| My Eduvox Ltd | Education | 2025 |
| My Favourite Dragon Nursery Ltd | Education | 2023 |
| My Home Surveyor (London) Limited | Real estate | 2018 |
| My Imperial Clinic Limited | Other services | 2023 |
| My Life Empowered Limited | Extraterritorial | 2018 |
| My Little Square Ltd | Construction | 2017 |
| My Masjid Solutions Ltd | Information & communication | 2025 |
| My Motiff Ltd | Information & communication | 2015 |
| My Pavilion Development Ltd | Construction | 2021 |
| My Second Glance CIC | Health & social care | 2025 |
| My Spiritual Butterfly Ltd | Administrative & support | 2022 |
| My Trousseau Limited | Wholesale & retail | 2009 |
| My UNI Finder Limited | Information & communication | 2026 |
| My Villa Breaks Ltd | Extraterritorial | 2016 |
| My Wealth Agent Limited | Administrative & support | 2018 |
| MYA Blue UK Limited | Wholesale & retail | 2000 |
| Myco Global Limited | Professional & scientific | 2023 |
| Mydearcarer Ltd | Administrative & support | 2025 |
| Mydesitickets.Com Ltd | Wholesale & retail | 2018 |
| Myhomebuy Limited | Real estate | 2025 |
| MYK Construction Limited | Construction | 2015 |
| MYK Corporate Limited | Financial services | 2025 |
| MYK Limited | Construction | 2000 |
| MYK Maintenance Limited | Construction | 2024 |
| Myla Ancy Ltd | Information & communication | 2026 |
| Myland Trust | Health & social care | 2016 |
| Mylava 2 LLP | | 2016 |
| Mylava 3 LLP | | 2016 |
| Myles’ Consultation Limited | Information & communication | 2023 |
| MYLIFE365.ME Ltd | Health & social care | 2020 |
| Mynd Spirit Ltd | Hospitality | 2022 |
| Mynr Ltd | Wholesale & retail | 2022 |
| MYP Global Limited | Construction | 2011 |
| Mypt Academy Limited | Education | 2017 |
| Mypt Coaching Limited | Arts & recreation | 2025 |
| Mypt Croydon Limited | Arts & recreation | 2025 |
| Mypt Holdings Ltd | Arts & recreation | 2015 |
| Mypt Transformations Limited | Arts & recreation | 2022 |
| Myrna Close Residents Company Limited | Households | 2007 |
| Mysalma Limited | Wholesale & retail | 2025 |
| Mysicily Ltd | Hospitality | 2023 |
| Mystyle Party Plan Ltd | Hospitality | 2025 |
| MYT AI Ltd | Professional & scientific | 2025 |
| MYT Automation Ltd | Information & communication | 2025 |
| MYT Limited | Information & communication | 2017 |
| Mytchett Gate Management Company Limited | Households | 2000 |
| Mythos Services & Tourism Limited | Professional & scientific | 2006 |
| Myuran Ltd | Wholesale & retail | 2025 |
| Myuran Property Ltd | Real estate | 2025 |
| Myview Studio Ltd | Administrative & support | 2017 |
| MYY Property Management Ltd | Real estate | 2024 |
| MZ Engineering (International) Limited | Construction | 2016 |
| MZA Enterprises Ltd | Wholesale & retail | 2024 |
| MZB Food Limited | Hospitality | 2024 |
| Mzek Limited | Information & communication | 2015 |
| Mznt Luxury Ltd | Transport & logistics | 2024 |
| Mötion Vsual Ltd | Information & communication | 2024 |
| N & B Life Science Ltd | Health & social care | 2016 |
| N & B Property Investment Ltd | Real estate | 2022 |
| N & G Accounting Services Ltd | Professional & scientific | 2020 |
| N & G Care Ltd | Health & social care | 2011 |
| N a Landscaping Ltd | Administrative & support | 2024 |
| N C D Retailers Ltd | Wholesale & retail | 2008 |
| N Cube Foods Ltd | Hospitality | 2024 |
| N Cube Retails Ltd | Wholesale & retail | 2025 |
| N D London Limited | Other services | 2015 |
| N D Shops Ltd | Wholesale & retail | 2024 |
| N F Digital Media Ltd | Professional & scientific | 2023 |
| N J Electrix Ltd | Manufacturing | 2025 |
| N K Fast Foods Ltd | Hospitality | 2025 |
| N Sumaria Construction Ltd | Professional & scientific | 2016 |
| N Superstars Limited | Information & communication | 2019 |
| N&G Housing Ltd | Real estate | 2020 |
| N&J Property Holdings Limited | Real estate | 2021 |
| N&R Property Ltd | Construction | 2017 |
| N.K. Cleaners Limited | Other services | 2010 |
| N.K. Special Windows Ltd | Manufacturing | 2024 |
| N.O.A.D Carpenters & Construction Ltd | Construction | 2018 |
| N1 Property Solutions Ltd | Hospitality | 2024 |
| N3 Living Ltd | Real estate | 2015 |
| N8 Productions Limited | Professional & scientific | 2026 |
| NAA Lamiley Cuisine Ltd | Hospitality | 2024 |
| Naas PA Ltd | Health & social care | 2018 |
| Naavya UK Limited | Wholesale & retail | 2021 |
| Naavyaa Limited | Real estate | 2025 |
| Naazdhillon Ltd | Construction | 2024 |
| Naba Medical Limited | Health & social care | 2024 |
| Nabcmr Ltd | Transport & logistics | 2025 |
| Nabert Healthcare Limited | Health & social care | 2021 |
| Nadia's Little Bakery Ltd | Manufacturing | 2024 |
| Nadin DISH81 Ltd | Administrative & support | 2023 |
| Nadir Transport Ltd | Water & waste | 2026 |
| Naes Management Limited | Professional & scientific | 2020 |
| Naga Estate Ltd | Real estate | 2024 |
| Nage Health Care Ltd | Health & social care | 2022 |
| Nageswara Makkal Amaippu Ltd | Other services | 2022 |
| Nagpal Transport Ltd | Transport & logistics | 2026 |
| Nahdom Ltd | Health & social care | 2015 |
| Nahgas Ltd | Hospitality | 2015 |
| Naiks Limited | Wholesale & retail | 2001 |