| Computer Assistance Oxford | |
| Computer Automation Technology Ltd | |
| Computer Bargains Ltd | Greater Manchester |
| Computer Being Ltd | |
| Computer Care Services | Berkshire |
| Computer Care UK | |
| Computer Clinik Ltd | Lincolnshire |
| Computer Communications Ltd | Hampshire |
| Computer Components Ltd | Devon |
| Computer Connect Ltd | Hertfordshire |
| Computer Design Ltd | Greater London |
| Computer Disposals Ltd | Cheshire |
| Computer Doctors Ltd | |
| Computer Forensics Lab | |
| Computer forensics online Ltd | Suffolk |
| Computer FX Ltd | North Yorkshire |
| Computer Geeks Ltd | Bristol |
| Computer King | |
| Computer Links Ltd | West Lothian |
| Computer Literate | Nottinghamshire |
| Computer Marvels | Greater London |
| Computer Network Cabling Ltd | Devon |
| Computer Network Defence Ltd | Somerset |
| Computer Orbit | Tyne and Wear |
| Computer Place | Greater London |
| Computer Planet Ltd | Cheshire |
| Computer Rehab | Hertfordshire |
| Computer Repair Ltd | |
| Computer Repair Norwich | |
| Computer Repair Shop | |
| Computer Repairs UK | Kent |
| Computer Response Ltd | |
| Computer Service Centre Ltd | Norfolk |
| Computer Services & Engineers Ltd | Greater Manchester |
| Computer Services Kent | Kent |
| Computer Solution (UK) Ltd | Surrey |
| Computer Solutions (Worcester) Ltd | |
| Computer Solutions Edinburgh | |
| Computer Support (Nottingham) Ltd | Nottinghamshire |
| Computer Systems UK Ltd | Hertfordshire |
| Computer Technology Services (Durham) Ltd | County Durham |
| Computer Technology Services Ltd | Isle of Man |
| Computer Technology Unlimited | Surrey |
| Computer Troubleshooters UK | Lancashire |
| Computer Wearehouse IW | |
| Computer World | Essex |
| Computeraid Ltd | Swansea |
| Computerbase Company | Devon |
| Computercaresouth | Berkshire |
| ComputerDen | |