| UK Company Name | Partial Address |
| X Channel Marketing Limited | LEEDS, WEST YORKSHIRE |
| X-Cell Telecom Limited | CHELTENHAM, GLOUCESTERSHIRE |
| X.Communications Limited | CORNHILL, LONDON |
| Xc Resourcing Ltd | FLEET |
| Xcat Omagh Ltd | OMAGH, CO. TYRONE |
| Xcat The Clearance Company Ltd | OMAGH |
| Xcel Consultants Ltd | SLOUGH |
| Xcel Financial Ltd | LONDONDERRY |
| Xcel Logistics Ltd | BASILDON |
| Xcellent Consultants Ltd. | MANCHESTER |
| Xcellent Engagement Ltd | BILLINGHAM |
| Xceptor Ltd | LACKINGTON STREET, LONDON |
| Xcerge Ltd | LONDON |
| Xch Logistics Ltd | SHELDON, BIRMINGHAM |
| Xchanging B.V. | FARNBOROUGH, HAMPSHIRE |
| Xciii Trading Company Ltd | DINGWALL |
| Xclusive Bikes Ltd | NORTHWICH |
| Xclusive Business Solutions Limited | BASINGSTOKE, HAMPSHIRE |
| Xclusive Designs Limited | HARLOW, ESSEX |
| Xclusive Fireplaces Kitchens Limited | SHEFFIELD |
| Xclusive Interiors Ltd | BURY |
| Xclusive Weddings Limited | WARREN ROAD, KINGSTON UPON THAMES |
| Xcn Data Engineering Design Ltd | LONDONDERRY, COUNTY LONDONDERRY |
| Xconnect Derivatives Llp | 7 - 11 MOORGATE, LONDON |
| Xconnect Market Maker Llp | 7 - 11 MOORGATE, LONDON |
| Xcs (Uk) Limited | SANDLE HEATH IND ESTATE, BRICKYARD RD FORDINGBRIDGE |