| Customer A - F | Industries | |
| Abbey National Bank | Finance and Insurance Services | |
| BMW England | Manufacturer | |
| Brabners Solicitors | Corporate and commercial law | |
| Bundesamt für Verteidigung, Bevölkerung und Sport (VBS) | Military and Police Forces | |
| Britannia Building Society | Finance and Insurance Services | |
| British Airways | Air and Rail | |
| BT Syntegra | Consulting | |
| Cap Gemini Ernst & Young | Consulting | |
| Child Support Agency | Health and Public Services | |
| CREDIT SUISSE | Finance and Insurance Services | |
| Critical Path | Software | |
| CSC Computer Science Ltd | Consulting | |
| Department for Work and Pension | Health and Public Services | |
| Department of Health | Health and Public Services | |
| Deutsche Bank | Finance and Insurance Services | |
| DHL / Deutsche Post | Transportation and Logistics | |
| HP | Consulting | |
| Ericsson | Telecommunication | |
| EADS | Transportation and Logistics |
| Customer G - L | Industries | |
| Highway Agency | Health and Public Services | |
| HM Customs and Excise | Health and Public Services | |
| Humberside Police | Military and Police Forces | |
| KPMG | Consulting | |
| Lease Plan England | Finance and Insurance Services | |
| Lloyds of London | Finance and Insurance Services |
| Customer M - R | Industries | |
| Metropolitan Police | Military and Police Forces | |
| MyTravel (vormals Airtours) | Transportation and Logistics | |
| NHS | Health and Public Services | |
| Office for National Statistik | Health and Public Services | |
| Panalpina | Transportation and Logistics | |
| Pfizer | Pharmaceuticals | |
| Police Information Technology Organisation | Military and Police Forces | |
| Royal Bank of Scotland | Finance and Insurance Services |
| Customer S - Z |
Industries | |
| Schweizerische Bundesbahnen (SBB) | Air and Rail | |
| Spitalverbund Paris | Health and Public Services | |
| Swisscom | Telecommunication | |
| Telekurs Group | Finance and Insurance Services | |
| T-Systems | Telecommunication | |
| UBS | Finance and Insurance Service |
