authority wants one professional service provider to deliver consistent, high-quality, flexible and sustainable cleaning services that support a clean and safe working environment. The contract is planned for 4 years from 1 December 2026, with up to two extensions of 24 months each. E-invoicing is required.