| Loft Self Storage Ltd | Transport & logistics | 2022 |
| Logan Operations Limited | Real estate | 2015 |
| Logan Tree Care Limited | Agriculture & fishing | 2007 |
| Logfac Ltd | Transport & logistics | 2023 |
| Logfac Properties Ltd | Real estate | 2025 |
| Loggins Property Ltd | Real estate | 2021 |
| Logic 52 Ltd | Transport & logistics | 2019 |
| Logic Aluminium Systems Limited | Manufacturing | 2003 |
| Logic Communications Ltd | Real estate | 2010 |
| Logic Controls Limited | Professional & scientific | 2000 |
| Logic Facades Limited | Manufacturing | 2022 |
| Logic Programming Associates Limited | Information & communication | 1980 |
| Logicstart Limited | Manufacturing | 1992 |
| Logicsteel Engineering UK Ltd | Information & communication | 2018 |
| Logista Ltd | Real estate | 2025 |
| Logistic Designs Limited | Manufacturing | 1994 |
| Logistic Driver Services Ltd | Administrative & support | 2017 |
| Logistica Professional Recruitment Limited | Administrative & support | 2017 |
| Logistical Ltd | Wholesale & retail | 2012 |
| Logistical World Ltd | Transport & logistics | 2022 |
| Logistics Leaders Limited | Transport & logistics | 2019 |
| Logix BPO Ltd | Professional & scientific | 2023 |
| Logo International Limited | Administrative & support | 2003 |
| Logomeup Limited | Manufacturing | 2014 |
| Logonbox Limited | Information & communication | 2011 |
| Loki Recordings Limited | Information & communication | 2010 |
| Lola Socks Ltd | Wholesale & retail | 2025 |
| Lolantos Limited | Health & social care | 2013 |
| Lomas Electrical Services Limited | Construction | 2015 |
| Lomas Locums Limited | Administrative & support | 2023 |
| Lomcon Investments Ltd | Real estate | 2016 |
| Loncom Consulting Ltd | Information & communication | 2021 |
| London & Provincial Properties Limited | Extraterritorial | 1986 |
| London Care Limited | Health & social care | 1995 |
| London Care Servco Limited | Professional & scientific | 2019 |
| London Ecohomes Limited | Construction | 2013 |
| London Ecohomes Project 1 Limited | Real estate | 2017 |
| London Ecohomes Project 9 Limited | Construction | 2017 |
| London Glam Ltd | Wholesale & retail | 2026 |
| London Office Limited | Administrative & support | 2018 |
| London Silk Hotels Limited | Hospitality | 2021 |
| London Star Ltd | Wholesale & retail | 2018 |
| London Thames Hydrogen Limited | Professional & scientific | 2024 |
| Lone Consulting Ltd | Other services | 2012 |
| Long Bennington Fisheries Ltd | Hospitality | 2026 |
| Long Eaton 1970 Limited | Extraterritorial | 2015 |
| Long Eaton Appliance Co Ltd | Wholesale & retail | 2001 |
| Long Eaton Art Room | Arts & recreation | 2010 |
| Long Eaton Bespoke Furniture Ltd | Manufacturing | 2025 |
| Long Eaton Building Plastics Limited | Wholesale & retail | 2016 |
| Long Eaton Colonics Ltd | Health & social care | 2023 |
| Long Eaton Eyecare Limited | Other services | 1992 |
| Long Eaton Fast Foods Ltd | Hospitality | 2025 |
| Long Eaton Fencing Supplies Limited | Manufacturing | 2000 |
| Long Eaton Films CIC | Information & communication | 2025 |
| Long Eaton Flats Ltd | Real estate | 2024 |
| Long Eaton Frame Makers Limited | Manufacturing | 2018 |
| Long Eaton Glass and Glazing Ltd | Construction | 2026 |
| Long Eaton Glass Limited | Construction | 2005 |
| Long Eaton Healthcare Ltd | Wholesale & retail | 2012 |
| Long Eaton Local Shop Ltd | Wholesale & retail | 2024 |
| Long Eaton Metals Limited | Wholesale & retail | 2012 |
| Long Eaton MOT & Service Centre Limited | Wholesale & retail | 2017 |
| Long Eaton Motor Factors Limited | Wholesale & retail | 2019 |
| Long Eaton Pizza Ltd | Hospitality | 2022 |
| Long Eaton Plumbers Merchant Limited | Wholesale & retail | 2009 |
| Long Eaton Property Developments Ltd | Construction | 2025 |
| Long Eaton Services Limited | Transport & logistics | 2015 |
| Long Eaton United Football Club Limited | Arts & recreation | 2016 |
| Long Eaton United Football Trading Limited | Arts & recreation | 2018 |
| Long Itchington Ltd | Administrative & support | 2022 |
| Long Live Medics Ltd | Health & social care | 2023 |
| Long Moon Limited | Arts & recreation | 2024 |
| Long Term Futures Ltd | Administrative & support | 2017 |
| Longacre Bingham (2005) Management Limited | Households | 2005 |
| Longbow Enterprises Ltd | Hospitality | 2022 |
| Longbridge Auto's Limited | Wholesale & retail | 2004 |
| Longbridge Motor Spares Ltd | Wholesale & retail | 2018 |
| Longcliffe Properties Limited | Construction | 1957 |
| Longdale Nurseries Ltd. | Extraterritorial | 1997 |
| Longden Mill (Nottingham) RTM Company Limited | Households | 2025 |
| Longden Mill (Nottinghamshire) RTM Company Limited | Households | 2025 |
| Longeaton Express Ltd | Wholesale & retail | 2026 |
| Longeaton Grocers Limited | Wholesale & retail | 2025 |
| Longmore Recruitment Ltd | Administrative & support | 2026 |
| Longpods Removals & Storage Limited | Transport & logistics | 2021 |
| Longsite Limited | Professional & scientific | 1986 |
| Longwood Maven Ltd | Professional & scientific | 2022 |
| Longworth Associates Limited | Real estate | 2004 |
| Look Sharp Barbers Ltd | Other services | 2019 |
| Look-In Limited | Professional & scientific | 1997 |
| LOOK4IDEAS Designs LLP | | 2010 |
| Looking on Point Ltd | Other services | 2020 |
| Lookinsideyourself Ltd | Wholesale & retail | 2025 |
| Loome Loom Ltd | Manufacturing | 2025 |
| Loomis Holding UK Limited | Professional & scientific | 1991 |
| Loomis International (UK) Limited | Transport & logistics | 1998 |
| Loomis Investments US Limited | Financial services | 2011 |
| Loomis Pharma (UK) Limited | Transport & logistics | 2022 |
| Loomis UK Finance Company Limited | Financial services | 2011 |