| UK Company Name | Partial Address |
| U-Pol Limited | Wellingborough, Northamptonshire |
| U.P.V.C.Windows@Doors-2-Go Limited | SOLIHULL, WEST MIDLANDS |
| Up And Under (Specialist Contracts) Limited | Helsby, Cheshire |
| Up Country Autoproducts (U.K.) Limited | HALESWORTH, SUFFOLK |
| Up2scratch Laser Clinic Ltd | GRAVESEND, KENT |
| Upasyule Limited | London |
| Updata Limited | LONDON |
| Upex Limited | PICKERING, NORTH YORKSHIRE |
| Upfront Publishing Limited | PETERBOROUGH, CAMBRIDGESHIRE |
| Upham Group Limited | ASCOT, BERKSHIRE |
| Upl Global Limited | Salford, Greater Manchester |
| Upline Technology Limited | SUDBURY, SUFFOLK |
| Upm Conveyors Limited | Uxbridge, Middlesex |
| Upm-Kymmene (Uk) Holdings Limited | Cheadle Royal Business Park, Manchester |
| Upm-Kymmene (Uk) Limited | Irvine, Ayrshire |
| Upn (Safeguard) Limited | Vantage Business Park, Leicester |
| Uponor Limited | CROXLEY BUSINESS PARK, WATFORD |
| Upp (Byron House) Limited | ARTHUR STREET, LONDON |
| Upp (Clifton) Limited | Arthur Street, London |
| Upp (Loughborough Student Accommodation) Limited | ARTHUR STREET, LONDON |
| Upp Limited | 12 Arthur Street, London |
| Upp Technologies Group Ltd | LONDON |
| Upper Andersonstown Community Forum Ltd | Belfast |
| Upper Baveney Holdings Limited | ST PAULS SQUARE, BIRMINGHAM |
| Upper Canada Uk Limited | WESTON STREET, LONDON |
| Upper Properties Limited | LONDON |
| Upper Springfield Development Trust Ltd | BELFAST |
| Upper Street Events Ltd | HAMMERSMITH, LONDON |
| Upright Installation Services Limited | Bovingdon, Hertfordshire |
| Uprooted Ltd | 98-102 DONEGALL STREET, BELFAST |
| Ups (Uk Holding) Limited | STAINES-UPON-THAMES, MIDDLESEX |
| Ups Air Couriers Of America Limited | STAINES-UPON-THAMES, MIDDLESEX |
| Ups Limited | Staines-Upon-Thames, Middlesex |
| Ups Scs (Uk) Limited | Staines-Upon-Thames, Middlesex |
| Upsilon Bidco Limited | QUEENS DRIVE INDUSTRIAL ESTATE, NOTTINGHAM |
| Upsilon Midco Limited | QUEENS DRIVE INDUSTRIAL ESTATE, NOTTINGHAM |
| Upsilon Topco Limited | QUEENS DRIVE INDUSTRIAL ESTATE, NOTTINGHAM |
| Upstairs And Downstairs Limited | RIPON, NORTH YORKSHIRE |
| Upstairs Downstairs Furniture Limited | ENNISKILLEN, CO. FERMANAGH |
| Upstream Limited | 28 Arcadia Avenue, London |
| Upstream Trade Finance Limited | 40 LINENHALL STREET, BELFAST |
| Upstream Working Capital Ltd | 40 LINENHALL STREET, BELFAST |
| Uptake Strategies Limited | ASCOT, BERKSHIRE |
| Upton Farm Frozen Foods Limited | WARRIOR WAY, PEMBROKE DOCK |
| Upton Quality Inns Limited | CLIFTON, BRISTOL |
| Upton Wood Flooring Limited | PEPPARD COMMON, HENLEY-ON-THAMES |
| Uptown Events Limited | 5 Elstree Way, Borehamwood |
| Uptown Property Developments Ltd | Loughborough |
| Upu Industries Limited | BANBRIDGE ROAD, DROMORE |
| Upvolt Sussex Ltd | DIPLOCKS WAY, HAILSHAM |