Y
- Y B Lease Ltd., LEEDS, United Kingdom
- Y H A Adventure Shops Plc, STAINES, United Kingdom
- Y H A England & Wales Ltd., ST ALBANS, United Kingdom
- Y J L Construction Ltd., LONDON, United Kingdom
- Y M C A Lakeside Trading Ltd., ULVERSTON, United Kingdom
- Y P Furniture Ltd., GAINSBOROUGH, United Kingdom
- Y T C Ltd., DRIFFIELD, United Kingdom
- Yacht Havens Ltd., LYMINGTON, United Kingdom
- Yakult UK Ltd., LONDON, United Kingdom
- Yale Locks Ltd., WILLENHALL, United Kingdom
- Yale Press Ltd., LONDON, United Kingdom
- Yamaha Motor UK Ltd., WEYBRIDGE, United Kingdom
- Yamanouchi Pharma Ltd., WEYBRIDGE, United Kingdom
- Yamanouchi UK Ltd., WEST BYFLEET, United Kingdom
- Yamato Transport UK Ltd., SLOUGH, United Kingdom
- Yamazaki Machinery UK Ltd., WORCESTER, United Kingdom
- Yang Sing Ltd., MANCHESTER, United Kingdom
- Yang Sing Restaurant Ltd., MANCHESTER, United Kingdom
- Yansport Holdings Ltd., WALSALL, United Kingdom
- Yarborough School, LINCOLN, United Kingdom
