| Yogi's Delight Limited | Carlisle | A rating |
| Yogi's Tyres Limited | Keighley | A rating |
| YOGICHEM LTD | WORCESTER PARK | A rating |
| YOGNI LIMITED ( Registered Address ) | Cirencester | A rating |
| YOGSAN LTD | LUTON | A rating |
| Yogscast Limited | Bristol | A rating |
| YOH RETAIL 1 LTD | Rotherham | A rating |
| YOHOLIFE LTD | London | A rating |
| YOHOME S.Q. LTD | London | A rating |
| YOJE LIMITED | Edinburgh, | A rating |
| Yoke Group Holdings Ltd | Brentford | A rating |
| Yoko Property Ltd | Milton Keynes | A rating |
| YOKO SIZZLERS LTD T/A YOKO SIZZLERS | STANMORE | A rating |
| YOKO'S TRADING LIMITED | MANCHESTER | A rating |
| Yokogawa UK Limited | Runcorn | A rating |
| Yolk Catering Limited T/A Grilliant Bites | London | A rating |
| Yolo Group Restaurants Limited | Kingston Upon Thames | A rating |
| Yolo Inc | Richmond | A rating |
| YOLO MOBILE LTD | Feltham | A rating |
| Yolo Technology Limited | London | A rating |
| YOMIK LIMITED | Greenhithe | A rating |
| Yonder Consulting Limited | London | A rating |
| Yonder Financial Technology Limited | London | A rating |
| YONDER TECHNOLOGY LTD | London | A rating |
| Yondr Group Limited | London | A rating |
| Yonex UK Ltd | London | A rating |
| YONK YOUNG LTD | Exeter | A rating |
| YOO KASE LTD | York | A rating |
| YOO WORLDWIDE LLP | London | A rating |
| Yoobic Limited | London | A rating |
| Yoomi Ltd | Thamesmead | A rating |
| YOON GLOBAL LTD | London | A rating |
| Yopa Property Ltd | Hinckley | A rating |
| Yoplait UK Limited | Uxbridge | A rating |
| Yorcard Limited | Sheffield | A rating |
| Yordas Ltd | Lancaster | A rating |
| Yorhealth(Complex Care) Limited | Wolverhampton | A rating |
| YORI F&B Ltd | London | A rating |
| York & Scarborough Teaching Hospitals NHS Foundation Trust | York | A rating |
| York Bioanalytical Solutions Limited | York | A rating |
| York Citizen's Theatre Trust Limited | York | A rating |
| York City Knights Limited | Huntington | A rating |
| York City Knights Ltd | York | A rating |
| York College | York | A rating |
| YORK FOOD STREET LIMITED | Oldham | A rating |
| York House (Meat Products) Ltd | Sandy | A rating |
| York House School | Rickmansworth | A rating |
| York Lagoon Limited | York | A rating |
| York Liberal Jewish Community | York | A rating |
| YORK MARSHALL HOLDINGS LTD | LONDON | A rating |
| YORK MEDICAL GROUP | YORK | A rating |
| YORK REGENCY ASSOCITES LTD | YORK | A rating |
| York Road Pharmacy | Rotherham | A rating |
| York Road Tyres Limited | Leeds | A rating |
| York Roast Co Group LTD | York | A rating |
| York St John University | YORK | A rating |
| York Street Medical Practice Cambridge | Cambridge | A rating |
| York Student Lettings Limited | Walsall | A rating |
| York Surgery | Ilford | A rating |
| York Telecom Limited | Basingstoke | A rating |
| Yorkare Homes (Cottingham) Ltd | Cottingham | A rating |
| Yorkare Homes (Rawcliffe) Ltd | Near Brough | A rating |
| Yorkare Homes Haxby Ltd | Haxby | A rating |
| Yorkers Ltd | London | A rating |
| Yorkshire Ambulance Service NHS Trust | Wakefield | A rating |
| Yorkshire and Humber Healthcare Alliance LLP | Leeds | A rating |
| Yorkshire Building Society | Bradford | A rating |
| Yorkshire Burrito Limited | Brixton | A rating |
| Yorkshire Camps | Skipton | A rating |
