| | 21st Century Cleaning Services |  | 6 Peveril Road, Northampton, Northamptonshire, NN5 6JW  |
| | Crown Cleaning Services | | 4 Cottagewell Court, Northampton, Northamptonshire, NN3 9UA |
| | Dustbusters | | 509 Kettering Road, Northampton, Northamptonshire, NN3 6QW |
| | Genesis Cleaning Services | | 66a Palmerston Road, Northampton, Northamptonshire, NN1 5EX |
| | Frederick Colin Howlett-Butler | | 17 Kenilworth Close, Northampton, Northamptonshire, NN5 6LD |
| | Reliable Cleaning Services | | 2 Poppy Leys, Brixworth, Northampton, Northamptonshire, NN6 9UL |
| | Greentech Uk | | 31a Edinburgh Road, Northampton, Northamptonshire, NN2 6PH |
| | B C S Services | | 5 Tall Trees Close, Northampton, Northamptonshire, NN4 9XZ |
| | Greenserve Cleaning Services (Northampton) Ltd | | Unit G3, Freehold Street, Northampton, Northamptonshire, NN2 6EW |
| | Advance Cleaning Services | | 26 North Western Avenue, Northampton, Northamptonshire, NN2 8HJ |
| | Helios Cleaning | | 93 Oleander Crescent, Northampton, Northamptonshire, NN3 8QP |
| | Northampton Executive Centre Ltd | | Beckett House, 14 Woodstock, Billing Road, Northampton, Northamptonshire, NN1 5DT |
| | Paul Rolely | | 50 Tintern Avenue, Northampton, Northamptonshire, NN5 7BZ |
| | Hytech Cleaning | | 4 Clayfield Close, Moulton Park Industrial Estate, Northampton, Northamptonshire, NN3 6QF |
| | Holmes & Lloyd Cleaning Services | | 42 Entwood Drive, Northampton, Northamptonshire, NN3 8SH |
| | Advanced Cleaning Services | | 58 Burrows Court, Northampton, Northamptonshire, NN3 8JN |
| | Starlight Cleaning Services | | 17 Nether Jackson Court, Northampton, Northamptonshire, NN3 8QF |
| | Brightwise Limited | | 25 Eastfield Road, Delapre, Northampton, Northamptonshire, NN4 8PE |
