| Lexi Law Ltd | Stockport | A rating |
| Lexia Analytics | Bristol | A rating |
| Lexica Health and Life Sciences Consultancy Limited | London | A rating |
| LEXICON CIRCLE LTD | London | A rating |
| Lexington Advisors UK Limited | London | A rating |
| LEXINGTON ASHWORTH LTD | Stockport | A rating |
| Lexington Communications Ltd | London | A rating |
| Lexington Corporate Advisors Ltd | Cardiff | A rating |
| Lexis Lighting International Ltd | Leicester | A rating |
| Lexlegal Ltd | LONDON | A rating |
| Lexman Law LTD | London | A rating |
| Lexmm Solicitors Limited | Luton | A rating |
| LEXNIS SERVICES LTD | Hertfordshire | A rating |
| Lexon UK Ltd | Redditch | A rating |
| Lexonis Ltd | Abingdon | A rating |
| Lexoo Limited | London | A rating |
| Lexrae Support | Telford | A rating |
| Lexsential Ltd | London | A rating |
| Lexsynergy Limited | London | A rating |
| LexTego Ltd | Chichester | A rating |
| Lexverify Ltd | Birmingham | A rating |
| Lexwin trading Ltd t/a Angels Place Health and Social Care | Mitcham | A rating |
| Lexxic Ltd | London | A rating |
| Leycett Cricket Club | Newcastle-Under-Lyme | A rating |
| Leyden Kirby Associates Limited | Radcliffe | A rating |
| Leyland Cricket Club | Leyland | A rating |
| Leyland Cross Fish Limited | Leyland | A rating |
| LEYLAND LATE NIGHT LIMITED | Leyland | A rating |
| Leyland Primary Care Network Limited | Preston | A rating |
| Leyland Surgery | Preston | A rating |
| Leyland Trucks Limited | Leyland | A rating |
| Leymar Ltd | Mansfield | A rating |
| Leyton Dental Surgery | LONDON | A rating |
| Leyton Dining Club Ltd T/A Shish Mahal | Leyton, London | A rating |
| Leyton House Community Care Ltd | London | A rating |
| LEYTON LINEN SERVICES LIMITED | London | A rating |
| LEYTON MIDLAND CARS LTD | Walthamstow | A rating |
| Leyton Orient Football Club Limited | Leyton | A rating |
| Leyton UK Limited | London | A rating |
| LEYTONSTONE GENTS BARBERS LTD | London | A rating |
| Leytonstone Halal Meat Limited | London | A rating |
| Leytonstone Service Station Limited | London | A rating |
| Lezet Ltd | Grays | A rating |
| LF Europe Limited | London | A rating |
| LF Foundation aka LF Fountain of Grace | Birmingham | A rating |
| LF Law Ltd | London | A rating |
| LF Legal Ltd | London | A rating |
| LF Outsourcing Holdings Limited | London | A rating |
| LFCC Global Belfast | Belfast | A rating |
| LFCS GLOBAL LTD | London | A rating |
| LFH Fluid Control Limited | Ellon | A rating |
| LFH Hotels Limited | Brockenhurst | A rating |
| LG Electronics U.K. Limited | Weybridge | A rating |
| LG H&H UK LTD | Milton Keynes | A rating |
| LG Harris & Co Ltd | Stoke Prior | A rating |
| LG RETAIL LTD T/A ESSO | Newton Aycliffe | A rating |
| LGBR Capital London Limited | London | A rating |
| LGBT Foundation | Manchester | A rating |
| LGBT Great Ltd | London | A rating |
| LGC Limited | Guildford | A rating |
| LGC Limited | Teddington | A rating |
| LGCM Advisors Limited | London | A rating |
| LGE FOODS LTD | BIRMINGHAM | A rating |
| LGH Central Ltd | Atherton | A rating |
| LGH Hotels Management Limited | West Drayton | A rating |
| LGIU International Ltd | London | A rating |
| LGM Products Ltd | Farnham | A rating |
| LGMG MACHINERY U.K. LIMITED | Liverpool | A rating |
