| Lokalise UK Ltd | Altrincham | A rating |
| LOKE Mobile Ltd | Liverpool | A rating |
| LOLA CONSULTANT UK LTD | England | A rating |
| Lola Performance Technologies | London | A rating |
| LOLA ROSE JEWELLERY LIMITED | Bath | A rating |
| Lola VFX US Ltd | London | A rating |
| Lola's Cupcakes Limited | London | A rating |
| Lola's House Residential care home limited | Brough | A rating |
| LOLAFRESH HUB LIMITED T/A LOLA GROCERY STORE | PONTYPRIDD | A rating |
| LOLITA LONDON LIMITED | LONDON | A rating |
| Lolo Investment Ltd | London | A rating |
| LOM architecture and design | London | A rating |
| LOM UK Limited | Bristol | A rating |
| Loma Systems, a division of ITW Limited | Farnborough | A rating |
| Lomar Shipping Limited | London | A rating |
| Lomare Technologies Ltd | London | A rating |
| Lombard Medical Centre | Nottinghamshire | A rating |
| Lombard Medical Limited | Didcot | A rating |
| LOMBARD ODIER ASSET MANAGEMENT (EUROPE) LIMITED | LONDON | A rating |
| Lombardi Capital LLP | London | A rating |
| Lombardo Constructions Group Ltd | Croydon | A rating |
| Lomond Fine Foods Ltd | Glasgow | A rating |
| Lomond Property Lettings Limited | Edinburgh | A rating |
| LOMONDO LTD | LONDON | A rating |
| LONA CARE LIMITED | HOUNSLOW | A rating |
| Lona Grill House Ltd | Cardiff | A rating |
| Londinium Advisors Ltd. | London | A rating |
| Londis | Rainham | A rating |
| Londis | Glasgow | A rating |
| LONDIS (ABERCYNON) LTD | Newport | A rating |
| LONDIS & POST OFFICE | East sussex | A rating |
| Londis Bracknell Limited | Bracknell | A rating |
| Londis BWS | Chesham | A rating |
| Londis Food and Wine | Dartford | A rating |
| LONDIS GROVE LIMITED | Burnley | A rating |
| Londis Holly Parade | Feltham | A rating |
| Londis Hove | Hove | A rating |
| Londis Langley Post Office | Oldbury | A rating |
| Londis Meadow Mart | Newbury | A rating |
| LONDIS SHEENA SUPERMARKET | White City | A rating |
| Londis Supermarket | Glasgow | A rating |
| Londis Welling | Welling | A rating |
| Londis Ystrad | Hengoed | A rating |
| London & Capital | London | A rating |
| London & Co UK Ltd | Ilford | A rating |
| London & Country Limited | London | A rating |
| LONDON & ESSEX CONSTRUCTION LTD | Ilford | A rating |
| London & Partners Limited | London | A rating |
| London & Quadrant Housing Trust | London | A rating |
| London & Sons Ltd | London | A rating |
| LONDON & SURREY CARE GROUP LIMITED | Shepperton | A rating |
| London & West Investments Limited t/a Brooklands Nursing and Residential Home | Norwich | A rating |
| London 4 Domiciliary Specsavers Limited | London | A rating |
| London Academy | London | A rating |
| LONDON ACADEMY FOR APPLIED TECHNOLOGY LTD | Brentford | A rating |
| London Academy of Excellence Tottenham | London | A rating |
| London Academy of Music and Dramatic Art | London | A rating |
| LONDON ACCIDENT CLAIMS LIMITED | WALLINGTON | A rating |
| LONDON ACCOUNTANCY HUB LIMITED | London | A rating |
| LONDON ACCOUNTING FIRM LTD | London | A rating |
| LONDON AESTHETIC BEAUTY LTD | SOUTHALL | A rating |
| London Aesthetic Medicine Limited | London | A rating |
| London Aesthetics U.K Ltd | London | A rating |
| LONDON AIRPORT DRIVE LTD | Slough | A rating |
| London Alien Ltd | Wimbledon | A rating |
| London Aluminium Glazing (UK) LTD | Southall | A rating |
| London Ambulance Service NHS Trust | London | A rating |
| London and Oxford Capital Markets Ltd | London | A rating |
| London and Regional Hotel Management Limited | London | A rating |
| London and South East University Group | Greenwich | A rating |
