Premiserv - Cleaning Services & Support Services. We provide a wide range of soft facilities services. We offer Office Cleani ... ng, School Cleaning, Caretaking Services, Retail Cleaning, Factory Cleaning, Production Facility Cleaning, Manufacturing Cleaning Services, Warehouse Cleaning, Janitorial Services, Site Welfare Facility Cleaning and Window Cleaning Services. If you would like further information our sales team will be happy to help. Call 0800 148 8005. read more