| Yorkshire Cancer Research | Harrogate | A rating |
| Yorkshire Canine Academy Ltd | Leeds | A rating |
| Yorkshire Care Services T/A SureCare | Batley | A rating |
| YORKSHIRE COLLEGE LTD | Leeds | A rating |
| Yorkshire Dales Ice Cream | Bolton Abbey | A rating |
| Yorkshire Dales Ice Cream Ltd | Bolton Abbey | A rating |
| YORKSHIRE DALES SPA LIMITED | Dyfed | A rating |
| Yorkshire Dance | Leeds | A rating |
| Yorkshire Education Society T/A Upper Soothill Islamic Centre | Dewsbury | A rating |
| Yorkshire Electrics Ltd | Bradford | A rating |
| Yorkshire Equine Practice | York | A rating |
| YORKSHIRE GLAZING LTD | sheffield | A rating |
| Yorkshire Homecare Ltd | Leeds | A rating |
| Yorkshire Homeware Ltd | Bradford | A rating |
| Yorkshire Housing Ltd | London | A rating |
| Yorkshire Light Commercials Ltd | Batley | A rating |
| Yorkshire Mesmac | Leeds | A rating |
| Yorkshire Shopfronts | Bradford | A rating |
| YORKSHIRE SKIN CENTRE LTD | Leeds | A rating |
| Yorkshire Street Surgery | Rochdale | A rating |
| Yorkshire Trade KItchens Rotherham Ltd | South Yorkshire | A rating |
| Yorkshire Wildlife Trust | York | A rating |
| Yorktest Laboratories Limited | York | A rating |
| Yorton Farm Stud | Welshpool | A rating |
| Yoshe Clinical Operations Limited | Slough | A rating |
| YOSHIGA TECHNOLOGIES LIMITED | St Albans | A rating |
| Yoshino & Co., UK Ltd. | London | A rating |
| Yositex Co., Ltd | London | A rating |
| YospaceTechnologies Ltd | Staines upon Thames | A rating |
| Yotel Limited | London | A rating |
| Yoti Ltd | London | A rating |
| Yoto Limited | London | A rating |
| Yotpo UK Ltd | London | A rating |
| Yotta Media Labs Limited | Pinner | A rating |
| Yotta Volt UK LTD | Reading | A rating |
| YOTU ARCHITECTURAL DESIGN STUDIO LTD | Hove | A rating |
| YOU & I CARE LTD | Brentwood | A rating |
| You & Me Supported Living Limited | Over Norton | A rating |
| You Are Here Productions Ltd | London | A rating |
| You Are My Sunshine Services Ltd | Hendy | A rating |
| YOU BEFORE ME CARE | LONDON | A rating |
| YOU BUY WE SHIP LTD | MANCESTER | A rating |
| You First Support Services | Langport | A rating |
| YOU FIX LIMITED | London | A rating |
| You Tea Ltd | London | A rating |
| You Want Beef (Luton) Ltd | Luton | A rating |
| You Want Beef Acocks Green Limited | Birmingham | A rating |
| YOU WANT BEEF LTD | London | A rating |
| You. Smart. Thing. Limited | Coventry | A rating |
| YOUBIZ SOLUTIONS LIMITED | London | A rating |
| YouFibre Limited | London | A rating |
| YouGov Plc | London | A rating |
| Youkings Limited T/A Pinehurst Supermarket | Hertford,Hertfordshire | A rating |
| YOUMNA AZKOUL MAISON LTD | London | A rating |
| YOUN HWA SA | KINGSTON UPON THAMES | A rating |
| YOUNAS & CO (WM) LTD | BIRMINGHAM | A rating |
| Young and Norgate Ltd | Bristol | A rating |
| Young Classical Artists Trust | London | A rating |
| Young Components (UK) Limited | Wollaston | A rating |
| Young Enterprise | London | A rating |
| Young Films Ltd | Isle of Skye | A rating |
| Young Foodies | London | A rating |
| Young Futures Social Care Ltd | London | A rating |
| Young Giants Limited | Gerrards Cross | A rating |
| YOUNG HEARTS HOMECARE LTD | London | A rating |
| Young Life International | Hoddesdon | A rating |
