| MJ Roofing and Cladding Ltd | Construction | 2023 |
| MJ Taylor Made Limited | Manufacturing | 2020 |
| MJ Unique Ventures Ltd. | Wholesale & retail | 2020 |
| MJ44 Ltd | Administrative & support | 2025 |
| MJ93INTERNATIONAL Ltd | Transport & logistics | 2021 |
| Mjalby Hotels Limited | Hospitality | 2003 |
| Mjbuikders Ltd | Construction | 2025 |
| MJC Creative Ltd | Administrative & support | 2016 |
| MJC Transport Services Ltd | Transport & logistics | 2025 |
| MJD Aviation Consultant Ltd | Manufacturing | 2022 |
| MJD Food Ltd | Hospitality | 2025 |
| MJD Scaffolding Ltd | Construction | 2022 |
| Mjdryproperties Ltd | Real estate | 2024 |
| MJE Construction Ltd | Construction | 2018 |
| MJE NW Ltd | Professional & scientific | 2022 |
| Mjen Solutions Ltd | Professional & scientific | 2025 |
| MJF Accountancy Limited | Professional & scientific | 2007 |
| Mjfsurveying Ltd | Real estate | 2025 |
| MJG Housing Ltd | Households | 2026 |
| MJH North West Limited | Real estate | 2018 |
| MJJ Civils & Construction Limited | Construction | 2025 |
| MJK Brickwork & Building Ltd | Construction | 2026 |
| MJK Facilities Management Limited | Professional & scientific | 2024 |
| MJL Focus Marketing Ltd. | Professional & scientific | 2014 |
| MJM 1 Transport Ltd | Transport & logistics | 2020 |
| MJM Brickwork & Building Contractor Limited | Construction | 2021 |
| MJM Developments NW Ltd | Real estate | 2026 |
| MJM Food Limited | Hospitality | 2025 |
| MJM Media Group Ltd | Information & communication | 2024 |
| MJM NW 1 Ltd | Real estate | 2024 |
| MJM Residences Ltd | Real estate | 2022 |
| MJM Silver Stop Shop Limited | Wholesale & retail | 2026 |
| MJM Support Limited | Other services | 2023 |
| MJM Trading Group Ltd | Wholesale & retail | 2023 |
| MJN 2020 Limited | Hospitality | 2020 |
| MJN Estates Ltd | Wholesale & retail | 2025 |
| MJN Group Ltd | Financial services | 2023 |
| MJN Liverpool Ltd | Hospitality | 2019 |
| MJP Evolutions Estates Ltd | Real estate | 2023 |
| MJP Evolutions Ltd | Construction | 2020 |
| MJP Mark Jones & Partners Solicitors LLP | | 2008 |
| MJP Medical Services Ltd | Health & social care | 2025 |
| MJP Merseyside Limited | Administrative & support | 2013 |
| MJP Wealth Management Limited | Financial services | 2013 |
| MJQ Trustees Limited | Professional & scientific | 2015 |
| MJR Plumbing & Heating Solutions Ltd | Construction | 2015 |
| MJS (NW) Ltd | Professional & scientific | 2023 |
| MJS Electrical Solutions Ltd | Manufacturing | 2025 |
| MJS Joinery Ltd | Construction | 2015 |
| MJS Plastering UK Ltd | Construction | 2017 |
| MJS Services ( NW) Ltd | Agriculture & fishing | 2021 |
| Mjtestates Ltd | Real estate | 2021 |
| MJW Touring Services Ltd | Administrative & support | 2026 |
| MK Better Build Limited | Construction | 2025 |
| MK CDM Management Ltd | Construction | 2023 |
| MK Contracting Group Ltd | Construction | 2026 |
| MK Developments NW Ltd | Construction | 2018 |
| MK Electrical Solutions Ltd | Construction | 2025 |
| MK Engineering and Surveys Ltd | Professional & scientific | 2023 |
| MK Environmental Services Ltd | Administrative & support | 2019 |
| MK Ground Services Ltd | Construction | 2025 |
| MK Premier Transport Ltd | Transport & logistics | 2026 |
| MK Railway Engineering Limited | Construction | 2013 |
| MK Real Estate Investments Limited | Real estate | 2017 |
| MK Salvage Ltd | Wholesale & retail | 2014 |
| MK South Liverpool Limited | Wholesale & retail | 2026 |
| MK Studios (NW) Ltd | Wholesale & retail | 2024 |
| MK Technical Services Limited | Manufacturing | 2016 |
| Mkal Data and Digital Solutions Ltd | Information & communication | 2025 |
| MKC Heating & Plumbing Ltd | Construction | 2018 |
| MKC Projects Ltd | Construction | 2019 |
| MKJ Consultancy Limited | Professional & scientific | 2015 |
| MKL Holdings (NW) Limited | Financial services | 2026 |
| MKL Investments Limited | Real estate | 2026 |
| MKL Property Group Ltd | Real estate | 2017 |
| MKL Property Management Ltd | Real estate | 2025 |
| MKL Stays Ltd | Real estate | 2026 |
| MKM Property Developments Limited | Real estate | 2022 |
| MKR Construction Limited | Construction | 2019 |
| MKR Holdings Limited | Professional & scientific | 2024 |
| MKS Trans Ltd | Transport & logistics | 2025 |
| Mksty Ltd | Real estate | 2021 |
| MKV Specialist Services Ltd | Health & social care | 2023 |
| MKV Tech Ltd | Information & communication | 2026 |
| ML Centre Limited | Education | 2016 |
| ML Noah’S ARK Limited | Professional & scientific | 2020 |
| MLA Group Ltd | Professional & scientific | 2024 |
| MLA Projects Ltd | Energy | 2025 |
| MLA Restaurants Chester Limited | Hospitality | 2024 |
| MLA Restaurants Limited | Hospitality | 2023 |
| Mlae Services Ltd | Professional & scientific | 2024 |
| MLB Property Development Ltd | Construction | 2023 |
| MLB Property Solutions Ltd | Construction | 2022 |
| MLC Consultancy Ltd | Professional & scientific | 2024 |
| MLC Residential Properties Ltd | Real estate | 2020 |
| MLD Social Care Limited | Health & social care | 2013 |
| Mldh Services Ltd | Transport & logistics | 2025 |
| MLF Contractors Ltd | Construction | 2016 |
| MLG Estates Ltd | Real estate | 2024 |
| MLG Property Ltd | Real estate | 2019 |