| Wycliffe College (Incorporated) | Stonehouse | A rating |
| Wycliffe Surgery | Plymouth | A rating |
| Wycliffe UK Ltd | Oxford | A rating |
| Wycombe Fast Food Limited | High Wycombe | A rating |
| Wycombe Green Limited | Dunstable | A rating |
| Wycombe High School | High Wycombe | A rating |
| Wycombe Tamil Community Association | High Wycombe | A rating |
| WYCOMBE TRADERS LIMITED | HIGH WYCOMBE | A rating |
| Wycombe Wanderers Football Club | High Wycombe | A rating |
| Wye Surgery | Ashford | A rating |
| Wye Tech Ltd | Port Talbot | A rating |
| Wye Valley Care Ltd | Hereford HR2 6GG | A rating |
| Wye Valley NHS Trust | Hereford | A rating |
| WYGGESTONS & TRINITY ALMSHOUSES CHARITY | Leicester | A rating |
| Wyke Farms Ltd | Bruton | A rating |
| Wyke Sixth Form College | Hull | A rating |
| Wykes Engineering Co (Rushden) Ltd | Wymington | A rating |
| WYL Enterprises Ltd | Sudbury | A rating |
| Wyld Networks Limited | Cambridge | A rating |
| WYMARS UK LTD | Nottingham | A rating |
| Wymeswold Pharmacy Limited | Wymeswold | A rating |
| Wymondham CP LIMITED T/A Caprinos Pizza | Wymondham | A rating |
| Wymondham Medical Partnership | Wymondham | A rating |
| Wyncourt Nursing Home | Timperley | A rating |
| Wyncourt Nursing Home LTD | Altrincham | A rating |
| Wyncroft Care Ltd t/as Wyncroft House | Kingswinford | A rating |
| Wynden Stark Limited | London | A rating |
| Wyndham Hotel Group Europe Limited | London | A rating |
| Wyndham House Care | Kings Lynn | A rating |
| WYNGZ E14 LTD | London | A rating |
| Wynken Ltd | London | A rating |
| wynne-williams Associates Ltd | Feering | A rating |
| Wynniatt-Husey Ltd | Rugeley | A rating |
| Wynrose ltd | Belfast | A rating |
| Wyoming Interactive Ltd | Edinburgh | A rating |
| Wyra Limited | Hayes | A rating |
| Wyre Forest Health Partnership | Bewdley | A rating |
| Wyre Solutions Limited | Stourport On Severn | A rating |
| WYRLEY FISH BAR LIMITED | Walsall | A rating |
| Wyse Care Ltd | Liverpool | A rating |
| Wyse Food Ltd | Liverpool | A rating |
| WYSING ARTS CHARITY | CAMBRIDGE | A rating |
| Wyson Limited | Sutton Coldfield, | A rating |
| Wythall Residential Home | Wythall | A rating |
| Wyvern College | BOTLEY | A rating |
| Wyvern Partners Group Limited | London | A rating |
| WYVERN PHARMA LTD | Accrington | A rating |
| Wyvil Primary School | London | A rating |
| WYVIS HOUSE CARE HOME | DINGWALL | A rating |
| Wyzee ltd | Chatham | A rating |
| WZ Global Ltd | London | A rating |
| WZ Packaging Limited | Telford | A rating |
| WZK Limited t/as Patel's food & chaat - Harrow | Harrow | A rating |
| WZW LIMITED | Croydon | A rating |