| Minerva Lending Management Limited | Financial services | 2016 |
| Ming Takeaway 4619 Ltd | Hospitality | 2021 |
| Minha Logistics Ltd | Transport & logistics | 2024 |
| Minha Medical Limited | Health & social care | 2024 |
| Minhoco 73 Limited | Administrative & support | 2022 |
| Mini First AID Limited | Education | 2015 |
| Mini Kicks LLP | | 2024 |
| Mini Moons Creative Ltd | Information & communication | 2024 |
| Minimum Wage Ltd | Manufacturing | 2025 |
| Mining & Smelting Recruitment International Ltd | Professional & scientific | 2026 |
| Minlada Ltd | Health & social care | 2018 |
| Minnanjey Daycare Limited | Education | 2015 |
| Minnie Business Systems Limited | Information & communication | 1976 |
| Minnygap Energy Limited | Energy | 2015 |
| Minoan Estates Ltd | Real estate | 2026 |
| Minoo Cumbria Ltd | Hospitality | 2021 |
| Minority Advice Bureau Limited | Professional & scientific | 2017 |
| Minshall Textiles Limited | Wholesale & retail | 2025 |
| Minster Homes York Ltd | Real estate | 2024 |
| Mint 777 Ltd | Real estate | 2026 |
| Mint Arcade Ltd | Information & communication | 2013 |
| Mint Commercial Interiors Ltd | Professional & scientific | 1998 |
| Mint Consulting Ltd | Professional & scientific | 2024 |
| Mint Contracting Holdings Limited | Financial services | 2021 |
| Mint Contracting Services Limited | Administrative & support | 2018 |
| Mint CRM & Marketing Solutions Limited | Information & communication | 2007 |
| Mint Developments Ltd | Construction | 2021 |
| Mint EV Ltd | Professional & scientific | 2025 |
| Mint Festival Ltd | Arts & recreation | 2012 |
| Mint Live Limited | Arts & recreation | 2020 |
| Mint Livin Ltd | Real estate | 2017 |
| Mint Manage UK Ltd | Real estate | 2023 |
| Mint Management Limited | Construction | 2025 |
| Mint Residences Ltd | Real estate | 2024 |
| Mint Residential Ltd | Real estate | 2023 |
| Mint Trade Frames Limited | Construction | 2025 |
| Mint Warehouse Ltd | Hospitality | 2011 |
| Mint XL Limited | Hospitality | 2025 |
| Mintcrm Limited | Information & communication | 2008 |
| Minton Hollins Limited | Professional & scientific | 1936 |
| Minton Homes Limited | Real estate | 1973 |
| Minus Eyewear Ltd | Manufacturing | 2025 |
| Minute to Midnight Limited | Information & communication | 2024 |
| Minutes Network Limited | Information & communication | 2022 |
| Minya Properties Ltd | Real estate | 2025 |
| Mioveni Dispatch Ltd | Transport & logistics | 2018 |
| MIP (Oxford) Limited | Wholesale & retail | 2015 |
| MIP Bromley 180 Ltd | Wholesale & retail | 2025 |
| MIP Consulting Limited | Professional & scientific | 2022 |
| MIP Employees 1975 Ltd | Wholesale & retail | 2024 |
| MIP Lakeside 177 Ltd | Wholesale & retail | 2025 |
| MIP Meadowhall 1975 (176) Ltd | Wholesale & retail | 2025 |
| MIP Online 1975 Ltd | Wholesale & retail | 2024 |
| MIP Stanmore 215 Ltd | Wholesale & retail | 2025 |
| MIP Stores 1975 Ltd | Wholesale & retail | 2024 |
| MIP Stores Guildford 173 Ltd | Wholesale & retail | 2025 |
| MIP Stores Leeds VQ 1975 (175) Ltd | Wholesale & retail | 2025 |
| MIP Supply Chain 1975 Ltd | Wholesale & retail | 2026 |
| MIP Trading 1975 Ltd | Wholesale & retail | 2024 |
| MIQ Homehub Ltd | Real estate | 2026 |
| Mira Persian Kitchen Ltd | Hospitality | 2026 |
| Mirable Solutions Ltd | Administrative & support | 2022 |
| Miracle Acquisitions Ltd | Wholesale & retail | 2025 |
| Mirador Management Limited | Real estate | 2020 |
| Miragear Ltd | Wholesale & retail | 2024 |
| Miranda Logistics Ltd | Transport & logistics | 2025 |
| Mirard Limited | Manufacturing | 2024 |
| Mirbur Ltd | Transport & logistics | 2024 |
| Mirchiz LS26 Ltd | Hospitality | 2025 |
| Mirchy Ltd | Hospitality | 2025 |
| Mirel Macovei Ltd | Transport & logistics | 2025 |
| Mirell Ltd | Wholesale & retail | 2020 |
| Mirfield Arlfc Ltd | Arts & recreation | 2025 |
| Mirha Enterprises Ltd | Hospitality | 2023 |
| Mirha Excellence Ltd | Hospitality | 2025 |
| Mirha Holdings Ltd | Hospitality | 2023 |
| Mirha Property Investment Ltd | Real estate | 2024 |
| Miricia Guest House Limited | Hospitality | 2024 |
| Miricia Ltd | Hospitality | 2025 |
| Miridian Limited | Information & communication | 2005 |
| Mirimar Consultancy Limited | Real estate | 2004 |
| Miris Technical Limited | Professional & scientific | 2007 |
| Mirit Limited | Information & communication | 2018 |
| Miro Logistics Group Ltd | Transport & logistics | 2017 |
| Miron Properties Ltd | Real estate | 2025 |
| Mirpur Jewellers Leeds Ltd | Manufacturing | 2023 |
| Mirtel Limited | Information & communication | 2012 |
| Miru Marketing Limited | Wholesale & retail | 2003 |
| Miruk Ltd | Construction | 2018 |
| Miruna Healthcare Ltd | Health & social care | 2020 |
| Mirza Locums Ltd | Health & social care | 2011 |
| Mirza Shah Holdings Limited | Real estate | 2019 |
| Mischievous Magpie Limited | Professional & scientific | 2016 |
| Miscia Ltd | Mining & quarrying | 2020 |
| Miscia RE Ltd | Real estate | 2025 |
| Mise Media Ltd | Professional & scientific | 2015 |
| Misk Catering Ltd | Hospitality | 2020 |
| Miss Browns Coffee House Limited | Hospitality | 2010 |
| Miss Clare Tutoring Limited | Education | 2025 |
| Miss Glam Ltd | Other services | 2026 |