| Kanlan Trading Ltd | Wholesale & retail | 2025 |
| KEE Catering Limited | Hospitality | 2021 |
| Keiria Trading Ltd | Wholesale & retail | 2025 |
| Keliym Ltd | Wholesale & retail | 2025 |
| Kewei Trading Ltd | Wholesale & retail | 2025 |
| Kilnwood Alpacas | | 1999 |
| Kimberley's Estate Agents Ltd | Real estate | 2006 |
| Kingspan Insulation Limited | Construction | 1985 |
| Kingstoke Ltd. | Real estate | 1996 |
| Kiuzou Medical Technology Co., Ltd. | Administrative & support | 2020 |
| Kristal D & D Limited | Construction | 2001 |
| KT Empire Ltd | Wholesale & retail | 2025 |
| Kunyuan Trading Ltd | Wholesale & retail | 2025 |
| Kyrle Rubber Co. Limited | Manufacturing | 1970 |
| L. Evans and SON (Hereford) Limited | Wholesale & retail | 1986 |
| Lanhong Trading Ltd | Wholesale & retail | 2025 |
| Lanming Trading Ltd | Wholesale & retail | 2025 |
| Lanping Trading Ltd | Wholesale & retail | 2025 |
| Lanyu Trading Ltd | Wholesale & retail | 2025 |
| Lawton Cross Limited | Wholesale & retail | 2005 |
| LE Hanrui Trading Limited | Wholesale & retail | 2023 |
| Ledbury Developments Limited | Real estate | 1973 |
| Ledbury Fencing Limited | Construction | 2003 |
| Ledbury Sales & Innovations Limited | Wholesale & retail | 2007 |
| Ledbury Storage Limited | Real estate | 2003 |
| Leihe Trading Ltd | Wholesale & retail | 2025 |
| Lena Trading Ltd | Wholesale & retail | 2025 |
| LEO Pest Control Environment Services Limited | Agriculture & fishing | 2007 |
| Leominster 3 Piece Suites Limited | Wholesale & retail | 2006 |
| Leominster Engineering Limited | Manufacturing | 1976 |
| Leominster Farm Supplies Limited | Wholesale & retail | 1970 |
| Leominster Properties Limited | Real estate | 1961 |
| Lida Global International Ltd | Wholesale & retail | 2025 |
| Lifei Trading Ltd | Wholesale & retail | 2025 |
| Lihang Trading Ltd | Wholesale & retail | 2025 |
| Lihao Trading Ltd | Wholesale & retail | 2025 |
| Lingchi Trading Ltd | Wholesale & retail | 2025 |
| Linghong Trading Ltd | Wholesale & retail | 2025 |
| Linghua Trade Ltd | Wholesale & retail | 2024 |
| Lingjing Trading Ltd | Wholesale & retail | 2025 |
| Linglan Trade Ltd | Wholesale & retail | 2024 |
| Lingt Trade Ltd | Wholesale & retail | 2024 |
| Lingyou Trading Ltd | Wholesale & retail | 2025 |
| Linhua Trading Ltd | Wholesale & retail | 2025 |
| Linming Trading Ltd | Wholesale & retail | 2025 |
| Linsum Trading Limited | Wholesale & retail | 2023 |
| Linxiang Trading Ltd | Wholesale & retail | 2025 |
| Linyan Trading Ltd | Wholesale & retail | 2025 |
| Lionk Stream Media Limited | Wholesale & retail | 2025 |
| Liqiong Trading Ltd | Wholesale & retail | 2025 |
| Liting Ltd | Administrative & support | 2025 |
| Little Acorns Day Nursery Limited | Education | 2001 |
| Liut Ltd | Wholesale & retail | 2025 |
| Liyang Trading Ltd | Wholesale & retail | 2025 |
| Lofthouse Hill Golf Limited | Arts & recreation | 1998 |
| Longchen Trading Ltd | Wholesale & retail | 2025 |
| Longe Flyngyeth Limited | Extraterritorial | 2011 |
| Longhong Trading Ltd | Wholesale & retail | 2025 |
| Longju Trading Ltd | Wholesale & retail | 2025 |
| Longjun Trading Ltd | Wholesale & retail | 2025 |
| Longsheng Trading Ltd | Wholesale & retail | 2025 |
| Longyu Trading Ltd | Wholesale & retail | 2025 |
| Loop Scorpio Limited | Information & communication | 2001 |
| LSB Furniture Holdings Limited | Wholesale & retail | 2020 |
| Luckyip Limited | Professional & scientific | 2025 |
| Lume Base Ltd | Wholesale & retail | 2025 |
| Lumina Foundry Limited | Wholesale & retail | 2025 |
| Lumnip Limited | Wholesale & retail | 2025 |
| Lunaris Commerce Ltd | Information & communication | 2025 |
| Lunguang Trading Ltd | Wholesale & retail | 2025 |
| Lunji Co., Ltd | Administrative & support | 2024 |
| Lunning Trading Ltd | Wholesale & retail | 2025 |
| Lunteng Trading Ltd | Wholesale & retail | 2025 |
| Luolin Trade Ltd | Wholesale & retail | 2024 |
| Lvcha Trade Ltd | Wholesale & retail | 2024 |
| M J Mark Limited | Wholesale & retail | 2003 |
| M.A.S. (Bromyard) Limited | Construction | 1992 |
| M.J.Ainge & Co.Limited | Wholesale & retail | 1973 |
| Magna Electronics Limited | Manufacturing | 1999 |
| Mahui Trading Ltd | Wholesale & retail | 2025 |
| Manchuang Trading Ltd | Wholesale & retail | 2025 |
| Maocheng Trading Ltd | Wholesale & retail | 2025 |
| Maochun Trade Ltd | Wholesale & retail | 2025 |
| Maplaf Tree Ltd | Wholesale & retail | 2024 |
| Maplin (UK) Limited | Wholesale & retail | 2012 |
| Masefield Solicitors LLP | | 2007 |
| Maxmajor Limited | Wholesale & retail | 2025 |
| Meichai Technology Ltd | Wholesale & retail | 2025 |
| Meidong Trading Ltd | Wholesale & retail | 2025 |
| Meifang Trading Co., Ltd | Manufacturing | 2025 |
| Meravix Commerce Ltd | Wholesale & retail | 2025 |
| Meta (UK) Limited | Professional & scientific | 2000 |
| Meteor Span Ltd | Wholesale & retail | 2024 |
| Miaoda Trading Ltd | Wholesale & retail | 2025 |
| Miaojiang Trading Ltd | Wholesale & retail | 2025 |
| Miaoshi Trading Ltd | Wholesale & retail | 2025 |
| Miaozhi Trading Ltd | Wholesale & retail | 2025 |
| Microflight Tuition & Sales Limited | | 1985 |
| Micron Sprayers Limited | Manufacturing | 1954 |
| Micross Automation Systems Limited | Extraterritorial | 1999 |