| London and Surrey Montessori Schools Limited | Horley | A rating |
| London Arabia LTD | London | A rating |
| London Arabic Evangelical Church | London | A rating |
| London Art Collective | London | A rating |
| London Arts in Health Forum t/a London Arts and Health | London | A rating |
| LONDON AUTO CENTRE LIMITED | Ilford, | A rating |
| LONDON BANGLA EXPRESS LIMITED | London | A rating |
| LONDON BAPTIST CHURCH | LONDON | A rating |
| London Barberz Limited | Ilford | A rating |
| LONDON BASEMENT AND CELLARS LIMITED | London | A rating |
| LONDON BC TOURISM AND CONSTRUCTION TRADING COMPANY LTD | London | A rating |
| London Beacon Academy Ltd | Oldham | A rating |
| LONDON BEAR LIMITED | London | A rating |
| LONDON BEAUTY HOUSE LIMITED | London | A rating |
| LONDON BEDDING LIMITED | London | A rating |
| London Best Barber Limited | London | A rating |
| LONDON BEST BITES LIMITED | LONDON | A rating |
| London BodyWorks LTD | Tilbury | A rating |
| London Booking Network Ltd | London | A rating |
| London Bookkeeping Services Ltd | London | A rating |
| London Borough Haringey | Wood Green | A rating |
| London Borough of Barking & Dagenham | Barking | A rating |
| London Borough of Barnet | London | A rating |
| London Borough of Bexley | Bexleyheath | A rating |
| London Borough of Bromley | Bromley | A rating |
| London Borough of Camden | London | A rating |
| London Borough of Ealing | London | A rating |
| London Borough of Enfield | Middlesex | A rating |
| London Borough of Hackney | LONDON | A rating |
| London Borough of Hammersmith and Fulham | Hammersmith | A rating |
| London Borough of Harrow | Harrow | A rating |
| London Borough of Havering | Romford | A rating |
| London Borough of Hillingdon | Uxbridge | A rating |
| London Borough of Hounslow | Hounslow | A rating |
| London Borough of Islington | London | A rating |
| London Borough of Lambeth | London | A rating |
| London Borough of Lewisham | Catford | A rating |
| London Borough of Merton | Morden | A rating |
| London Borough of Newham Children and Young People's Service | London | A rating |
| London Borough of Redbridge | Ilford | A rating |
| London Borough of Richmond upon Thames | Kingston | A rating |
| London Borough of Sutton | Sutton | A rating |
| London Borough of Tower Hamlets | London | A rating |
| London Borough of Waltham Forest | London | A rating |
| London Borough Wandsworth | Wandsworth | A rating |
| London Boroughs Richmond upon Thames and Wandsworth | London | A rating |
| London Botanical Drinks Limited | London | A rating |
| London Bridge Associates Limited | London | A rating |
| London Bridge Desserts Ltd T/A Creams | London | A rating |
| London Bridge Electricians | London | A rating |
| London Bridge Hospital | London | A rating |
| LONDON BRIDGE HOSPITALITY LIMITED T/A Bermondsey Bierkeller | London, | A rating |
| London Brookes College | London | A rating |
| LONDON BUDDHIST VIHARA | CHISWICK | A rating |
| London Building Procurement Limited | London | A rating |
| London Business School | London | A rating |
| London Business Training and Consulting Ltd | LONDON | A rating |
| LONDON CAFE & SWEET BAR LIMITED T/A LONDON CAFE & SWEET BAR | Carlisle | A rating |
| London Capital Credit Union | London | A rating |
| London Car Services Limited | Stanmore | A rating |
| London Care Limited | Nottingham | A rating |
| LONDON CARPETS AND FLOORING LTD | ilford | A rating |
| LONDON CARS RENTAL LTD | London | A rating |
| LONDON CATERING SUPPLIES LTD | LUTON | A rating |
