| Welhunt (UK) Limited | London | A rating |
| WELKIN VISION LTD | London | A rating |
| WELL BITE LTD | London | A rating |
| Well Co Engineering Automation UK Ltd | Birmingham | A rating |
| Well Drawn Brewing Company Limited | Bedwas | A rating |
| Well Dunn Limited | Manchester | A rating |
| Well Kneaded | London | A rating |
| WELL NATURAL LIMITED | SALISBURY | A rating |
| Well Played Games Ltd | Leamington Spa | A rating |
| Well Wish Ltd T/A Wagonway Road Convenience Store | Alnwick | A rating |
| Well-being on Primrose Hill Ltd | London | A rating |
| Well-Safe Solutions Ltd | Aberdeen | A rating |
| WELL'COM RAIL UK LTD | London | A rating |
| Wella UK Limited | London | A rating |
| Welland Partners LLP | Stamford | A rating |
| Wellbeing (United Kingdom) Limited | Sharnbrook | A rating |
| WELLBEING B2B LIMITED | London | A rating |
| Wellbeing Care Ltd | London | A rating |
| Wellbeing Care Solutions LTD | Walsall | A rating |
| Wellbeing Enterprises CIC | Runcorn | A rating |
| Wellbeing Living Limited | Enfield | A rating |
| Wellbeing of Women | London | A rating |
| Wellbeing Residential Ltd | Sutton Coldfield | A rating |
| WellbeingX Ltd | London | A rating |
| WELLBORN CREATIVE LIMITED | London | A rating |
| Wellbrook Ventures Limited | Bolton | A rating |
| Wellburn Care Homes Ltd | Newcastle upon Tyne | A rating |
| WELLCARE (HARROW WEALD) LIMITED | HARROW WEALD | A rating |
| Wellcare (Stoke Newington) Limited | London | A rating |
| WELLCARE FOSTERING SERVICES LTD | Ilford | A rating |
| Wellcare Group Limited | Harrow | A rating |
| Wellcare Partnership Limited | Alfreton | A rating |
| WELLCARE PHARMA LTD | London | A rating |
| Wellchime Ltd T/A April Court Care Home | Swansea | A rating |
| Wellcom London Limited | London | A rating |
| WELLCOME CARE HOMES LTD | Llandysul | A rating |
| Wellden Turnbull Limited | Esher | A rating |
| Wellers | Oxford | A rating |
| Wellers Impact Limited | London | B rating |
| Wellers Limited | Oxford | A rating |
| Wellers Retail Limited | Dorking | A rating |
| WELLESLEY HOUSE NURSING HOME LIMITED | Wolverhampton | A rating |
| WELLFEDNAZ LIMITED | LONDON | A rating |
| WellFish Tech Ltd | Paisley | A rating |
| WellGear Ltd | Drumoak | A rating |
| Wellglade Limited | Heanor | A rating |
| Wellhot Ltd | Portsmouth | A rating |
| WELLIAM TRADE LTD | London | A rating |
| Welligence Ltd | Edinburgh | A rating |
| Welligogs Limited | Walsall | A rating |
| Welling Chicks LTD | Welling | A rating |
| Welling Evangelical Free Church CIO | Welling | A rating |
| Welling Medical Practice | Welling | A rating |
| Welling School | Welling | A rating |
| WELLING YO SUSHI LTD T/A YO SUSHI | Welling | A rating |
| Wellingborough District Hindu Association | Wellingborough | A rating |
| Wellingborough School | Wellingborough | A rating |
| Wellingborough Town Cricket Club | Wellingborough | A rating |
| Wellington and Longforth House | Wellington | A rating |
| WELLINGTON CARE LIMITED | Hull | A rating |
| WELLINGTON CARS OF WOKINGHAM LIMITED | Wokingham | A rating |
| Wellington College | Crowthorne | A rating |
| Wellington Computer Systems Ltd | Belfast | A rating |
| Wellington Cricket Club | Telford | A rating |
| Wellington Cricket Club | Wellington | A rating |
| Wellington Dental Practice | Wellington | A rating |
| Wellington Engineering Co Ltd | Hayes | A rating |
