| Lilia Rose Floral Design Ltd | Wholesale & retail | 2018 |
| Limbic Solutions Limited | Professional & scientific | 2019 |
| Linchpin Global Ltd | Professional & scientific | 2015 |
| LINK2GETHER Limited | Administrative & support | 2013 |
| Linthwaite Group Limited | Extraterritorial | 2011 |
| Linthwaite Holdings Limited | Extraterritorial | 1992 |
| Linthwaite Limited | Wholesale & retail | 1989 |
| Linthwaite Manufacturing Limited | Extraterritorial | 2013 |
| Linthwaite Property Holdings Limited | Financial services | 2021 |
| Linthwaite Topco Limited | Financial services | 2021 |
| Liseon Ltd | Professional & scientific | 2015 |
| Little Hollows Glamping Limited | Hospitality | 2021 |
| Little Verzons Farm Ltd | Manufacturing | 2017 |
| Living Memory Project CIC | Education | 2020 |
| Liwood (UK) Limited | Construction | 2012 |
| LMC Management Ltd | Households | 2014 |
| LMC Plastics Limited | Manufacturing | 2006 |
| Lobstercon Limited | Administrative & support | 2026 |
| Lock Stock and Barrel (Furniture) Ltd | Wholesale & retail | 2007 |
| Lucrative Investments Holdings Limited | Administrative & support | 2012 |
| Lugwardine Court Orchard Freeholders Limited | Households | 2004 |
| Lumen Creative Ltd | Information & communication | 2024 |
| Lunar Prints Ltd | Manufacturing | 2024 |
| Lyne Down Organics Limited | Agriculture & fishing | 2016 |
| M & B Bellamy Ltd | Professional & scientific | 2018 |
| M & L Halls Ltd | Health & social care | 2023 |
| M&M Utilities (SW) Limited | Construction | 2025 |
| M.H. Procurement Services Limited | Professional & scientific | 2024 |
| M.J.M. Woodworking Limited | Manufacturing | 2008 |
| M.L. Warner Construction & Fencing Ltd | Construction | 2008 |
| M50 Autos Ltd | Wholesale & retail | 2026 |
| MAD Moose Limited | Wholesale & retail | 2013 |
| Maeleigh Green Limited | Professional & scientific | 2012 |
| Maface Solutions Ltd | Manufacturing | 2010 |
| Maguire Property MDC Ltd | Construction | 2014 |
| Malthouse Café and Gallery Limited | Hospitality | 2017 |
| Malvair Investments Limited | Professional & scientific | 1997 |
| Malvair Properties Limited | Professional & scientific | 1970 |
| Malvern Hills Joinery Limited | Extraterritorial | 2013 |
| Managed Future Consulting Limited | Professional & scientific | 2009 |
| Marcel Ausset Building Construction & Renovation Ltd | Construction | 2020 |
| Marcle Oak Ltd | Hospitality | 2026 |
| Marda Associates Limited | Agriculture & fishing | 1998 |
| Marketing Yourself Limited | Administrative & support | 2007 |
| Marwyn Ltd | Construction | 2026 |
| Maycroft Properties Limited | Real estate | 2017 |
| ME Digital Media Ltd | Professional & scientific | 2025 |
| Meephill House Stables Limited | Agriculture & fishing | 2019 |
| Megan Baker House Ltd | Education | 2007 |
| Meraki Architecture Limited | Professional & scientific | 2019 |
| Merbuild Developments Limited | Real estate | 1990 |
| Merbuild Estates Limited | Financial services | 2025 |
| Merbuild Investments Limited | Financial services | 2025 |
| Merbuild Properties Limited | Real estate | 2002 |
| Mercian Developments Limited | Construction | 2012 |
| Mercian Properties Limited | Real estate | 1975 |
| Mercroft (Market Drayton) Limited | Construction | 2023 |
| Mercroft (Sherford) Limited | Construction | 2024 |
| Mercroft Estates Limited | Construction | 2022 |
| Merlin Energy Employee Trustees Limited | Professional & scientific | 2016 |
| Merlin Energy Resources Limited | Mining & quarrying | 1998 |
| Merrylegs Bar Limited | Arts & recreation | 2019 |
| Meta Mentoring Community Interest Company | Education | 2010 |
| Meycote Consulting Limited | Administrative & support | 2021 |
| Mhpc Limited | Professional & scientific | 2026 |
| Mick Parker Engineering Services Ltd | Professional & scientific | 2022 |
| Midway Convenience Ltd | Wholesale & retail | 2016 |
| Millfield Management (Canon Frome) Ltd. | Households | 1997 |
| Mind Pump Games Ltd | Information & communication | 2013 |
| Mirzam Limited | Information & communication | 2004 |
| Miso Communications Ltd | Information & communication | 2011 |
| Mojo Agricultural Services Limited | Construction | 2008 |
| Mother Farm Limited | Agriculture & fishing | 2007 |
| Movation Productions Limited | Arts & recreation | 1999 |
| MTM Investment Holdings Limited | Real estate | 2026 |
| Multex Ltd | Hospitality | 2024 |
| MX Tracks Ltd | Administrative & support | 2022 |
| N Dubai Properties Limited | Real estate | 2025 |
| N J Physiotherapy Ltd | Health & social care | 2022 |
| Naga Consultancy Limited | Manufacturing | 2016 |
| Nash END Barns Management Company Limited | Households | 2002 |
| Neos Delta Limited | Professional & scientific | 2024 |
| Neptune Blue Limited | Real estate | 2025 |
| Newberry International Produce Ltd | Wholesale & retail | 1996 |
| Newent Shipping Container Services Ltd | Transport & logistics | 2019 |
| Newtown Cross Garage Limited | Wholesale & retail | 2021 |
| Nicholas Builders UK Ltd | Construction | 2006 |
| NO12 Boutique Ltd | Wholesale & retail | 2022 |
| Numinis Limited | Information & communication | 2015 |
| Nunwell Court Management Company Limited | Other services | 2005 |
| Oasis Lodges and Glamping Limited | Administrative & support | 2023 |
| Oats & Frappe Limited | Agriculture & fishing | 2025 |
| OCC Hire Services Limited | Administrative & support | 2021 |
| Octava Holdings Limited | Administrative & support | 2012 |
| ODB Property Services Limited | Real estate | 2016 |
| Odberg Investments Ltd | Real estate | 2015 |
| OJT Enterprises Ltd | Wholesale & retail | 2026 |
| Okusha Limited | Professional & scientific | 2019 |
| Oman Productions Limited | Arts & recreation | 1968 |
| Orchard Crisps Limited | Manufacturing | 2013 |