| Love & HAR Bhui Construction Limited | Construction | 2019 |
| Love London Fitness Limited | Arts & recreation | 2014 |
| Love Nails 66 Ltd | Other services | 2025 |
| Love Pumice Limited | Wholesale & retail | 2015 |
| Love the Menu Limited | Hospitality | 2025 |
| Love Tripletts Tennis Academy Limited | Arts & recreation | 2025 |
| Loveablesexycurves CLT Health Ltd | Wholesale & retail | 2020 |
| Lovehairbeauty Limited | Other services | 2025 |
| Lovehairbeautyspa Ltd | Other services | 2021 |
| Lovell Building & Maintenance Services Ltd | Construction | 2021 |
| Lovely Home Genies Ltd | Other services | 2022 |
| Lovelyone Enterprises Ltd | Other services | 2022 |
| Lovers World Ltd | Wholesale & retail | 2023 |
| Loveubrands Ltd | Wholesale & retail | 2015 |
| Lovish Ltd | Wholesale & retail | 2018 |
| LOW Bills Marketing Ltd | Energy | 2014 |
| LOW Cost Price Fabrics Limited | Wholesale & retail | 2013 |
| LOW Price Move Ltd | Real estate | 2018 |
| Lowbrook Grove Company Ltd | Agriculture & fishing | 2023 |
| Lower Meadow Limited | Real estate | 2025 |
| Lowestoft Properties Ltd | Real estate | 2015 |
| Lowfield Developments Limited | Hospitality | 1991 |
| Loxdon International Ltd | Wholesale & retail | 2024 |
| Loxds Ltd | Education | 2026 |
| Loxford East Limited | Professional & scientific | 2022 |
| Loxford Muslim Society | Education | 2012 |
| Loxford School Trust Limited | Education | 2013 |
| Loxford Solicitors Ltd | Professional & scientific | 2026 |
| Loxford Tutors Ltd | Education | 2026 |
| Loxon Services Limited | Information & communication | 2025 |
| Loyal Consulting Limited | Other services | 2016 |
| Loyal Immigration Limited | Professional & scientific | 2013 |
| Loyal Investors Ltd | Real estate | 2026 |
| Loyal Prestige Commerce Limited | Transport & logistics | 2025 |
| Loyal Technologies Limited | Information & communication | 2014 |
| Loyal Trade Express Limited | Wholesale & retail | 2024 |
| Loyal Travel Ltd | Administrative & support | 2025 |
| Loyalty Financial Consultancy Ltd | Financial services | 2019 |
| Loyds Matchmakers Ltd | Other services | 2024 |
| Loyee Ltd | Wholesale & retail | 2020 |
| Loyus PR Ltd | Professional & scientific | 2018 |
| Loztrans Ltd | Administrative & support | 2017 |
| LP Luxe Nails Ltd | Other services | 2025 |
| LP Transformation Consulting Ltd | Information & communication | 2026 |
| LPA Property Limited | Real estate | 2013 |
| Lpctc Ltd | Wholesale & retail | 2026 |
| Lpfc Richnev Ltd | Construction | 2018 |
| LPS Estates Ltd | Real estate | 2025 |
| LQ Property Finance Limited | Financial services | 2016 |
| LR Glazing UK Ltd | Manufacturing | 2025 |
| LRH Carpentry Limited | Construction | 2017 |
| Lrja Creator Ltd | Professional & scientific | 2021 |
| LS Accountants Services Ltd | Professional & scientific | 2020 |
| LS Construction Maintenance Ltd | Construction | 2024 |
| LS Group Limited | Real estate | 2019 |
| LSA Builders Ltd | Construction | 2016 |
| LSB Optics Ltd | Wholesale & retail | 2026 |
| LSC Midlands Ltd | Real estate | 2022 |
| LSF Electrical Engineers Limited | Construction | 2009 |
| LSG Management Ltd | Wholesale & retail | 2021 |
| LSH Car Wash Ltd | Other services | 2016 |
| LSM Trading UK Ltd | Wholesale & retail | 2024 |
| LSP Investments Ltd | Real estate | 2019 |
| Lsrr Enterprise Ltd | Information & communication | 2020 |
| LSS Assets Ltd | Real estate | 2022 |
| LSS Builders Ltd | Construction | 2025 |
| LSS Rapid Ltd | Transport & logistics | 2024 |
| LT Electrics Ltd | Construction | 2025 |
| LT Finger Ltd | Hospitality | 2019 |
| Ltgf Ltd | Construction | 2025 |
| LU & AY Property Services LLP | | 2025 |
| LU Cleaners Services Ltd | Administrative & support | 2026 |
| Lu&Mar Limited | Construction | 2017 |
| Luca B Services Limited | Water & waste | 2017 |
| Luca Electric Limited | Construction | 2015 |
| Luca Spatola Properties Limited | Real estate | 2022 |
| LUCA14 Ltd | Wholesale & retail | 2025 |
| Lucas Construction Ltd | Construction | 2025 |
| Lucian James and Warton Ltd | Wholesale & retail | 2015 |
| Lucid Funding Partners Ltd | Financial services | 2024 |
| Lucid Records Limited | Information & communication | 2022 |
| Lucilla Schoolwear Ltd | Wholesale & retail | 2018 |
| Lucky 8 Hotels International Ltd | Extraterritorial | 2015 |
| Lucky Food Store Limited | Wholesale & retail | 2023 |
| Lucky Mobile Massage Limited | Health & social care | 2025 |
| Lucky Prime Store Ltd | Wholesale & retail | 2024 |
| Lucky Souvlaki Suffolk Ltd | Hospitality | 2025 |
| Lucky's Coffee Shop Ltd | Hospitality | 2021 |
| Lucky's Grill Ltd | Hospitality | 2024 |
| Lucky's Hairdressers Ltd | Other services | 2019 |
| Luckybeatle Ltd | Wholesale & retail | 2025 |
| LUCKYY777 Limited | Transport & logistics | 2019 |
| Lucrative Business Solutions Ltd | Administrative & support | 2022 |
| Lucy & Martin Limited | Transport & logistics | 2010 |
| Lucy Clyde Psychotherapy Ltd | Health & social care | 2025 |
| LUD Recruitment Ltd | Health & social care | 2025 |
| Ludi Properties Ltd | Real estate | 2017 |
| Lueur Beauty Ltd | Other services | 2018 |
| Luhaiz Ltd | Wholesale & retail | 2025 |
| Luin Estates Ltd | Real estate | 2026 |