| Wellington Farm Shop Limited | Stratfield Saye | A rating |
| Wellington Healthcare (Arden) Ltd | Southport | A rating |
| Wellington Healthcare Limited | Manchester | A rating |
| wellington house nursing home ltd | bradford | A rating |
| Wellington House Surgery | Batley | A rating |
| Wellington Management International Limited | London | A rating |
| Wellington Medical Centre | Wellington | A rating |
| Wellington Pizza Limited T/A Caprinos Pizza | Telford | A rating |
| Wellington School | Altrincham | A rating |
| Wellington Tube Supplies Limited | HAYES | A rating |
| Wellington Vale | Waterlooville | A rating |
| Wellington WM Ltd t\a Calthorpe Arms | Birmingham | A rating |
| Wellman Clean & Amy Cleaning | Watford | A rating |
| Wellmist UK Ltd | Bradford | A rating |
| Wellmun Care Ltd | Halesowen | A rating |
| Wellness Minerals Ltd | Wembley | A rating |
| WELLNESS PLANET LTD | London | A rating |
| Wellness Social Care Services Limited | Dunfermline | A rating |
| WELLNESSJOURNEY SERVICES LTD | BRIGHTON | A rating |
| Wellperson Ltd t/a Botolph Bridge Pharmacy | Peterborough | A rating |
| Wells Cathedral School | Wells | A rating |
| Wells City Practice | Wells | A rating |
| Wells Fargo Bank N.A. | London | A rating |
| Wells Fargo Securities International Limited | London | A rating |
| Wells Haven Ltd | Folkestone | A rating |
| Wells Health Centre | Wells | A rating |
| Wells House Ltd | Wells | A rating |
| Wells Street Corner Store | South Humberside | A rating |
| Wellserve Ltd | Manchester | A rating |
| Wellslane Care Limited | Rotherham | A rating |
| Wellspring Care Homes Ltd | London | A rating |
| Wellspring Church | Watford | A rating |
| Wellspring Medical Centre | Caerphilly | A rating |
| Wellspring Solutions Private Limited | Bristol | A rating |
| Wellspring Surgery | Bristol | A rating |
| Wellspring Surgery | NOTTINGHAM | A rating |
| Wellsprings Community | Edinburgh | A rating |
| Wellstern Gateways Limited | Southport | A rating |
| Welltec (UK) Ltd | Dyce | A rating |
| Welltek Ltd | London | A rating |
| Welltin Limited | Addlestone | A rating |
| Wellwise Health Limited | Leigh-on-sea | A rating |
| WELLWISE HEALTH LIMITED | ESSEX | A rating |
| Wellworth Halal Meat | Birmingham | A rating |
| WELO CURTAINS LTD | LONDON | A rating |
| WELS Church | Staines-Upon-Thames | A rating |
| Welsh Ambulance Services Trust | Cwmbran | A rating |
| Welsh Centre for International Affairs | Cardiff | A rating |
| Welsh Fire (The Hundred) Limited | Cardiff | A rating |
| Welsh Government | Cardiff | A rating |
| Welsh Gymnastics Ltd | Cardiff | A rating |
| Welsh National Opera Limited | Cardiff | A rating |
| Welsh Netball Association | Cardiff | A rating |
| Welsh Parliament | Cardiff | A rating |
| Welshpool Medical Practice | WELSHPOOL | A rating |
| Welspun UK Limited | Stockport | A rating |
| Welton Connections Limited | Birmingham | A rating |
| Welton Tandoori Ltd t/a Welton Spice | Welton | A rating |
| Welwin Infotech Ltd | Haverhill | A rating |
| Welwing Capital UK Limited | London | A rating |
| WELWORTH STORE LIMITED | Conniburrow | A rating |
| Welwyn Garden City Cricket Club | Welwyn Garden City | A rating |
| Welzh Werkzeug Ltd | Gretna | A rating |
| Welzo Ltd | London | A rating |
| Wem & Co | London | A rating |
| Wem and Prees Medical Practice | WEM | A rating |
