| Westbrook Europe (UK) LLP | London | A rating |
| WESTBROOK FOOD AND WINE LTD | MARGATE | A rating |
| Westbrook Healthcare LLP (T/A Westbrook Care) | Caterham | B rating |
| Westbrook Law LTD | LONDON | A rating |
| Westbrook Medical Centre | Warrington | A rating |
| WESTBROOK RETAIL LTD T/A FLAMSTEAD VILLAGE STORE & POST OFFICE | ST ALBANS | A rating |
| Westbrooke Alternative Asset Management UK Ltd | London | A rating |
| Westburn Fishing Company Limited | Peterhead | A rating |
| Westburn Medical Group LLP | Aberdeen | A rating |
| Westbury Care Limited | Bristol | A rating |
| Westbury Dental Care | London | A rating |
| WESTBURY DRY CLEANERS | Newcastle Under Lyme | A rating |
| Westbury pizza ltd | Sailsbury | A rating |
| Westbury Property Maintenance Ltd | Sidcup | A rating |
| WESTBURY ROAD MEDICAL PRACTICE | LONDON | A rating |
| Westbury Supermarket Limited | London | A rating |
| Westbury Tech LTD | bristol | A rating |
| WestCap Management UK Ltd | London | A rating |
| Westcliff Dental Practice Limited | Westcliff -on -Sea | A rating |
| Westcliff High School for Boys | Westcliff-on-Sea | A rating |
| Westcliff Supermarket | Westcliff-On-Sea | A rating |
| Westcliff Tyres Limited | Southend-On-Sea | A rating |
| Westcliffe Health Innovations Limited | Eccleshill | A rating |
| Westco Resources Limited | Paignton | A rating |
| Westco Trading Ltd | London | A rating |
| Westcoast Ltd | Reading | A rating |
| Westcombe Construction Limited | Harrow | A rating |
| Westcon Group European Operations Ltd | Cirencester | A rating |
| Westcore UK LLP | Surrey | A rating |
| WESTCOUNTRY FIRE PROTECTION LIMITED | Torquay | A rating |
| Westcountry Schools Trust | Ivybridge | A rating |
| Westcourt Medical Centre | Littlehampton | A rating |
| Westcroft Construction Services Ltd | Slough | A rating |
| Westcroft House Surgery | Egremont | A rating |
| Westcroft Park Polo Club Ltd | Chobham | A rating |
| Westdale Lane Surgery | Nottingham | A rating |
| Westdreams Limited | Leicester | A rating |
| Westec Engineering Ltd | Christchurch | A rating |
| WESTEC Holding Company Ltd | Burgess Hill | A rating |
| WESTECH SOLAR(UK) LIMITED | OXFORD | A rating |
| Westend Consultants UK Ltd | Harrow | A rating |
| Westend Corporate LLP | London | A rating |
| Westend Service station | CMELMSFORD | A rating |
| Westerfield House Care Ltd | Ipswich | A rating |
| Western Asset Management Company Limited | London | A rating |
| Western Auto Solutions Ltd | Slough | A rating |
| Western Brand Poultry Products Ni | Lisnaskea | A rating |
| WESTERN CARS PRIVATE HIRE LTD | West Sussex | A rating |
| WESTERN CONVENIENCE STORE LTD | Liverpool | A rating |
| Western Digital (UK) Limited | Guilford | A rating |
| Western Elms Surgery | Reading | A rating |
| WESTERN ENERGY LTD | London | A rating |
| Western Films Ltd | Southampton | A rating |
| WESTERN FREIGHT AND LOGISTICS LIMITED | London | A rating |
| Western Fried Chicken Ltd | London | A rating |
| Western Gifts Shop Ltd | London | A rating |
| Western Health & Social Care Trust | Londonderry | A rating |
| Western Health Care Limited | Petersfield | A rating |
| Western House Academy | Slough | A rating |
| WESTERN INSULATION SERVICES LIMITED | Glasgow, Scotland, | A rating |
| Western International Group (UK) Ltd | Smethick | A rating |
| Western Jewellers | Tooting Broadway | A rating |
| WESTERN LINK LIMITED | Suffolk | A rating |
| Western Link Traders | Leicester | A rating |
| WESTERN MANAGEMENT LTD | LONDON | A rating |
| WESTERN MOTOR FUEL LTD T/A BP | KILMARNOCK | A rating |
| WESTERN MOUNT LODGE LTD | Derby | A rating |
