| Kingsnorth Developments Limited | Wholesale & retail | 2020 |
| Kohinoor of Kent Limited | Hospitality | 2023 |
| Kota One Ltd | Professional & scientific | 2018 |
| KPM Haulage Limited | Transport & logistics | 2002 |
| Kves Ltd | Professional & scientific | 2023 |
| L2X Ltd | Information & communication | 2025 |
| LA Danea Ltd | Hospitality | 2026 |
| Lamm Property Investments Limited | Real estate | 2017 |
| Lavender Training Solutions Ltd | Education | 2017 |
| Lawrence & Co Hythe Limited | Real estate | 2013 |
| LBD Wholesale Ltd | Wholesale & retail | 2018 |
| LDS Management Services Limited | Professional & scientific | 2019 |
| Lemlec Ltd | Construction | 2017 |
| Leon 365 Ltd | Construction | 2021 |
| LF Building Works Ltd | Construction | 2026 |
| Liberon Limited | Manufacturing | 1981 |
| Lilliott Hills Ltd | Administrative & support | 2013 |
| Limbu Transport Ltd | Transport & logistics | 2018 |
| Little Ballers Football Academy Ltd | Arts & recreation | 2024 |
| Little Red Chair Trading Co Ltd | Professional & scientific | 2024 |
| Littlestone Court Residents Association Limited | Households | 1985 |
| Littlestone Hotel Ltd | Hospitality | 2003 |
| Littlestone Prime View Estates Limited | Households | 2016 |
| Living History Workshops Limited | Education | 2018 |
| Living Hope | Extraterritorial | 2014 |
| London Sound Engineering Ltd | Administrative & support | 2019 |
| Longcroft Building Ltd | Other services | 2017 |
| LOU & BEV Ltd | Other services | 2003 |
| LRP Enterprises Ltd | Information & communication | 2014 |
| LTM Haulage Ltd | Transport & logistics | 2018 |
| Lucidtrack Ltd | Education | 2026 |
| Ludlow Investments Ltd | Real estate | 2022 |
| Luxaf Ltd | Wholesale & retail | 2025 |
| Luxe Leopard Ltd | Wholesale & retail | 2026 |
| Lynch Aided Engineering Limited | Professional & scientific | 2019 |
| Lyons Mechanical Ltd | Construction | 2020 |
| M & D Perrins Property Services Ltd | Construction | 2026 |
| M S Painting and Decorating Limited | Construction | 2015 |
| M&O Mobile Mechanics Ltd | Wholesale & retail | 2022 |
| M.A.R Services and Maintenance Limited | Manufacturing | 2018 |
| Madsen Advisory Limited | Administrative & support | 2016 |
| Mamora Bay Media Ltd | Arts & recreation | 2012 |
| Manor House (Lydd) Management Company Limited | Real estate | 2019 |
| Marsh Aero Services Ltd | Professional & scientific | 2024 |
| Marsh Commercial Ltd | Real estate | 2025 |
| Marsh Media Limited | Information & communication | 2015 |
| Marsh Medical Secretaries Ltd | Health & social care | 2013 |
| Marsh Motor Holdings Ltd | Real estate | 2025 |
| Marsh Motor Mechanics Ltd | Wholesale & retail | 2003 |
| Marsh Scaffolding Ltd | Construction | 2017 |
| Marsh View Management Company Limited | Administrative & support | 2015 |
| Martello Interiors Ltd | Wholesale & retail | 2006 |
| Mason Hill Consulting Limited | Administrative & support | 2018 |
| Matilda Designs Limited | Wholesale & retail | 2014 |
| Matters 2 YOU Limited | Wholesale & retail | 2022 |
| Mc&A Services Ltd | Transport & logistics | 2018 |
| Mcmartians Properties Limited | Real estate | 2024 |
| MCT Cleaning Limited | Administrative & support | 2021 |
| Meadow Tree Marquee and Events Limited | Administrative & support | 2026 |
| Medz Engineering Ltd | Construction | 2018 |
| Menary Consultancy Ltd | Professional & scientific | 2019 |
| Menary Management Ltd | Hospitality | 2025 |
| Micky's Promotions Ltd | Arts & recreation | 2025 |
| Mickys Boxing Academy Ltd | Arts & recreation | 2025 |
| Military Road Management Company Limited | Households | 1987 |
| Mimi HT Ltd | Other services | 2025 |
| Mission Menswear Limited | Wholesale & retail | 1990 |
| Mitcham Associates Ltd | Construction | 2009 |
| MJH Noble Limited | Construction | 2010 |
| MO Valley Ltd | Wholesale & retail | 2022 |
| Mont Calm Asset Management Limited | Real estate | 2017 |
| Montybp Ltd | Health & social care | 2023 |
| Morpheus Finance Solutions Ltd | Administrative & support | 2014 |
| Morpheus Insurance Solutions Ltd | Financial services | 2014 |
| Motor City M Ltd | Manufacturing | 2019 |
| MR & MRS Quantrill Ltd | Hospitality | 2024 |
| MR Breckz Limited | Wholesale & retail | 2018 |
| Msdc Group Holding Ltd | Financial services | 2025 |
| Msdc Works Ltd | Professional & scientific | 2025 |
| My Healer Ltd | Other services | 2020 |
| N7 Nails Studio Ltd | Other services | 2026 |
| Nana & Ohemaa Ltd | Health & social care | 2022 |
| Nat'Ural Hair Design Ltd | Other services | 2012 |
| NAV OH Services Ltd | Health & social care | 2018 |
| NB Security Solutions Limited | Administrative & support | 2023 |
| ND Talent Group Limited | Arts & recreation | 2025 |
| Nest Bliss Limited | Real estate | 2023 |
| New Hong Kong Limited | Hospitality | 2017 |
| New Romney Bowls Club,Limited | Arts & recreation | 1944 |
| New Romney Counselling Services Ltd | Wholesale & retail | 2000 |
| New Romney Pet Shop Ltd | Wholesale & retail | 2022 |
| New Romney Sports Club Ltd | Arts & recreation | 2025 |
| Next Level Balustrades Limited | Construction | 2019 |
| Next One Technology Ltd. | Other services | 2019 |
| NFW Station Road Kebab Ltd | Hospitality | 2024 |
| Nick Evans Plumbing and Heating Limited | Construction | 2018 |
| NOA and Nani Limited | Wholesale & retail | 2013 |
| Noak Logistics Ltd | Information & communication | 2021 |
| Noak Storefront Ltd. | Wholesale & retail | 2020 |
| Norman Architects Ltd | Professional & scientific | 2005 |