| Leafield Care Home | Abingdon | A rating |
| Leafield Environmental Limited | Corsham | A rating |
| LEAFLET DROPPER LTD | Ilford | A rating |
| Leaflife Ltd | London | A rating |
| Leafy Tunnel Ltd | London | A rating |
| Leagas Delaney Limited | London | A rating |
| Leagrave Clinic Limited | Luton | A rating |
| League of British Muslims UK | London | A rating |
| Leagues UK Commercial Co., Ltd | London | A rating |
| Leakers Bakery | Bridport | A rating |
| LEAL HEALTHCARE LIMITED | Stockbridge | A rating |
| Lealands High School | Luton | A rating |
| Leam Lane Takeaway Limited | Gateshead | A rating |
| Leamington Cricket Club | Leamington spa | A rating |
| LEAMORE LIMITED | Iver | A rating |
| LEAMORE WINES | WALSALL | A rating |
| LEAMOUTH EXCEL LTD | London | A rating |
| Lean Scrum Global Ltd | London | A rating |
| Lean Technologies Development (UK) Limited | London | A rating |
| LEANDER STORES | ROCHESTER, KENT | A rating |
| LEANN SUPPORT SERVICES LIMITED | London | A rating |
| Leanpath Ltd | London | A rating |
| LEAP HORSE GROUP OF INDUSTRIES LTD | Watford | A rating |
| Leap Laboratories, LTD | London | A rating |
| LEAP Legal Software Limited | Twickenham | A rating |
| Leap Networks Global Ltd | Manchester | A rating |
| Leap Productions Ltd | London | A rating |
| LEAP-TEL LIMITED | London | A rating |
| Leap29 Holdings Ltd | Wilmslow | A rating |
| LEAPFROG A.I. LTD | London | A rating |
| Leapfrog Marketing Ltd | Whetstone | A rating |
| Leaping Toads Limited | London | A rating |
| Leapman Weiss - Chartered Accountants | London | A rating |
| Leaps and Bounds Trust -Inspiring Change Ltd | Stourbridge | A rating |
| Leapwise Limited | London | A rating |
| Leapwork UK Ltd | London | A rating |
| LeapXpert UK Limited | London | A rating |
| Lear Corporation | Coventry | A rating |
| Lear Food and Beverage Ltd | Leicester | A rating |
| Learn French with Alexa Limited | London | A rating |
| Learn Trade Skills | Cheshunt | A rating |
| LEARN-WORLD.IO LIMITED | Oxford | A rating |
| Learna Ltd | Cardiff | A rating |
| Learnd UK Limited | Bellshill | A rating |
| learndirect Ltd | Bournemouth | A rating |
| Learning and Support Services Limited | Ford End | A rating |
| Learning Centre for Management & Training Ltd | London | A rating |
| Learning Connexions (UK) Ltd | London | A rating |
| Learning Corner Nursery | Luton | A rating |
| Learning in Harmony Trust | Hartley Avenue | A rating |
| Learning Labs | Birmingham | A rating |
| Learning Partners Academy Trust | Guildford | A rating |
| LEARNING PLUS SUPPORT SOLUTIONS LTD | Stoke On Trent | A rating |
| Learning Pool | Derry | A rating |
| Learning Pool Limited | Derry | A rating |
| Learning Resource Network Ltd | Romford | A rating |
| Learning Roots Ltd | London | A rating |
| Learning Stars Montessori Children's House | Wembley | A rating |
| Learning Technologies Group PLC | Brighton | A rating |
| Learning Together Limited | Stonehouse | A rating |
| Learning Unleashed Limited | Liverpool | A rating |
| Learning without Limits Academy Trust | Leicester | A rating |
| Learning World Montessori Limited | Croydon | A rating |
| LearningMate Solutions (UK) | Amersham | A rating |
| LEARNINGPOINT LIMITED | Birmingham | A rating |
| Learnlight UK Limited | London | A rating |
| Learnsmarter Apps Ltd | Winchester | A rating |
