| Motorclinicuk Ltd | Wholesale & retail | 2019 |
| Motorcycle Clothing & Accessories Limited | Wholesale & retail | 2022 |
| Motorcycle Parts and Equipment Ltd | Wholesale & retail | 2018 |
| Motormover Developments Limited | Extraterritorial | 2002 |
| Motormover Limited | Extraterritorial | 2018 |
| Motorplan Limited | Information & communication | 2021 |
| Motorplan Payments Ltd | Information & communication | 2025 |
| Motors (Coalville) Limited | Wholesale & retail | 1937 |
| Motors Auto Centre Ltd | Wholesale & retail | 2026 |
| Motorsport in Focus Photography Limited | Professional & scientific | 2016 |
| Motorun Ltd | Wholesale & retail | 2025 |
| Motovera Ltd | Wholesale & retail | 2025 |
| Mots 4 U Limited | Wholesale & retail | 2002 |
| Mottech Training Solutions Limited | Education | 2017 |
| Motworx Ltd | Wholesale & retail | 2025 |
| Moulana Estates Limited | Real estate | 2014 |
| Moulded Circuits Limited | Manufacturing | 1987 |
| Moulding Bros & Merry (Leicester) Limited | Manufacturing | 1987 |
| Moulvi Bazar District Private Limited | Real estate | 2015 |
| Mouna General Services Limited | Wholesale & retail | 2016 |
| Mounir Ltd | Health & social care | 2023 |
| Mount Gabriel Creative Concepts Limited | Wholesale & retail | 2009 |
| Mount Gabriel Limited | Professional & scientific | 1997 |
| Mount Group Student Vista Ltd | Hospitality | 2017 |
| Mount Rock Group Ltd | Wholesale & retail | 2025 |
| Mountforest Limited | Health & social care | 1985 |
| Mountsorrel and Rothley Community Heritage Centre | Arts & recreation | 2014 |
| Mountsorrel Taxis Ltd | Transport & logistics | 2018 |
| Mouzef Ltd | Professional & scientific | 2026 |
| MOV Enterprise Limited | Hospitality | 2017 |
| Movable Wall Tech Limited | Administrative & support | 2011 |
| Move I.T. (Europe) Ltd | Transport & logistics | 2006 |
| Moveable Routes Ltd | Manufacturing | 2022 |
| Moveena Ltd | Information & communication | 2026 |
| Moveme Health Ltd | Health & social care | 2022 |
| Movesmart Mobility Ltd | Wholesale & retail | 2025 |
| Movexpress Transport Limited | Transport & logistics | 2025 |
| Movieville Limited | Information & communication | 2013 |
| Moving Edge Limited | Extraterritorial | 1996 |
| Moving PAL Ltd | Transport & logistics | 2023 |
| Moving Studio Ltd | Professional & scientific | 2013 |
| Moving Together Ltd. | Arts & recreation | 2011 |
| Mowbray Clothing Ltd | Wholesale & retail | 2015 |
| Mowbray Foodservices Limited | Manufacturing | 2022 |
| Mowbray Interiors Limited | Construction | 2012 |
| Mowchi Event Ltd | Hospitality | 2025 |
| Mowmacre Young Peoples Play & Development Association | Education | 2000 |
| Mownomore Limited | Construction | 2024 |
| Moyanse Ltd | Administrative & support | 2025 |
| Moycode Ltd | Information & communication | 2016 |
| Moynan & Moore Real Estate Ltd | Real estate | 2021 |
| Moyo Health Ltd | Health & social care | 2023 |
| Moyostreams Ltd | Information & communication | 2025 |
| Mozteam Auto Ltd | Wholesale & retail | 2022 |
| Mo’S Leicester Ltd | Hospitality | 2023 |
| MP Advisory Ltd | Wholesale & retail | 2024 |
| MP Direct Ltd | Wholesale & retail | 2025 |
| MP Driving Academy Ltd | Education | 2026 |
| MP Energy Services Ltd | Construction | 2021 |
| MP Leicester Ltd | Health & social care | 2025 |
| MP Prop Ltd | Real estate | 2025 |
| MP Solicitors LLP | | 2025 |
| MP Trans Services Ltd | Transport & logistics | 2024 |
| MP001 Ltd | Hospitality | 2023 |
| MP002 Ltd | Hospitality | 2025 |
| MP9 Property Group Limited | Real estate | 2024 |
| MPA Delivery Ltd | Transport & logistics | 2018 |
| MPB Electrical Services Ltd | Construction | 2017 |
| Mpcollective Holdings Limited | Construction | 2026 |
| MPE I Limited | Professional & scientific | 2022 |
| MPH Business Consultancy Ltd | Hospitality | 2017 |
| MPH Construction (Lutterworth) Limited | Construction | 2014 |
| MPH Construction and Carpentry Limited | Construction | 2017 |
| Mphq Ltd | Hospitality | 2025 |
| MPL (Leicester) Ltd | Administrative & support | 2023 |
| Mpnvs Ltd | Wholesale & retail | 2021 |
| Mpoptics Ltd | Health & social care | 2023 |
| MPS Secure Group Limited | Administrative & support | 2023 |
| MPS Secure Holdings Limited | Financial services | 2026 |
| MPS Security Services Limited | Administrative & support | 2024 |
| MQ Trading Leicester Ltd | Manufacturing | 2025 |
| MR & MRS Salon Limited | Other services | 2025 |
| MR & MRS Studio Ltd | Other services | 2025 |
| MR (Evington) Limited | Hospitality | 2017 |
| MR (Granby) Limited | Hospitality | 2017 |
| MR (Gregory) Limited | Hospitality | 2017 |
| MR (Narborough) Limited | Hospitality | 2017 |
| MR (Parlia) Limited | Hospitality | 2017 |
| MR Bubbli Valeting Ltd | Administrative & support | 2021 |
| MR Bubbly Ltd | Wholesale & retail | 2023 |
| MR Burger (UK) Ltd | Wholesale & retail | 2009 |
| MR Butcher Ltd | Wholesale & retail | 2026 |
| MR Carpet Cleaner Ltd | Administrative & support | 2022 |
| MR Chicken Grill Ltd | Hospitality | 2019 |
| MR Cleano Car Wash Ltd | Administrative & support | 2021 |
| MR Driver Plumbing & Heating Limited | Construction | 2021 |
| MR Electrician Leicester Ltd | Construction | 2021 |
| MR H.It Limited | Information & communication | 2008 |
| MR Habibi Boom Ltd | Manufacturing | 2023 |
| MR Heating Midlands Limited | Construction | 2020 |