| MJC Pioneer Ventures Limited | Real estate | 2023 |
| Mkns Properties Ltd | Real estate | 2026 |
| Mltdb Limited | Information & communication | 2023 |
| MNB Properties Limited | Real estate | 2013 |
| Mocha Mecca Limited | Hospitality | 2025 |
| Mohammed 786 Ltd | Hospitality | 2025 |
| Mome Group Limited | Hospitality | 2024 |
| Moody and Bradshaw LLP | | 2019 |
| Moroccan Bazaar Limited | Real estate | 2011 |
| Moroccan Bazaar Properties Limited | Construction | 2005 |
| Morphia Designs UK Limited | Professional & scientific | 2012 |
| Mousicos Holdings Ltd | Financial services | 2021 |
| Move Direct Estate Agents Ltd | Real estate | 2012 |
| MR. Bigz Investments Ltd | Real estate | 2020 |
| MR. Tortoise Limited | Wholesale & retail | 2019 |
| MTD Partners Ltd | Professional & scientific | 2023 |
| Mummy J Fashions Limited | Wholesale & retail | 2013 |
| Munkoh Limited | Construction | 2014 |
| Murus.Art Limited | Wholesale & retail | 2019 |
| Mutable Ltd | Financial services | 2023 |
| My Gammie's Ltd | Manufacturing | 2015 |
| My Industry Ltd | Wholesale & retail | 2025 |
| My Kebab (London) Ltd | Hospitality | 2022 |
| Myoshka Ltd | Professional & scientific | 2014 |
| MZS Group Ltd | Hospitality | 2025 |
| MZS Trio Group Ltd | Hospitality | 2026 |
| N&M Consulting Limited | Administrative & support | 2012 |
| Nadeem Bedding Limited | Wholesale & retail | 2009 |
| Nafgold Properties Limited | Real estate | 1987 |
| Nancy MAY Music Limited | Information & communication | 2017 |
| National Transport Services Group Limited | Transport & logistics | 2021 |
| Native Home Limited | Real estate | 2023 |
| Naxxar Ltd | Construction | 2020 |
| NEED2PASS Services Limited | Professional & scientific | 2023 |
| Nessknoll Limited | Real estate | 1977 |
| Nestcom Limited | Professional & scientific | 2013 |
| Neurographicai Ltd | Arts & recreation | 2025 |
| NH Prime Logistics Ltd | Transport & logistics | 2026 |
| NHA Enterprise Limited | Construction | 2020 |
| Nick Harvey Music Limited | Information & communication | 2011 |
| Nicoli Limited | Financial services | 2025 |
| Nikollas Developments Ltd | Construction | 2022 |
| Nisi Developments Limited | Construction | 2024 |
| Nkdd Limited | Real estate | 2025 |
| Nomadic Trader Ltd | Hospitality | 2019 |
| Nomel Fire Solutions Ltd | Construction | 2025 |
| Norton Folgate Solicitors LLP | | 2008 |
| NZT48 Vanguard Ltd | Professional & scientific | 2022 |
| Object Design Ltd | Manufacturing | 2016 |
| Object Property Investments Limited | Real estate | 2023 |
| Ocean Global Limited | Construction | 2005 |
| Octopod Planning Ltd | Professional & scientific | 2022 |
| Octta Properties Ltd | Real estate | 2021 |
| Omicro Properties Ltd | Real estate | 2024 |
| One Pharmacy Limited | Wholesale & retail | 2011 |
| One Soraya Limited | Real estate | 2016 |
| Onion Enterprises Ltd | Real estate | 2022 |
| Onkar Construction Ltd | Construction | 2001 |
| Onpoint Building & Maintenance Solutions Limited | Construction | 2025 |
| Orama Meridian Partners Limited | Real estate | 2026 |
| Orbit Ecom Ltd | Wholesale & retail | 2023 |
| Oseka Ltd | Hospitality | 2026 |
| OUR Own Production Limited | Professional & scientific | 2019 |
| Outscout Technologies Limited | Information & communication | 2025 |
| P & J Glass Limited | Wholesale & retail | 2024 |
| P & M Blinds Limited | Administrative & support | 2001 |
| P Crispin Limited | Transport & logistics | 2026 |
| P Enterprises Limited | Extraterritorial | 2014 |
| P111YKA Cleaning Ltd | Administrative & support | 2025 |
| Palmer Gallery Limited | Wholesale & retail | 2023 |
| Parkside Networks Limited | Administrative & support | 1996 |
| Pasoan Investments Limited | Financial services | 2024 |
| Patel Property Investments Ltd | Real estate | 2017 |
| Patria Sports Consulting Limited | Professional & scientific | 2026 |
| Patsalos Properties Limited | Real estate | 2013 |
| PB Property Assets Limited | Real estate | 2021 |
| PB Team Services Ltd | Construction | 2021 |
| Pebbles Holdings Limited | Financial services | 2024 |
| Pencilage Limited | Professional & scientific | 2018 |
| Penthouse Drinks Ltd | Wholesale & retail | 2022 |
| Peter Joannou Advanced Tricopigmentation Limited | Other services | 2019 |
| PHI Structural Design Limited | Professional & scientific | 2008 |
| Pinnacle Governance Consulting Limited | Professional & scientific | 2024 |
| Placm Limited | Administrative & support | 2017 |
| PMH Group Holdings Limited | Financial services | 2019 |
| PMH Properties Limited | Real estate | 2018 |
| Podium Insights Ltd | Education | 2025 |
| Polka Post Production Limited | Information & communication | 2012 |
| Potts Design Limited | Professional & scientific | 2020 |
| Power Bingo Ltd | Arts & recreation | 2017 |
| Power Bowling Ltd | Arts & recreation | 2017 |
| Power Darts Ltd | Arts & recreation | 2018 |
| Power Pool Ltd | Arts & recreation | 2017 |
| Power Snooker Centre Limited | Administrative & support | 2025 |
| Power Snooker Properties Ltd | Real estate | 2017 |
| Power Snooker Radio Ltd | Information & communication | 2017 |
| Powersnookercoin Limited | Administrative & support | 2025 |
| Preloved Clads Ltd | Wholesale & retail | 2025 |
| Prestige Foods Ltd | Hospitality | 2024 |
| Prime Residential Cleaning Ltd | Administrative & support | 2022 |