| LEAROYDS LTD | DAGENHAM | A rating |
| Leasehold Services Ltd | London | A rating |
| LeaseLoco Ltd | Glasgow | A rating |
| LEASENOW LIMITED | London | A rating |
| LeasePlan UK Ltd | Slough | A rating |
| Leask Marine Ltd | Kirkwall | A rating |
| Leasytax Ltd | London | UK Expansion Worker: Provisional |
| Leather Connection Limited | Bolton | A rating |
| LEATHERICK LIMITED | Northampton | A rating |
| Leathersellers' Federation of Schools | London | A rating |
| Leathwaite Human Capital Limited | London | A rating |
| Leatside Surgery | Totnes | A rating |
| Leave it to Esmie Limited | Coventry | A rating |
| Leaven Pizza | Hereford | A rating |
| Leavesden JMI School | Watford | A rating |
| LEAVESDEN SUPERMARKET LTD | Leavesden | A rating |
| Leavitt Walmsley Associates | Manchester | A rating |
| LEAZES HALL CARE HOME LTD | BURNOPFIELD | A rating |
| Leazes Stores Limited | Newcastle Upon Tyne | A rating |
| Lebaneats Franchising Ltd TA Lebaneats | London | A rating |
| Lebanese Gourmet Ltd | London | A rating |
| Lebara Limited | London | A rating |
| LEBAS BAZAR LIMITED | Southall | A rating |
| LEBEC Catering Ltd | Romford | A rating |
| Lebo Lebanese Grill Limited | London | A rating |
| Lebran Ltd | Chester | A rating |
| LEBRIZ HOSPITALITY LTD | EDINBURGH | A rating |
| LEBRONZE ALLOYS UK LTD | Walsall | A rating |
| LEC BUILD LTD | LONDON | A rating |
| Lecce Badgers Ltd | London | A rating |
| Lechlade Khushi LTD t/a Khushi | Lechlade On Thames | A rating |
| LECI SERVICES LIMITED | Cranleigh | A rating |
| Lecico PLC | Bedford | A rating |
| LECKHAMPTON FOOD AND WINE | GLOUCESTERSHIRE | A rating |
| LECODEH UK LTD | Cambridge | A rating |
| Leconfield Property Group Ltd | London | A rating |
| Lecropt Ltd | Bridge of Allan | A rating |
| Lectra UK Ltd | Albion Road | A rating |
| LED Cash & Carry Limited | Harrow Weald | A rating |
| LED ECO LIGHTS LIMITED | Camberley | A rating |
| Led Flex Limited | Winchester | A rating |
| LED SMART SOLUTIONS LIMITED | Manchester, England | A rating |
| Ledbury Health Partnership | Ledbury | A rating |
| Ledger Technologies UK LTD | London | A rating |
| Ledgerscope Services Ltd | London | A rating |
| Ledgy Limited | London | A rating |
| Ledmore Sussex Hospitality Limited | Graffham, Petworth | A rating |
| LEDSynergy | Andover | A rating |
| Ledwood Mechanical Engineering Limited | Pembroke Dock | A rating |
| LEE & CO CONSULTANTS LTD | MANCHESTER | A rating |
| LEE & J Ltd | CASTLEWELLAN | A rating |
| Lee & Thompson LLP | London | A rating |
| Lee and Moore Limited | Sheffield | A rating |
| Lee Broom Ltd | London | A rating |
| Lee Construction Cambridge LTD | Cambridge | A rating |
| Lee Evans Partnership LLP | Canterbury | A rating |
| Lee House Surgery | Windsor | A rating |
| Lee Kum Kee (Europe) Ltd | London | A rating |
| Lee Mount Care Home | HALIFAX | A rating |
| Lee Overlay Partners Limited t/a Adrian Lee & Partners | London | A rating |
| Lee Service station | London | A rating |
| LEE VALLEY CARE SERVICES LTD | Wembley Park | A rating |
| Lee-Well Catering Ltd | poole | A rating |
| Lee's Mini Market | Oldham | A rating |
| LEEC Limited | Nottingham | A rating |
| Leech Mechanical Services Limited | Latchingdon | A rating |
| Leeds and Bradford Boiler Company Limited | West Yorkshire | A rating |
