| Mpany Ltd | Wholesale & retail | 2026 |
| Mpax's Professional Services Limited | Professional & scientific | 2017 |
| Mpbtransport Limited | Transport & logistics | 2024 |
| MPC Carpentry Limited | Construction | 2010 |
| MPC Contracting Ltd | Manufacturing | 2015 |
| MPC Workforce Ltd | Administrative & support | 2023 |
| MPF Consulting Ltd | Other services | 2025 |
| MPG General Construction Limited | Construction | 2022 |
| Mpgb Limited | Real estate | 2024 |
| MPH Consultants+ Ltd | Construction | 2026 |
| Mprespect Limited | Wholesale & retail | 2024 |
| Mprq Ltd | Information & communication | 2023 |
| MPS Cover Ltd | Professional & scientific | 2022 |
| MQA Auto Limited | Wholesale & retail | 2025 |
| MR & MRS Whippy Ltd | Wholesale & retail | 2021 |
| MR Chips the Original Limited | Hospitality | 2026 |
| MR Dealer Limited | Wholesale & retail | 2020 |
| MR Downtown Ltd | Hospitality | 2024 |
| MR G Your Go-To GUY Ltd | Construction | 2025 |
| MR Goods Limited | Construction | 2018 |
| MR KH Properties Ltd | Real estate | 2025 |
| MR Maak Ltd | Hospitality | 2021 |
| MR Mobile Luton Limited | Wholesale & retail | 2020 |
| MR Properties Luton Limited | Real estate | 2025 |
| MR Property Developer Ltd | Real estate | 2022 |
| MR Property Solutions Ltd | Households | 2019 |
| MR RAD Electrician Limited | Construction | 2021 |
| MR Riley's Tropical Food Specialists Ltd | Wholesale & retail | 2021 |
| MR Rushed Limited | Hospitality | 2025 |
| MR Swirly Ltd | Hospitality | 2026 |
| MR T'S Cafe Ltd | Hospitality | 2018 |
| MR ZEE Ecom Limited | Wholesale & retail | 2026 |
| MR. Tidy 26 Ltd | Administrative & support | 2024 |
| Mr.Tec Ltd | Information & communication | 2024 |
| MR1B Limited | Wholesale & retail | 2025 |
| MRA Oxford Ltd | Real estate | 2020 |
| MRC Logistics Limited | Transport & logistics | 2023 |
| MRF Computer Services Limited | Information & communication | 2008 |
| MRH Aviation Services Ltd | Administrative & support | 2019 |
| Mrht Builders Ltd | Construction | 2024 |
| MRI Construction Limited | Construction | 2019 |
| MRJ Electricians Ltd | Construction | 2002 |
| Mrje Logistics Limited | Transport & logistics | 2026 |
| MRL Merlan Ltd | Transport & logistics | 2022 |
| Mrlj Management Ltd | Real estate | 2025 |
| MRM & Co Rentals Ltd | Administrative & support | 2026 |
| MRM Cyber Security Services Limited | Information & communication | 2026 |
| MRP Agencies Ltd | Wholesale & retail | 2012 |
| MRS. Middleton Limited | Hospitality | 2013 |
| Mrwasikproperty Ltd | Real estate | 2025 |
| MS Commercial Construction Limited | Wholesale & retail | 2022 |
| MS Deliveries Ltd | Hospitality | 2024 |
| MS Drive Ltd | Transport & logistics | 2024 |
| MS Electron Electrical Ltd | Construction | 2020 |
| MS Estates and Lettings Ltd | Real estate | 2023 |
| MS Executive Chauffeurs Ltd | Wholesale & retail | 2025 |
| MS Green Camera Solutions Limited | Manufacturing | 2025 |
| MS Hair Saloon & Products Limited | Wholesale & retail | 2025 |
| MS Incorporation Limited | Wholesale & retail | 2025 |
| MS Plastering London Ltd | Construction | 2023 |
| MS Properties Solutions Limited | Real estate | 2021 |
| MS Services Luton Limited | Construction | 2024 |
| MS Tech Consultancy Ltd | Professional & scientific | 2022 |
| Ms&As Limited | Construction | 2024 |
| MSA & Co Accountancy Ltd. | Professional & scientific | 2017 |
| MSA Butt Ltd | Transport & logistics | 2023 |
| MSA Luton Ltd | Arts & recreation | 2022 |
| MSA Motors Ltd | Transport & logistics | 2018 |
| Msag Ltd | Health & social care | 2024 |
| Msaq Recruitment Ltd | Construction | 2019 |
| Msarps Limited | Administrative & support | 2023 |
| Msba Investments Ltd | Financial services | 2025 |
| MSC Fire Solutions Limited | Construction | 2025 |
| MSC Freight & Logistics Limited | Transport & logistics | 2020 |
| MSC Solutions 4 U Ltd | Wholesale & retail | 2023 |
| MSD 1957 Limited | Extraterritorial | 2014 |
| MSD 4SERVICES Ltd | Construction | 2024 |
| MSD Cleaning Contractors Ltd | Administrative & support | 2022 |
| MSD Electrics Ltd | Construction | 2025 |
| Mseu Ltd | Hospitality | 2025 |
| MSF Smart Holdings Limited | Financial services | 2025 |
| MSG Grace Limited | Wholesale & retail | 2021 |
| MSG Homes & Development Ltd | Real estate | 2023 |
| Msgo Ltd | Financial services | 2025 |
| Mshs Transport Limited | Administrative & support | 2016 |
| MSJ Accountancy Ltd | Administrative & support | 2010 |
| MSJ Investment Properties Ltd | Real estate | 2016 |
| MSK Property Services Ltd | Real estate | 2023 |
| MSK Investments Ltd | Real estate | 2011 |
| MSK Premier Holdings Ltd | Wholesale & retail | 2018 |
| MSK Tech Solutions Ltd | Information & communication | 2024 |
| MSL Transport Limited | Transport & logistics | 2009 |
| MSN 41662 Limited | Administrative & support | 2024 |
| MSN 41663 Limited | Administrative & support | 2024 |
| Msohal Ltd | Transport & logistics | 2024 |
| Msop Limited | Professional & scientific | 2023 |
| Mspsl Ltd | Education | 2026 |
| MSQ Diagnostics Ltd | Health & social care | 2025 |
| MSR Property Management Ltd | Real estate | 2020 |
| Msrk Limited | Wholesale & retail | 2025 |