| Young Living Europe Ltd | LONDON | A rating |
| YOUNG LONDON TODAY | LONDON | A rating |
| Young Minds Trust | London | A rating |
| Young Options Group | London | A rating |
| Young People's Empowerment Project | Pontefract | A rating |
| Young Persons Advisory Service | Liverpool | A rating |
| Young Roots Care Services Ltd | Walthamstow | A rating |
| Young Scot Enterprise | Edinburgh | A rating |
| YOUNG SUN OVERSEAS EXCHANGE CONSULTING SERVICE LTD | London | A rating |
| Young Veterinary Partnership | Ealing | A rating |
| Young Vic Theatre | London | A rating |
| YOUNG WAY LIMITED | DARTFORD | A rating |
| Youngcapital Solutions UK LTD | London | A rating |
| YOUNGMANS HEADINGTON LTD | HEADINGTON | A rating |
| YoungMINDED Clinical Solutions Ltd | Woking | A rating |
| YOUNIQUE CARE LTD | London | A rating |
| YOUR ACCOMMODATION LTD T/A NUMBER 11 BY THE WARREN COLLECTION | BELFAST | A rating |
| Your Baby Scan Ltd | Widnes | A rating |
| Your Business Partner London Ltd | London | A rating |
| Your Care (UK) Limited | Bolton | A rating |
| YOUR CARE NURSING LTD | Enfield | A rating |
| YOUR CARE PROVIDER LTD | BARNSLEY | A rating |
| Your Care Services Brain Injury | BIRMINGHAM | A rating |
| your care team ltd | Dewsbury | A rating |
| Your Career Ltd | Birmingham | A rating |
| Your Chapter Limited | Cheadle | A rating |
| YOUR CHOICE (BARNET) LTD | London | A rating |
| YOUR CHOICE CONVENIENCE STORE | Bury | A rating |
| YOUR CHOICE DEVON LTD | NEWTON ABBOT | A rating |
| Your Consulting Limited | London | A rating |
| YOUR CONVENIENCE STORE LTD T/A SPAR | Swansea | A rating |
| Your Daily Needs Limited | Barking, Essex | A rating |
| YOUR DIGITAL WORK LTD | LONDON | A rating |
| Your dream car ltd | Buckinghamshire | A rating |
| YOUR FAV NANNY LTD | MILTON KEYNES | A rating |
| YOUR FAVOURITES LTD | Northampton | A rating |
| Your Finance Back Office Limited | London | A rating |
| Your Fitness (Dewsbury) LTD | Dewsbury | A rating |
| Your Health Limited | Swadlincote | A rating |
| Your Healthcare CIC | Surbiton | A rating |
| Your Hippo LTD | Preston | A rating |
| Your Housing Group Limited | Warrington | A rating |
| YOUR IDEAL LTD | Ilford | A rating |
| YOUR LOCAL BUTCHERS LTD | Stourbridge | A rating |
| Your Local Food & Wine Ltd | Crook | A rating |
| YOUR LOCAL ONE LTD | BRISTOL | A rating |
| Your Local Premier | Bath | A rating |
| Your MD | London | A rating |
| YOUR NEW HOME-MANCHESTER LTD | Manchester, | A rating |
| Your NRG Ltd | Hartlepool | A rating |
| Your Office Home Office Ltd | Farnborough | A rating |
| Your Own Builder Limited | Hayes | A rating |
| Your Own Home Care Limited | Tring | A rating |
| YOUR OWN MARKET (YOM) LIMITED | Didcot | A rating |
| Your Parking Space Ltd | Stratford | A rating |
| Your Patient Choice Limited T/A Paloma Health | London | A rating |
| YOUR PERFECT MATE LTD | BLACKBURN | A rating |
| Your Personal VC Limited | London | A rating |
| Your Phase Ltd | London | A rating |
| Your Phone Care Ltd T/As iTech | Didcot | A rating |
| YOUR PLAICE FISH BAR LTD. | Derby | A rating |
| Your Priority Healthcare | Norwich | A rating |
| Your Priority Healthcare Ltd | Norwich | A rating |
| Your Recovery Automotive Ltd | Portsmouth | A rating |
| Your Rights Ltd T/a Sarker Solicitors | London | A rating |