| LEEDS AND CUBE RESOURCES UK LIMITED | Manchester | UK Expansion Worker: Provisional |
| Leeds and York Partnership NHS Foundation Trust | Leeds | A rating |
| Leeds Beckett University | LEEDS | A rating |
| Leeds Bradford Airport Limited | Leeds | A rating |
| Leeds Buddhist Vihara Trust | Leeds | A rating |
| Leeds Building Society | Leeds | A rating |
| Leeds Cakes & Shakes Limited | Leeds | A rating |
| Leeds Chinese Christian Church | Leeds | A rating |
| Leeds City Council | Leeds | A rating |
| Leeds Community Healthcare NHS Trust | Leeds | A rating |
| LEEDS CRICKET FOOTBALL AND ATHLETIC COMPANY LTD | LEEDS | A rating |
| Leeds Culture Trust | Leeds | A rating |
| Leeds Dental Team Limited T/A The Temple Practice | Leeds | A rating |
| LEEDS DIOCESAN BOARD OF FINANCE | Leeds | A rating |
| Leeds Hospitals Charity | Leeds | A rating |
| Leeds Ice Hockey Ltd | Leeds, | A rating |
| Leeds Jewish Welfare Board | Leeds | A rating |
| Leeds Phone Hub | Leeds | A rating |
| Leeds Rhinos Netball Limited | Leeds | A rating |
| Leeds Road Laundry | Harrogate | A rating |
| Leeds Road Practice | Harrogate | A rating |
| Leeds Student Medical Practice | Leeds | A rating |
| Leeds Teaching Hospitals NHS Trust | Leeds | A rating |
| Leeds Theatre Trust Limited | Leeds | A rating |
| Leeds Trinity University | Leeds | A rating |
| LEEDS UNITED FOOTBALL CLUB LIMITED | Leeds | A rating |
| LEEERAL LIMITED | Spalding | A rating |
| Leegangju UK LTD. | London | A rating |
| Leegrade Limited T/A Parade Pharmacy | London | A rating |
| LEEK BAR AND GRILL | LEEK | A rating |
| Leek Cricket Club | Leek | A rating |
| Leek Dental Centre | Leek | A rating |
| LEEK LINK LTD | Leek | A rating |
| Leek mobiles limited | Leek | A rating |
| Leela Consultancy Limited | London | A rating |
| LEELA MART LTD | STOCKPORT | A rating |
| Leelin Ltd | Milton Keynes | A rating |
| Leeming Pilkington Ltd | London | A rating |
| Leemount Balti House Ltd | Halifax | A rating |
| Leen View Surgery | Nottingham | A rating |
| Leena Bros Limited | Sunbury on Thames | A rating |
| LEENA SHIPPING UK LTD | LONDON | UK Expansion Worker: Provisional |
| Leep Holdings (Utilities) Limited | Manchester | A rating |
| LEERAY LIMITED | Manchester | A rating |
| Lees Medical Practice | Oldham | A rating |
| Lees Newsagents | London | A rating |
| Leesman limited | London | A rating |
| Leestlin Trawlers Ltd | Kilkeel | A rating |
| Leetec Auto Limited | Burton-on-Trent | A rating |
| LEEWAY BROTHERS LTD | London | A rating |
| Left Lane UK Limited | London | A rating |
| LEFTLEY ROWE AND COMPANY | LONDON | A rating |
| Legacie Contracts Ltd | Liverpool | A rating |
| Legacy Agency Limited | Leeds | A rating |
| Legacy Care Plus Ltd | Maldon | A rating |
| Legacy Centre of Excellence | Birmingham | A rating |
| legacy fight promotions | sheffield | A rating |
| LEGACY HEALTHCARE GROUP LTD | Daventry | A rating |
| Legacy of Sid Ltd | Bury St Edmunds | A rating |
| LEGACY PILATES APPARATUS UK LTD | LONDON | UK Expansion Worker: Provisional |
| Legacy Private Limited | London | A rating |
| Legacy UK Holdings Limited | London | A rating |
| Legacy Vape Hub UK Limited | Manchester | A rating |
| Legacy Ventures Ltd | London | A rating |
| Legado Technologies Limited | Edinburgh | A rating |
| Legal Response International | London | A rating |