| My Kind of Pine & Cane Limited | Wholesale & retail | 2003 |
| My Legacy Journals Ltd | Wholesale & retail | 2026 |
| My Life Limited | Arts & recreation | 2003 |
| My M8S House Ltd | Administrative & support | 2025 |
| My Modular Home Ltd | Wholesale & retail | 2024 |
| My Mortgage Specialist Ltd | Financial services | 2022 |
| My Mushrooms Ltd | Agriculture & fishing | 2025 |
| My Nest Properties Limited | Real estate | 2018 |
| My Nova Ltd | Financial services | 2026 |
| My Nu-Age Limited | Wholesale & retail | 2013 |
| My Nursery (UK) Limited | Education | 2010 |
| My Own Space Holdings Ltd | Real estate | 2024 |
| My Party Wall Ltd | Construction | 2023 |
| My Pet Aura Ltd | Wholesale & retail | 2026 |
| My Physio Gym Ltd | Education | 2021 |
| My Prestige Properties Ltd | Real estate | 2023 |
| My Property Road Ltd | Real estate | 2018 |
| My Red Crayons Ltd | Information & communication | 2022 |
| My Scoops Ltd | Hospitality | 2025 |
| My Short Lets Ltd | Real estate | 2023 |
| My Success Club Limited | Extraterritorial | 2011 |
| My Time Consultants Limited | Wholesale & retail | 2017 |
| My Town Vision Ltd | Information & communication | 2016 |
| My Tutoring Zone Limited | Education | 2024 |
| My Upholstery Limited | Manufacturing | 2023 |
| My Zone Trading Ltd | Wholesale & retail | 2025 |
| My-French-House.Com Limited | Wholesale & retail | 2004 |
| Myavailability Ltd | Information & communication | 2024 |
| Mybumper.Co.Uk Limited | Professional & scientific | 2022 |
| Mycarehub Limited | Health & social care | 2019 |
| Mychaii Ltd | Hospitality | 2025 |
| Mychild Services Ltd | Health & social care | 2014 |
| Mycock Associates Limited | Professional & scientific | 2011 |
| Mycogenesis CIC | Professional & scientific | 2025 |
| Mycomade Ltd | Manufacturing | 2023 |
| Mycroft Engineering Limited | Professional & scientific | 2002 |
| Mydigisafe Limited | Information & communication | 2013 |
| MYE Trading Ltd | Wholesale & retail | 2024 |
| Myeong Dong Ltd | Hospitality | 2024 |
| Myerose Ltd | Real estate | 2025 |
| MYG Industries Limited | Hospitality | 2024 |
| Myhcm Limited | Information & communication | 2012 |
| Myhn Ltd | Manufacturing | 2026 |
| MYI Projex Ltd | Hospitality | 2023 |
| Myihospitality Ltd | Information & communication | 2018 |
| Myinternetshop Limited | Wholesale & retail | 2020 |
| Myka Grand Ltd | Transport & logistics | 2018 |
| Mykind Coaching Ltd | Extraterritorial | 2020 |
| Mylo Kira Limited | Professional & scientific | 2023 |
| MYM Holdings Ltd | Financial services | 2018 |
| Mymediator Ltd | Administrative & support | 2015 |
| Myotonic Dystrophy Support Group | Administrative & support | 2010 |
| Mypace Ltd | Health & social care | 2019 |
| MYR Associates Ltd | Real estate | 2019 |
| Myriad Engineering Ltd | Professional & scientific | 2022 |
| Myrmekes Limited | Information & communication | 2024 |
| Myrtos Holdings Ltd | Professional & scientific | 2013 |
| Myscotek Limited | Information & communication | 2014 |
| Mystique Nails Ltd | Wholesale & retail | 2025 |
| Mystral Consulting Limited | Professional & scientific | 2000 |
| Myteamexpenses Ltd | Information & communication | 2026 |
| MYTEXT2U Ltd | Extraterritorial | 2020 |
| Mythe Consultancy Limited | Professional & scientific | 2024 |
| Mythe Estates Limited | Real estate | 2025 |
| Mythily Property Investment Ltd | Real estate | 2025 |
| Mytopia Limited | Wholesale & retail | 2021 |
| Myuk Ltd | Wholesale & retail | 2026 |
| Myuna Ltd | Information & communication | 2018 |
| MZ Bukhari Ltd | Health & social care | 2026 |
| MZ Coaching Ltd | Arts & recreation | 2026 |
| MZ Consult Limited | Information & communication | 2016 |
| MZA International Ltd | Wholesale & retail | 2019 |
| MZD Accountants Ltd | Professional & scientific | 2014 |
| Mzee Enterprises Ltd | Hospitality | 2024 |
| MZH Medical Services Ltd | Health & social care | 2025 |
| Mzsf Limited | Hospitality | 2004 |
| MZW Wholesale Ltd | Wholesale & retail | 2018 |
| N & a Shah Holdings Ltd | Real estate | 2024 |
| N & D Financial Services Ltd | Financial services | 2015 |
| N & D Organics Limited | Wholesale & retail | 2007 |
| N & F Renewables Limited | Energy | 2014 |
| N & J Pitt (Taximeter Services) Limited | Wholesale & retail | 1988 |
| N & K Prasad Limited | Health & social care | 2024 |
| N & S Walker Limited | Wholesale & retail | 2025 |
| N a Belper Limited | Wholesale & retail | 2021 |
| N a D C Group Ltd | Transport & logistics | 2016 |
| N and J Family Investments Ltd | Water & waste | 2015 |
| N and L Properties Limited | Real estate | 2012 |
| N and S Cladding Ltd | Construction | 2002 |
| N Booth Electrical & Data Limited | Construction | 2001 |
| N G E Garage Equipment Services Limited | Wholesale & retail | 2003 |
| N H Store Ltd | Wholesale & retail | 2024 |
| N J Anderson Limited | Construction | 2021 |
| N J D Plumbing and Heating Limited | Construction | 2014 |
| N J Winter Ltd | Real estate | 2024 |
| N K Beauty Lounge Ltd. | Administrative & support | 2020 |
| N K Realisations Limited | Manufacturing | 1919 |
| N K V Estates Ltd | Real estate | 2026 |
| N Kitsiou Ltd | Other services | 2015 |
| N L Birkin Builders Ltd | Construction | 2022 |