| LWE Services Ltd | Construction | 2024 |
| LWG Logistics Ltd | Wholesale & retail | 2021 |
| LWJ North West Property Limited | Real estate | 2020 |
| LWN Investments Ltd | Real estate | 2026 |
| Lwps Development Limited | Construction | 2016 |
| Lwsp Fashion Ltd | Wholesale & retail | 2024 |
| LWV (Holdings) Limited | Real estate | 2018 |
| LWV Printworks Ltd | Arts & recreation | 2006 |
| LX Bar and Kitchen Limited | Hospitality | 2023 |
| LX6 Ltd | Financial services | 2023 |
| LXH 2023 Limited | Hospitality | 2023 |
| LXM Commercial Limited | Real estate | 2025 |
| LXM Limited | Wholesale & retail | 2010 |
| LY Assets Limited | Households | 2025 |
| LY Enterprises Limited | | 2010 |
| LY Nails Ltd | Other services | 2026 |
| LY Sports & Media Limited | Professional & scientific | 2018 |
| Lybe Limited | Real estate | 2020 |
| Lycconstruction Ltd | Construction | 2026 |
| Lycoll Convenience Limited | Wholesale & retail | 2014 |
| Lycoll Holdings Limited | Real estate | 2015 |
| LYDIA7 Ltd | Health & social care | 2019 |
| Lydiate Hall Farm Shop Ltd | Wholesale & retail | 2026 |
| Lydiate Learning Trust | Education | 2011 |
| Lydiate Services Company Limited | Arts & recreation | 2021 |
| Lydon Psychology Ltd | Health & social care | 2024 |
| Lylesfort (UK) Limited | Real estate | 2024 |
| Lymm Early Years Education Limited | Education | 2019 |
| LYN Ranod Ltd | Wholesale & retail | 2025 |
| Lynburn Developments Ltd | Construction | 2026 |
| Lynch Commercial Vehicle Hire Ltd | Administrative & support | 2025 |
| Lynch Health Enterprises Ltd. | Health & social care | 2022 |
| Lynch Solutions Limited | Construction | 2008 |
| Lynch Tech Engineering Limited | Professional & scientific | 2026 |
| Lynda Hair Design Limited | Administrative & support | 1997 |
| Lyndhurst Flat Management Company Limited | Real estate | 2004 |
| Lyndhurst Limited | Health & social care | 2003 |
| Lyndley Engineering Limited | Administrative & support | 2013 |
| Lyndon Oyadiran Ltd | Real estate | 2019 |
| Lyndsay Camello Hairdressing Limited | Other services | 2018 |
| Lynetech Ltd | Information & communication | 2014 |
| Lynix Capital Ltd | Information & communication | 2022 |
| Lynk Academy CIC | Education | 2025 |
| Lynndel Limited | Real estate | 2017 |
| Lynne Michaels Limited | Arts & recreation | 2001 |
| Lynstock Limited | Financial services | 2023 |
| Lynton Court Residents Association Limited | Households | 1992 |
| Lynton Transport Consulting Limited | Professional & scientific | 2025 |
| Lynwood Hall Management Company Limited | Administrative & support | 2009 |
| Lynwood Windows Limited | Wholesale & retail | 2020 |
| Lynx Construction Services Limited | Construction | 2024 |
| Lynx Hand Controls Ltd. | Manufacturing | 1993 |
| Lynx Loler Services Ltd | Professional & scientific | 2017 |
| Lynxads Limited | Information & communication | 2025 |
| Lyon Liverpool Construction Limited | Construction | 2022 |
| Lyons Prudencia 0467 Limited | Health & social care | 2014 |
| Lyra Solutions Limited | Information & communication | 2024 |
| Lytham Care Limited | Administrative & support | 2011 |
| Lytham Enterprises Limited | Other services | 2019 |
| Lyttle Sellers Ltd | Wholesale & retail | 2026 |
| Lyva Labs Limited | Financial services | 2022 |
| Lyver Design Limited | Wholesale & retail | 2019 |
| Lyver International Ltd | Construction | 2015 |
| L’Orizon - Andrew Black Trading Limited | Professional & scientific | 2023 |
| L’S Kitchen Event Catering Limited | Hospitality | 2024 |
| M & a Electrics Ltd | Other services | 2018 |
| M & a Motor UK Limited | Manufacturing | 2015 |
| M & B Investments (Liverpool) Limited | Real estate | 1955 |
| M & C Riley Holdings Limited | Financial services | 2026 |
| M & E Properties (North West) Limited | Real estate | 2020 |
| M & G Ventilation Limited | Administrative & support | 2016 |
| M & H Academy Limited | Arts & recreation | 2008 |
| M & H Decorating Limited | Construction | 2003 |
| M & H Electrical North West Limited | Construction | 2023 |
| M & H England Ltd | Wholesale & retail | 2020 |
| M & H Painting & Decorating Services Limited | Construction | 2011 |
| M & J Campervan Sales and Rentals Limited | Wholesale & retail | 2023 |
| M & J Properties (Merseyside) Limited | Real estate | 2004 |
| M & J Tierney Properties Ltd | Real estate | 2015 |
| M & K Green Limited | Transport & logistics | 1984 |
| M & K Hairdressings Ltd | Other services | 2022 |
| M & K Property Investments Limited | Real estate | 2000 |
| M & L Electrical Services (NW) Limited | Construction | 2021 |
| M & L Northwest Ltd | Construction | 2016 |
| M & M Business and Property Consultancy Limited | Real estate | 2024 |
| M & M Developments Northwest Limited | Real estate | 2018 |
| M & M Enterprise (NM) Limited | Wholesale & retail | 2025 |
| M & M News Limited | Wholesale & retail | 2025 |
| M & M Shop Limited | Wholesale & retail | 2025 |
| M & MA Services Ltd | Manufacturing | 2011 |
| M & N Day Trippers Ltd | Health & social care | 2022 |
| M & N Property Ltd | Real estate | 2016 |
| M & P Cubicles and Hardware Supplies Limited | Wholesale & retail | 2015 |
| M & P Properties NW Ltd | Real estate | 2022 |
| M & P Waste Management Limited | Water & waste | 2025 |
| M & Q Building Services Ltd | Households | 2017 |
| M & R Entertainment Limited | Real estate | 1999 |
| M & R Property Developers Ltd | Real estate | 2024 |
| M & R Tilers Ltd | Construction | 2008 |
| M & S Metal Recycling Limited | Water & waste | 2018 |