| Wem Cricket Club | Wem | A rating |
| Wema Health Care and Support Services Ltd | Dudley | A rating |
| Wematch.Live FS Ltd | London | A rating |
| WeMatch.securitiesfinancing Ltd | London | A rating |
| Wembdon Cricket Club | Bridgwater | A rating |
| Wembley Christian Fellowship | London | A rating |
| Wembley High Street Dental Practice | London | A rating |
| Wembley Hill Hotel Ltd | London | A rating |
| Wembley Innovation Ltd | Wembley | A rating |
| WEMBLEY KEBABISH LIMITED | Wembley | A rating |
| Wembley Multi-Academy Trust | Wembley | A rating |
| Wembley Park Medical Centre | Wembley | A rating |
| WEMBLEY PRESTIGE CARS LIMITED | Bushey | A rating |
| Wembley Solicitors Limited | Wembley | A rating |
| Wembley Specsavers Hearcare Limited | Wembley | A rating |
| WEMBLEY SPIRITS LIMITED T/A Brothers Superstore | Wembley | A rating |
| WEMBLEY TOWERS LTD | London | A rating |
| WEMEDIA TRADING LTD | Guildford | A rating |
| Wemeetclub Ltd | London | A rating |
| Wempe Limited UK | London | A rating |
| Wemtrad Ltd | Wembley | A rating |
| Wemyss Lodge Ltd | Swindon | A rating |
| WEN SUSHI CLAPHAM LTD | LONDON | A rating |
| Wendover Development Limited | London | A rating |
| Wendover Studio Limited | London | A rating |
| Wendy Wu Tours | London | A rating |
| WENDY'S RESTAURANTS OF U.K. LIMITED | Smallfield | A rating |
| Wengineering Ltd | King''s Lynn | A rating |
| Wenham Carter Ltd | Hove | A rating |
| WENLIN EDUCATION LTD | London | A rating |
| Wenlodia (UK) Limited | Northampton | A rating |
| Wenmai Dry Cleaners Ltd | Pinner | A rating |
| Wenrit Global Limited | Bolton | A rating |
| WENSLEY CONVENIENCE STORE | FERRYHILL | A rating |
| Wensleydale Dental Practice | Huntingdon | A rating |
| Wentwood Holdings Ltd | London | A rating |
| Wentworth TC Limited (Wentworth College) | London | A rating |
| Wentworth Care LTD t/a The Garth Care Services | Kington | A rating |
| Wentworth Club Ltd | Virginia Water | A rating |
| Wentworth Community Care Ltd | Telford | A rating |
| Wentworth Court Care Home | Cheltenham | A rating |
| WENTWORTH HEALTHCARE LTD T/A BEAUMONT COURT CARE HOME | CORNWALL | A rating |
| Wentworth House Hotel Limited | Bath | A rating |
| Wentworth Resources (UK) Limited | Richmond-upon-Thames | A rating |
| Wentworth Rest Home Limited | Lancashire | A rating |
| Wentworth Woodhouse Preservation Trust | Rotherham | A rating |
| WEPA Professional UK Ltd | Blackburn | A rating |
| WEPA UK Ltd | Bridgend | A rating |
| WEPOINT UK LIMITED | London | A rating |
| Wepre Villa Homecare Limited | Clwyd | A rating |
| Wepre Villa Homes Ltd | Deeside | A rating |
| Wera Tools (UK) Limited | Chesterfield | A rating |
| Werfen Limited | Warrington | A rating |
| Werit UK Limited | Manchester | A rating |
| Werkfolio Limited | London | A rating |
| Wern Vets Ltd | Ruthin | A rating |
| Werneth Lodge Limited | London | A rating |
| WEROAD UK LTD | London | A rating |
| Werrington Cricket Club | Launceston | A rating |
| WERY GAMES LIMITED | London | A rating |
| WES GROUP LTD | London | A rating |
| Wesbridge Associates Limited | London | A rating |
| Wescom Group | Draycott | A rating |
| Wescom Group Limited | Addlestone | A rating |
| WESCONNEX LIMITED | Birmingham | A rating |
| Wescot Credit Services Limited | Hull | A rating |
| WESELL2YOU LIMITED | London | A rating |