| LGND Online Services Ltd | London | A rating |
| LGPS Central Limited | Wolverhampton | A rating |
| LGR Academy Limited | Huntingdon | A rating |
| LGR Health Care Limited | Huntingdon | A rating |
| LGS Structures Ltd | London | A rating |
| LGT Polo Ltd | Tetbury | A rating |
| LGT Private Debt Ltd. | London | A rating |
| LGT Wealth Management UK LLP | London | A rating |
| LH Plc | Wimbledon | A rating |
| LH TRADING (SW) LIMITED | Bristol | A rating |
| LHA London LTD | London | A rating |
| Lhasa Limited | Leeds | A rating |
| LHC Holdings Limited | London | A rating |
| LHCM LTD | London | A rating |
| LHH Investments Ltd | Bolton | A rating |
| LHI Group Limited | London | A rating |
| LHM HEALTHCARE | LONDON | A rating |
| LHM Superstore Ltd T/As Asian Supermarket | Crewe | A rating |
| LHOIRS LIMITED | Portsmouth | A rating |
| LHOIST UK LTD | Buxton | A rating |
| LHR Global Logistics Ltd | Harmondsworth | A rating |
| LHV Bank Limited | London | A rating |
| LIA AEROSPACE LTD | Stockton-on-Tees | A rating |
| LIA UK Holdings II Ltd | London | A rating |
| Liaise (East Anglia) Limited | London | A rating |
| Liaise (London) Limited | London | A rating |
| Liaise (Midlands) Limited | London | A rating |
| Liaise (South East) Limited | London | A rating |
| Liaise (South) Limited | London | A rating |
| Liaison VAT Consultancy Ltd | Hertfordshire | A rating |
| Liam Bradley Ltd | Omagh | A rating |
| LIANA FASHIONS LTD | LONDON | A rating |
| Liana I Budurin T/A Optident Dental Clinic | Colchester | A rating |
| LIANA PROPERTIES UK LTD | Chadwell Heath | A rating |
| Liana Takeaway Limited | Swansea | A rating |
| Lianco Technologies Limited | London | A rating |
| Liaquat Ali t/a Madina Roti House | Bradford | A rating |
| liban fresh ltd | london | A rating |
| Libas and More Ltd | Smethwick | A rating |
| Libatis Limited | Dawlish | A rating |
| Libby Perszyk Kathman Limited | London | A rating |
| Liberal Democrats | London | A rating |
| Liberal International | London | A rating |
| Liberal Judaism (ULPS) | London | A rating |
| Liberatii Ltd | Chilworth | A rating |
| Liberating Research Ltd | London | A rating |
| Liberis Ltd | London | A rating |
| LIBERTA RESTAURANT LTD | Bathgate | A rating |
| Libertas Care Ltd | Crewkerne | A rating |
| Libertas GBR Limited | London | A rating |
| Libertatem Healthcare Group Ltd | Wokingham | A rating |
| Libertine FPE Limited | Sheffield | A rating |
| Liberton Medical Group | Edinburgh | A rating |
| Liberty & Co Solicitors | London | A rating |
| Liberty Academy Trust | London | A rating |
| Liberty Accounting & Training Ltd | London | A rating |
| Liberty Army | Kent | A rating |
| Liberty Beauty Ltd | Coulson | A rating |
| LIBERTY CENTRE LIMITED | DAGENHAM | A rating |
| Liberty Charge Limited | LONDON | A rating |
| Liberty Cheesesteak LS Company, Ltd. t/a Passyunk Avenue | London | A rating |
| Liberty Church | Newport | A rating |
| Liberty Church | Rotherham | A rating |
| Liberty Church Norbury | Norbury | A rating |
| Liberty Church Wirral | Birkenhead | A rating |
| LIBERTY DESIGN AND BUILD LIMITED | Bingley | A rating |
| Liberty Finance Limited | Warsash | A rating |
| Liberty Frozen Foods Limited | Leicester | B rating |
| Liberty Global Europe Limited | London | A rating |