| London Central & West Unscheduled Care Collaborative Limited | London | A rating |
| London Central Mosque Trust Limited | London | A rating |
| London Central Portfolio Limited | London | A rating |
| London Centre for Training and Development Ltd | Bromley | A rating |
| London Chinatown Chinese Association | London | A rating |
| London Chinese Alliance Church | Harrow | A rating |
| London Chinese Baptist Church | London | A rating |
| London Christian School Ltd | London | A rating |
| LONDON CHURCHILL COLLEGE LTD | London | A rating |
| London City Airport Ltd | London | A rating |
| London City Ballet Limited | London | A rating |
| London City Bond Limited | Barking | A rating |
| LONDON CITY BUBBLE TEA LIMITED | LONDON | A rating |
| London City Fire (UK) LTD | London | A rating |
| London City Lawyers Limited | London | A rating |
| London City Mission | London | A rating |
| LONDON CITY SHOPFITTER LTD | Harlow | A rating |
| London City Stream Limited | Dagenham | A rating |
| London City View Ltd | London | A rating |
| London Clubs Management Limited | London | A rating |
| London Coffee Shops LTD | London | A rating |
| London College for Professionals | London | A rating |
| London College of Beauty Therapy | London | A rating |
| London College of Business Studies | Ilford | A rating |
| London College of Management and Technology London Limited | Hayes | A rating |
| London College of Marketing and Technology (LCMT) | London | A rating |
| London College of Media Ltd | West Midlands | A rating |
| London College of Professional Studies Ltd | London | A rating |
| London College of Science & Management LTD | Holborn | A rating |
| London Community Care Limited | London | A rating |
| London Community Credit Union | London | A rating |
| London Computer Centre Limited | Hammersmith | A rating |
| London Computer Recycling | London | A rating |
| London Condiment Co. Ltd | Aldermaston | A rating |
| LONDON CONSTRUCTION CONTRACTOR LTD | London | A rating |
| LONDON CONSTRUCTIONS AND CONTRACTORS LTD | LONDON | A rating |
| London Contemporary Dance (The Place) Limited | London | A rating |
| LONDON CREDIT LTD | London | A rating |
| London De Academy Limited | London | A rating |
| London Dental Clinics Ltd. | Essex | A rating |
| London Dental Smiles | London | A rating |
| London Design & Build Services Ltd | London | A rating |
| London Developers Holding Limited | London | A rating |
| London Development Property Company Limited | London | A rating |
| LONDON DEVICES LTD | PURLEY | A rating |
| London Dhaba & Caterers Limited | England | A rating |
| LONDON DIGITAL LAB LIMITED | London | A rating |
| London Diocesan Board for Schools | London | A rating |
| London Diocesan Fund | London | A rating |
| London Dog Grooming | london | A rating |
| LONDON DOMESTIC APPLIANCES (UK) LTD | London | A rating |
| LONDON DOSA LTD | London | A rating |
| LONDON DOZO LTD | LONDON | A rating |
| London Drainage Services Ltd | St Albans | A rating |
| LONDON DREAMS NOW LTD | LONDON | A rating |
| LONDON DRIED FLOWERS LIMITED | Hayes | A rating |
| LONDON EAGLES GROUP LTD | London | A rating |
| London East City Hotel Limited | London | A rating |
| London Economics | London | A rating |
| LONDON EDUCATION MANAGEMENT LTD | LONDON | A rating |
| London Energy Consultants LTD | Slough | A rating |
| London Energy Limited | London | A rating |
| London Engines Limited | Essex | A rating |
| London Enterprises Group Ltd | Walsall | A rating |
| LONDON ESPRESSO LIMITED | London | A rating |
| London EV Company Limited | Coventry | A rating |