| Western News Agent | Romford | A rating |
| WESTERN ORIENTALS UK LTD | West Midlands | A rating |
| Western Provident Association | Taunton | A rating |
| Western Road Medical Centre | Romford | A rating |
| Western Road Stores | Derby | A rating |
| Western Rural Healthcare | Castlederg | A rating |
| WESTERN TAURUS LIMITED | Brentford | A rating |
| WESTERN TRADING LIMITED | Birmingham | A rating |
| Western Union Payment Services Ireland Limited | London | A rating |
| Western Utility Limited | London | A rating |
| WESTERN VALLEY STORE LTD | Nottingham | A rating |
| Westernacher & Partner Consulting Limited | Esher | A rating |
| WesternGeco Limited | Crawley | A rating |
| Westernrock Limited | Rickmansworth | A rating |
| Westfab Engineering | KILMARNOCK | A rating |
| Westfalia Fruit International Limited | West Malling | A rating |
| Westfield Academy | Watford | A rating |
| WESTFIELD CONVENIENCE STORE | MANSFIELD | A rating |
| Westfield Europe Limited | London | A rating |
| Westfield Fisheries | Goole | A rating |
| WESTFIELD FOOD CITY LIMITED T/A ONE STOP | Wiltshire | A rating |
| Westfield House (Care) Ltd | Loughborough | A rating |
| WESTFIELD LONDIS LIMITED | Westfield | A rating |
| Westfield Nursing Home | Boston | A rating |
| Westfield residential home ltd | hull | A rating |
| Westfield Restaurants Limited | London | A rating |
| Westfield School | Newcastle upon Tyne | A rating |
| Westfield Specialty Managing Agency Limited | London | A rating |
| Westgarth Enterprises Limited | Ruscombe | A rating |
| Westgate Communications Ltd | Sevenoaks | A rating |
| WESTGATE DRY CLEANERS LTD | Canterbury | A rating |
| Westgate Electronics LTD | Dewsbury | A rating |
| WESTGATE EXECUTIVE CHAUFFEURS LTD | Birmingham | A rating |
| WESTGATE HEALTHCARE (AYLESBURY) LTD | BOREHAMWOOD | A rating |
| Westgate Healthcare (Borehamwood) Limited | Borehamwood | A rating |
| Westgate Healthcare (Braintree) Limited | Braintree | A rating |
| WESTGATE HEALTHCARE (CHORLEYWOOD) LIMITED | Borehamwood | A rating |
| WESTGATE HEALTHCARE (HEMEL HEMPSTEAD) LTD | BOREHAMWOOD | A rating |
| Westgate Healthcare (Wanstead) Limited | Borehamwood | A rating |
| Westgate Healthcare Limited | Borehamwood | A rating |
| WESTGATE HOUSE NE LTD | Newcastle Upon Tyne | A rating |
| WESTGATE INVESTMENT & BUSINESS DEVELOPMENT LTD | London | A rating |
| WESTGATE LONDIS LIMITED | WESTGATE-ON-SEA | A rating |
| Westgate Solicitors | ILFORD | A rating |
| WestGlen Consult Ltd | Paisley | A rating |
| Westgreen Care Ltd | Wotton Under Edge | A rating |
| Westgrove Partners Ltd | London | A rating |
| WESTHILL EATERY LTD | Westhill | A rating |
| Westholme Clinic Limited | Worthing | A rating |
| Westhorpe Care Ltd | Northampton | A rating |
| Westhoughton Cricket Club | Bolton | A rating |
| Westin Care Limited T/A Westin Care Home | Bristol | A rating |
| WESTINGHOUSE ELECTRIC UK HOLDINGS LIMITED | Preston | A rating |
| Westkin Law Limited | London | A rating |
| Westlab Ltd | Cranleigh | A rating |
| Westlakes Engineering Limited | Cleator Moor | A rating |
| WESTLAND COFFEE COMPANY EID LTD | London | A rating |
| Westland Horticulture Ltd | Dungannon | A rating |
| Westland Mark Limited | London | A rating |
| Westlands Advisory Ltd | Richmond | A rating |
| Westlands Care Home Ltd | Alton | A rating |
| Westlands Care Limited | Teignmouth | A rating |
| Westlands of Perthshire Ltd | Pitlochry | A rating |
| Westlands Supermarket Limited | Worcestershire | A rating |
| Westley Richards & Co Ltd | Birmingham | A rating |
| Westlive Limited | Poulton Le Fylde | A rating |
| Westlodge Care Home | Crook | A rating |
