| Leverington Investments Limited | Real estate | 2026 |
| Live Connections Fibre Ltd | Construction | 2026 |
| Living by David Lloyd Ltd | Real estate | 2026 |
| Livon Ltd | Wholesale & retail | 2025 |
| London Toy Store Ltd | Wholesale & retail | 2025 |
| Lotus Capo Ltd | Arts & recreation | 2024 |
| Louis Smith Management Limited | Arts & recreation | 2009 |
| Lowpass Ltd | Arts & recreation | 2025 |
| Lujem Ltd | Wholesale & retail | 2025 |
| Lukejonesmusic LLP | | 2025 |
| Lumascendia (Mlharris.Com) Ltd | Professional & scientific | 2026 |
| Lumira Solutions Limited | Information & communication | 2023 |
| Lumos Systems Ltd | Information & communication | 2026 |
| Luna London Technologies Ltd | Wholesale & retail | 2017 |
| Lyca Glazing Limited | Construction | 2014 |
| M&S Accounting Services Ltd | Professional & scientific | 2015 |
| M.E. (UK) Evolution Ltd | Information & communication | 2011 |
| M.I.Evolution Limited | Real estate | 2016 |
| Mabinty Esho People & Culture UK Ltd | Wholesale & retail | 2025 |
| Machine Media Limited | Wholesale & retail | 2025 |
| Madagascar Treasures and Essentials Ltd | Wholesale & retail | 2025 |
| Made by Risc Ltd | Information & communication | 2022 |
| Madson Interim Solutions Ltd | Professional & scientific | 2008 |
| Mahmood ALI Ltd | Wholesale & retail | 2026 |
| Makkan Ltd | Real estate | 2020 |
| Mammas Earth UK Ltd | Wholesale & retail | 2025 |
| Manara Group Ltd | Education | 2021 |
| Mann Mechanics Ltd | Information & communication | 2026 |
| Manncert Ltd | Professional & scientific | 2026 |
| Marine Global Ltd | Professional & scientific | 2024 |
| Marriott Entertainment Ltd | Administrative & support | 2018 |
| Maru Cloud LP | | 2019 |
| Marugenn Ltd | Wholesale & retail | 2025 |
| Masihmo Limited | Real estate | 2019 |
| Mattorigus Studios Ltd | Manufacturing | 2024 |
| Mayeda Ltd | Administrative & support | 2024 |
| MED ARB INT Limited | Professional & scientific | 2025 |
| Meintein Ltd | Information & communication | 2025 |
| Melp Co Ltd | Education | 2023 |
| Meremus Limited | Arts & recreation | 2025 |
| Mesmerise Global Limited | Information & communication | 2016 |
| Mesmerise Solutions UK Limited | Professional & scientific | 2023 |
| MET Removals Ltd | Transport & logistics | 2026 |
| Mickey Murphy's Daughter Limited | Administrative & support | 2009 |
| MO Endeavors Ltd | Information & communication | 2025 |
| Montford Group Ltd | Wholesale & retail | 2025 |
| Moodeaser Ltd | Information & communication | 2025 |
| Mortimer Sandhurst Limited | Financial services | 2025 |
| Movement and Mindset Limited | Education | 2023 |
| MP Private Care Ltd | Health & social care | 2023 |
| MS Wholesale Supplies Ltd | Water & waste | 2025 |
| Muhammad Irshad Ltd | Wholesale & retail | 2025 |
| Murphy Events Limited | Administrative & support | 2009 |
| My Bright Group Ltd | Professional & scientific | 2016 |
| My Business Shop Limited | Wholesale & retail | 2016 |
| Nbio Ltd | Wholesale & retail | 2025 |
| Netpulls Ltd | Information & communication | 2026 |
| Neuvalis Ltd | Other services | 2025 |
| Nexavista Capital Ltd | Financial services | 2024 |
| Nexavista Global Investments Ltd | Financial services | 2024 |
| Nexavista Renewables Ltd | Professional & scientific | 2025 |
| Nexavista Ventures Ltd | Financial services | 2024 |
| Nexzon Suppliers Limited | Wholesale & retail | 2025 |
| Ngocho Limited | Information & communication | 2014 |
| Nitoville Limited | Information & communication | 2024 |
| NO Rome Worldwide Ltd | Administrative & support | 2018 |
| Noble Legacy Publishing Ltd | Information & communication | 2025 |
| Noorence Ltd | Wholesale & retail | 2025 |
| Nordengel Estates Limited | Real estate | 2024 |
| Northleigh Investments Limited | Wholesale & retail | 2022 |
| NYX Agency Ltd. | Arts & recreation | 2020 |
| Okbel Technologies Ltd | Information & communication | 2019 |
| Olys Telecom Ltd | Information & communication | 2024 |
| Only Good Songs Ltd | Information & communication | 2026 |
| Onyx Property Old Limited | Real estate | 2020 |
| Onyx Property Team Limited | Real estate | 2012 |
| Opulent Executive Travel Ltd | Transport & logistics | 2024 |
| Organised Chaos Management Ltd | Arts & recreation | 2023 |
| Orion Global Ventures Ltd | Wholesale & retail | 2026 |
| Outsiders Tours Ltd | Arts & recreation | 2025 |
| Outsiders Worldwide Ltd | Information & communication | 2022 |
| Oxtavia Health Ltd | Information & communication | 2025 |
| Pami̇langa Limited | Wholesale & retail | 2025 |
| Paraplan Pro Ltd | Financial services | 2024 |
| Pathways Ventures Ltd | Health & social care | 2026 |
| Paula Zerath Ltd | Wholesale & retail | 2026 |
| Peploe Property Development Ltd | Real estate | 2025 |
| Percy & Warren Limited | Professional & scientific | 2020 |
| Phase+Flow Ltd | Construction | 2021 |
| Pigment Pony Ltd | Other services | 2025 |
| PLATINUM78 Digital Ltd | Professional & scientific | 2024 |
| Porceslona Ltd | Professional & scientific | 2025 |
| Potari Studio Limited | Wholesale & retail | 2025 |
| PPC Partner Limited | Professional & scientific | 2020 |
| Prepare to Pass Driving School Limited | Education | 2026 |
| Prestige Legal Solutions Limited | Professional & scientific | 2025 |
| Primevo Ltd | Wholesale & retail | 2025 |
| Prince Prime Stays Ltd | Real estate | 2026 |
| Pristine Haven Properties Ltd | Hospitality | 2025 |
| Problem Child Entertainment Ltd | Wholesale & retail | 2018 |