| More Recruitment SLC Ltd | Administrative & support | 2019 |
| More Than a Player CIC | Arts & recreation | 2024 |
| More Than Just a Gift Ltd | Wholesale & retail | 2018 |
| More Visual Ltd | Information & communication | 2013 |
| Morefray Limited | Manufacturing | 2016 |
| Moregates Morgan Ltd | Information & communication | 2020 |
| Moreish Sweets Co Limited | Wholesale & retail | 2023 |
| Moreton Family Law Support Ltd | Administrative & support | 2026 |
| Moretons BUS and Coach Ltd | Wholesale & retail | 2025 |
| Morettington Ventures Ltd | Transport & logistics | 2016 |
| Morgan COX Ltd | Manufacturing | 2014 |
| Morgan Filtration Limited | Manufacturing | 2014 |
| Morgan Forster Limited | Construction | 2021 |
| Morgan Mlondy Holdings Ltd | Real estate | 2022 |
| Morgan Sport Management Limited | Professional & scientific | 2021 |
| Morgan Steer Developments Limited | Wholesale & retail | 2015 |
| Morgan Steer Orthopaedics Limited | Manufacturing | 2010 |
| Morgan Technical Services (UK) Ltd | Manufacturing | 2012 |
| Moriah (Holdings) Limited | Professional & scientific | 2019 |
| Moriah Health Care Services Limited | Administrative & support | 2024 |
| Moriah House Holdings Limited | Financial services | 2025 |
| Moriah House Limited | Health & social care | 2005 |
| Moriconium Limited | Professional & scientific | 1983 |
| Morker Launderette Ltd | Households | 2015 |
| Morker Property Ltd | Real estate | 2017 |
| Morning Glory Care Limited | Health & social care | 2022 |
| Moroccan Welfare Centre Ltd | Education | 2017 |
| Moroccan Welfare Services C.I.C. | Health & social care | 2020 |
| Morriette Recruitment Limited | Administrative & support | 2024 |
| Morris Access Ltd | Construction | 2014 |
| Morrison Park Homes Ltd | Construction | 2019 |
| Mortar Life Limited | Construction | 2014 |
| Mortgage Broker Leicester Ltd | Financial services | 2024 |
| Mortgage Support Network Limited | Financial services | 2002 |
| Mortgage Wala Limited | Financial services | 2025 |
| Mortgages & More (Leics) Ltd | Financial services | 2015 |
| Mortgages by Anna Ltd | Financial services | 2022 |
| Mortirolo Consulting Ltd | Information & communication | 2024 |
| Morton Scott Property Ltd | Real estate | 2024 |
| Morwellham Solutions Ltd | Transport & logistics | 2014 |
| Morwenstow Ltd | Transport & logistics | 2015 |
| Mosaic 1898 Ltd | Health & social care | 1954 |
| Mosayc Ltd. | Information & communication | 2013 |
| Mosch Enterprises Ltd | Wholesale & retail | 2023 |
| Mosch Properties Ltd | Real estate | 2022 |
| Moseeni Ltd | Wholesale & retail | 2025 |
| Moseley (Holdings) Limited | Construction | 1983 |
| Moseley Brown Limited | Real estate | 2013 |
| Moses First Ltd | Real estate | 2025 |
| Mosh & Sons Limited | Other services | 2017 |
| Mosh (Leicester) Limited | Hospitality | 2015 |
| Mosh Holdings Limited | Financial services | 2015 |
| Mosha Care Service Limited | Health & social care | 2023 |
| Moshaz Stages Ltd | Arts & recreation | 2025 |
| Moshophee Holdings Ltd | Real estate | 2023 |
| Mosi Holdings Ltd | Real estate | 2026 |
| Mosquito Way Limited | Professional & scientific | 2008 |
| Mosse Courier Ltd | Transport & logistics | 2026 |
| Mossgate Logistics Ltd | Transport & logistics | 2014 |
| Mosswood Amber Ltd | Wholesale & retail | 2025 |
| Mosuvi Ltd | Information & communication | 2025 |
| MOT Hub Leicester Ltd | Wholesale & retail | 2022 |
| Mota Mechanic Ltd | Wholesale & retail | 2026 |
| Motala Properties Limited | Real estate | 2025 |
| Motara Motors Ltd | Wholesale & retail | 2025 |
| Motara Properties Ltd | Real estate | 2017 |
| Motazedian Properties Limited | Real estate | 2024 |
| Motee UK Associates Limited | Other services | 2023 |
| Motegheria Company Ltd | Real estate | 2026 |
| Mother for Child Limited | Wholesale & retail | 2026 |
| Moti Tours & Tourism Ltd | Administrative & support | 2005 |
| Motif Accounting Leics Ltd | Professional & scientific | 2016 |
| Motif Financial Solutions Ltd | Professional & scientific | 2018 |
| Motion (Leicester) Limited | Information & communication | 2000 |
| Motion Office Furniture Ltd | Wholesale & retail | 2018 |
| Motion Printready Limited | Financial services | 2020 |
| Motion Rescue & Medical Training Ltd | Health & social care | 2023 |
| Motion Vehicle Consulting Limited | Wholesale & retail | 2016 |
| Motionets Technology PTE Co Ltd | Information & communication | 2026 |
| MOTIV8STUDIO Ltd | Arts & recreation | 2020 |
| Motivation Academy Limited | Hospitality | 2016 |
| Motive Legal Consulting Limited | Professional & scientific | 2010 |
| Motivol Ltd | Wholesale & retail | 2022 |
| Moto Global Ltd | Professional & scientific | 2020 |
| Moto Pizza Restaurant Martines Ltd | Hospitality | 2023 |
| Moto Technologies Ltd | Information & communication | 2023 |
| Moto-Cnc Ltd | Manufacturing | 2019 |
| Motocross HUT Limited | Wholesale & retail | 2019 |
| Motohut Ltd | Wholesale & retail | 2019 |
| Motolab Repairs Ltd | Wholesale & retail | 2024 |
| Motomoney Ltd | Information & communication | 2021 |
| Motomoney Technologies Ltd | Information & communication | 2021 |
| Motooparts Limited | Wholesale & retail | 2023 |
| Motor Cube Ltd | Wholesale & retail | 2015 |
| Motor Cycle Accessories Limited | Wholesale & retail | 1986 |
| Motor Shop Leicester Limited | Arts & recreation | 2019 |
| Motor Solutions Auto Sales Limited | Wholesale & retail | 2023 |
| Motor Trade Logistics Limited | Transport & logistics | 2022 |
| Motor-Link Cars Ltd | Wholesale & retail | 2018 |
| Motorcar Cover Ltd | Financial services | 2025 |