| UK Company Name | Partial Address |
| R.Yates & Sons Limited | MALTON, YORKSHIRE |
| Ryan Air Conditioning Spares Limited | Irlam, Manchester |
| Ryan Capital Partners Limited | CHELMSFORD, ESSEX |
| Ryan Contracting Uk Limited | Southampton, Hampshire |
| Ryan Corporation (Uk) Limited | 2ND FLOOR, LONDON |
| Ryan Golding Limited | MALDON, ESSEX |
| Ryan Hotels (Uk) Limited | 10 EARLSFORT TERRACE, DUBLIN 2 |
| Ryan Insurance Group Limited | DORKING, SURREY |
| Ryan James Property Limited | Ruislip, Middlesex |
| Ryan Ltd | Holyport, Maidenhead |
| Ryan Manufacturing Limited | HEAPHAM ROAD INDUSTRIAL ESTATE, GAINSBOROUGH |
| Ryan Patrick Ltd | LIMAVADY, LONDONDERRY |
| Ryan Property Consultants Ltd | SHEPPERTON, SURREY |
| Ryan Ventilation Services Ltd | Skeoge Industrial Estate, Londonderry |
| Ryan Ward Ltd | ST. ALBANS, HERTFORDSHIRE |
| Ryan'S Cleaning Event Specialists (Uk) Ltd | 167-169 GREAT PORTLAND STREET, LONDON |
| Ryan'S Investments N.I. | BELFAST INTERNATIONAL AIRPORT, BELFAST |
| Ryanair Uk Limited | London Stansted Airport, Stansted |
| Ryansmith Ltd | STEWARDSTOWN, CO. TYRONE |
| Ryanstone Limited | BENTFIELD ROAD, STANSTED |
| Ryb Limited | WOODFORD GREEN, ESSEX |
| Ryburn Pharmacy (Ripponden) Limited | ELLAND, WEST YORKSHIRE |
| Ryco Web Ltd | NEWRY |
| Rycor Partitions Ltd | FEENY, CO. DERRY |
| Rycote Microphone Windshields Limited | EASLEA ROAD, BURY ST. EDMUNDS |
| Rycroft Associates Llp | LICHFIELD, STAFFORDSHIRE |
| Rydal Estates.Limited | London |
| Ryde Court Management Company Limited | EAST COWES, ISLE OF WIGHT |
| Rydell Properties Limited | KINGSTON UPON THAMES, SURREY |
| Ryden Llp | Edinburgh |
| Ryder Limited | MILTON KEYNES, BUCKINGHAMSHIRE |
| Ryder System Holdings (Uk) Limited | MILTON KEYNES, BUCKINGHAMSHIRE |
| Rydon Construction Limited | Forest Row, East Sussex |
| Rye Court Hotel Limited | BEACONSFIELD, BUCKS |
| Rye Food And Drink Limited | RYE, EAST SUSSEX |
| Rye Pala (Uk) Ltd | Christchurch |
| Ryearch Limited | Plymouth, Devon |
| Ryebond Limited | Northwood |
| Ryedale Bars & Leisure Ltd | PICKERING, NORTH YORKSHIRE |
| Ryehill Building Supplies Limited | MAIN ROAD, RYEHILL |
| Rygor Commercials Ltd | WESTBURY, WILTSHIRE |
| Rygor Group Limited | WESTBURY, WILTS |
| Rykneld Metals Limited | Foston, Derby |
| Ryle Limited | HOLYWOOD ROAD, BELFAST |
| Rylos Design Limited | LUDGERSHALL, ANDOVER |
| Ryman Group Limited | Crewe, Cheshire |
| Ryman Limited | CREWE, CHESHIRE |
| Ryness Holdings Limited | NEWBURY, BERKSHIRE |
| Rynloc Ltd | 9 Heath Road, Weybridge |
| Ryobi Aluminium Casting (Uk), Limited | Murray Street, Belfast |
| Rysaffe Nominees | LONDON |
| Ryse Asset Management Llp | LONDON |
| Ryte Group Ltd | TOBERMORE ROAD, MAGHERAFELT |
| Ryte Property Co Ltd | TOBERMORE ROAD, MAGHERAFELT |