| Liberty House Care Homes Limited | Birmingham | A rating |
| Liberty Hub LLP | London | A rating |
| Liberty Industrial Ltd | Northallerton | A rating |
| Liberty Information Technology Limited | Belfast | A rating |
| LIBERTY INT G B & IRE LTD | London | A rating |
| Liberty Law Solicitors Ltd | Luton | A rating |
| Liberty Legal Solicitors LLP | Ilford | A rating |
| Liberty Optimum Care Ltd | Preston | A rating |
| Liberty Retail Limited | London | A rating |
| Liberty Specialty Markets Ltd | London | A rating |
| Liberty Stock Ltd | Amersham | A rating |
| Liberty Support Services Ltd | Wolverhampton | A rating |
| Liberty Supported Living Ltd | Slough | A rating |
| LIBERTY WINES LIMITED | LONDON | A rating |
| Liberty Woodland School Limited | Morden | A rating |
| LibertyPlacements | Bridgend | A rating |
| LIBERTYWRAPZ LTD | Staines-Upon-Thames | A rating |
| Liberum Capital Ltd | London | A rating |
| Libi & Daughters Ltd | London | A rating |
| LIBRA CAPITAL LIMITED | LONDON | A rating |
| Libra Education LTD | London | A rating |
| LIBRA EUROPE LTD | London | A rating |
| Libraesva Limited | Chelmsford | A rating |
| LIBRATECH LIMITED | London | A rating |
| LICATA MIDLANDS LIMITED/ Licata | Birmingham | A rating |
| Licensing & Safety Lawyers Ltd | Wallingford | A rating |
| LICHFIELD BUSINESS LTD | STAFFORDSHIRE | A rating |
| Lichfield Diocesan Board of Finance | Lichfield | A rating |
| Lichfield Grove Surgery | London | A rating |
| Lichfield Surgery Ltd | London | A rating |
| Lick Home Ltd | Brixton | A rating |
| Lick It Carlisle Limited | Carlisle | A rating |
| Lidgett Lane Stores Limited | Leeds | A rating |
| Lidhar Haulage Ltd | West Bromwich | A rating |
| Lidl Great Britain Limited | London | A rating |
| Lidl Northern Ireland Limited | Crumlin | A rating |
| LIDS Holdings UK Limited | London | A rating |
| Liebherr Sunderland Works Ltd | Sunderland | A rating |
| Liebherr-Great Britain Limited | Biggleswade | A rating |
| Lief London LTD | London | A rating |
| LIELAH DESIGN AND MANAGEMENT CONSULTING LTD | Woking | A rating |
| Lievito Restaurant (UK) Ltd | Manchester | A rating |
| Life Anchor Limited | Swindon | A rating |
| Life and Care Solutions Limited t/a Right at Home Tyneside | Newcastle upon Tyne | A rating |
| Life Balance Chiropractic | Poole | A rating |
| Life Cafe Restaurant | London | A rating |
| Life Care (UK) LTD t/A Courtlands Lodge | LINCOLN | A rating |
| Life Care Plus Limited | Uxbridge | A rating |
| Life Centre Bible Church | London | A rating |
| Life Changing International Chapel | London | A rating |
| Life Chiropractic Clinics Ltd | Basildon | A rating |
| Life Church Europe | Bedworth | A rating |
| Life Destiny Church | Harrogate | A rating |
| Life Education Trust | Romford | A rating |
| Life Effect Chiropractic Ltd | SOUTHAMPTON | A rating |
| Life Enhancement And Fitness Ltd | Llandudno | A rating |
| Life Health Foods UK Ltd | London | A rating |
| LIFE INSURANCE CORPORATION OF INDIA | Watford | A rating |
| Life is Japan (UK) ltd. | Brighton | A rating |
| Life Moments | Wimbledon | A rating |
| LIFE PLAN SOLUTIONS LIMITED | Stoke-on-Trent | A rating |
| LIFE PULSE SOLUTIONS LIMITED | Nottingham | A rating |
| Life Science Group Ltd | Sandy | A rating |