AHDB HQ Office and window cleaning requirements

To procure a single provider for our office and window cleaning requirements, on a daily basis Monday - Friday, 52 weeks a year excluding public holidays. Core requirements are daily, with ad-hoc activities on a weekly/monthly basis.  The successful supplier shall be responsible for the efficient performance of the contract and for the good conduct of their employees whenever they carry out cleaning works within the building.  The supplier shall maintain a sufficient number of cleaners' at all specific times...