| Westmead Corner Convenience Store | Carshalton | A rating |
| WESTMID ACADEMY LTD | BIRMINGHAM | A rating |
| WESTMID SERVICES GROUP LTD | Birmingham | A rating |
| Westmill Foods Limited | Enfield | A rating |
| Westmill Stores | Hitchin | A rating |
| Westminster Academies | London | A rating |
| Westminster Academy | London | A rating |
| Westminster Accountancy Limited | London | A rating |
| WESTMINSTER BANGLADESHI WELFARE TRUST | LONDON | A rating |
| Westminster Bridge Hotel Operator Ltd | London | A rating |
| Westminster Chapel | London | A rating |
| Westminster City Council | London | A rating |
| Westminster College | Cambridge | A rating |
| Westminster Controls Ltd | Leeds | A rating |
| Westminster Education and Cultural Exchange Centre Limited | London | A rating |
| Westminster Finance Limited | Warrington | A rating |
| Westminster Foundation for Democracy Limited | London | A rating |
| WESTMINSTER LAW LTD | Waterlooville | A rating |
| WESTMINSTER LAW SUPPORT LTD | Waterlooville | A rating |
| Westminster Management Services Limited | London | A rating |
| Westminster Roman Catholic Diocese Trustee | London | A rating |
| WESTMINSTER SCHOOL | London | A rating |
| Westminster Synagogue | London | A rating |
| Westminster Theological Centre | Cheltenham | A rating |
| Westmont Management Limited | Wimbledon | A rating |
| Westmorland & Furness Council | Kendal | A rating |
| Westmorland Healthcare Limited | Arnside | A rating |
| Weston College | Weston super Mare | A rating |
| Weston Dental Centre | Runcorn | A rating |
| Weston Group Plc | Takeley | A rating |
| Weston Hall Hotel | Bulkington | A rating |
| Weston Importers Ltd | Huntingdon | A rating |
| WESTON LIMITED | LONDON | A rating |
| Weston Park Care Limited | Shrewsbury | A rating |
| Weston Park Dental Surgeons | London | A rating |
| WESTON STORE & PO LIMITED | HITCHIN, HERTFORDSHIRE | A rating |
| Weston Stores LTD t/a Weston Convenience Store | Weston-Super Mare | A rating |
| Weston Super Mare Visionplus Limited t/a Specsavers | Weston Super Mare | A rating |
| Weston SW Ltd Trading as Frolics | Cardiff | A rating |
| Weston-super-Mare Cricket Club | Weston-super-Mare | A rating |
| Weston-super-Mare Free Church Housing Association Limited | Weston-super-Mare | A rating |
| Westone Housing Ltd | Peterborough | A rating |
| Westongrove PMS Partnership | Aston Clinton | A rating |
| Westonmill Express Ltd | Plymouth | A rating |
| Westonvs Limited T/A Weston Village Stores & Post Office | Spalding | A rating |
| WestonWilliamson + Partners LLP | London | A rating |
| WestonWilliamson Limited | London | A rating |
| Westpac Banking Corporation | London | A rating |
| Westpoint Construction Company (Scotland) Ltd | Glasgow | A rating |
| Westpoint Pharmacy | Manchester | A rating |
| Westrock Limited | London | A rating |
| westrop medical practice | swindon | A rating |
| Westside Autos LTD | WEST DRAYTON | A rating |
| Westside Dental Care | Edinburgh | A rating |
| Westside Stores | Dunstable, Bedfordshire | A rating |
| Westtek Solutions Ltd | Apsley | A rating |
| Westville Hotel | Enniskillen | A rating |
| Westville Limited | Shirebrook | A rating |
| Westward Care Homes Limited | Gt. Ellingham | B rating |
| Westward Care Ltd | Leeds | A rating |
| Westway Construction Limited | Hanwell | A rating |
| Westway Medical Centre | Liverpool | A rating |
| WESTWEY CHAUFFEURS LTD | London | A rating |
| Westwire Harnessing Limited | Swindon | A rating |
| Westwood Care Home | Brighton | A rating |
| Westwood Care Homes Limited T/A Woodlands Nursing Home | Ripley | A rating |