| C & W Commercials Ltd - Sale of motor vehicles |
| C A T Windows & Doors - Painting and glazing |
| C Ralph & Sons - Other supporting land transport activities |
| Cameo - Hairdressing and other beauty treatment |
| Camping N Stuff - Other retail sale in specialised stores |
| Carter's - Retail sale of books, newspapers and stationary |
| CDD Transport - Other supporting land transport activities |
| Centurion - Other manufacturing not elsewhere classified |
| Charnat Care - Social work activities without accommodation |
| Cheltenham & Gloucester PLC - Bank |
| Cheque Cashing (Blackheath) - Central banking |
| Chloroxy-Tech Ltd - Collection, purification and distribution of water |
| Choices Video - Motion picture and video distribution |
| Christian Salvesen - Other supporting land transport activities |
| Clifton Precision Tools Ltd - Manufacture of machine tools |
| Cosmopolitan - Hairdressing and other beauty treatment |
| CSB Lifting & Marine Products - Other supporting water transport activities |
| Cypress Nursery - Other retail sale in specialised stores |
| Cookes Book Keeping Services - Accounting Auditing And Bookkeeping |
| Christian Salvesen - Road Haulage Services |
| Cameo Hair & Beauty - Unisex Hair Salon |
| Charlton Whitehouse Fuels Ltd - Coal Merchants |
| Citadel Engineering Supplies Ltd - Wholesalers Of Bearings |
| C & W Commercials Ltd - Retailers Of Used Vehicles |
| Cypress Nursery - Retailers Of Nursery Stock Seeds And Bulbs |
| Cambrian Fuel Card Services - Petrol Service Station |
| Clifford Brown - Optician |
| Colas Ltd. - Road Maintenance Contractors |
| Consolidated Stainless Recycling Ltd - Scrap Metal Merchants |
| C S B Lifting & Marine Products - Wholesalers Of Pulleys |
| C Ralph & Sons - Haulage Contractors |
| CJ's Free Scrap Metal Collections - Scrap Metal Dealer |