Cleaning services

Summary

The tender concerns cleaning services at the University of Siegen campus on Adolf-Reichwein-Straße. It is divided into Lot 2A for routine building cleaning and Lot 2B for glass and frame cleaning. The tender must be submitted electronically in German by 6 October 2026 at 11:00. Bidders must meet extensive qualification and compliance requirements, including net annual turnover of at least EUR 1,000,000 from comparable cleaning services in each of the last three financial years, at least three qualifying references completed in 2023–2025, specified insurance coverage, professional registration, a site manager and deputy with at least five years of relevant experience, and ISO 9001:2015 and ISO 14001:2015 or equivalent certifications. The offer must include the price sheets, required evidence and an implementation concept. For Lot 2A, the specified service-value ranges must be respected. For Lot 2B, glass and frame cleaning is performed annually in May or June and must be fully completed within one month.