| MKN Aviation Limited | Manufacturing | 2022 |
| Mkndset Limited | Professional & scientific | 2025 |
| Mknet Limited | Information & communication | 2019 |
| MKP Venture Ltd | Real estate | 2025 |
| Mkpewex Ltd | Wholesale & retail | 2013 |
| Mkplumber Limited | Construction | 2025 |
| Mkpodplug Ltd | Wholesale & retail | 2022 |
| Mkpt Events Limited | Arts & recreation | 2015 |
| MKQ8 Limited | Real estate | 2016 |
| Mkrbf Limited | Administrative & support | 2025 |
| Mkrufc Limited | Arts & recreation | 2001 |
| MKS Cricket Limited | Arts & recreation | 2024 |
| MKS Foods & Sushi Bar Ltd | Hospitality | 2026 |
| MKS Fried Chicken Ltd | Hospitality | 2020 |
| MKS Logistics Group Ltd | Transport & logistics | 2026 |
| MKS Trading Limited | Other services | 2025 |
| Mksa Peak Limited | Hospitality | 2024 |
| Mksproperties SPV Ltd | Real estate | 2025 |
| MKT MIX Ltd | Professional & scientific | 2023 |
| Mktim Ltd | Wholesale & retail | 2020 |
| Mktv | Information & communication | 2003 |
| Mkuro Ltd | Health & social care | 2026 |
| MKV Plumbing Ltd | Construction | 2026 |
| MKV Services Ltd | Information & communication | 2018 |
| Mkvans Ltd | Transport & logistics | 2014 |
| MKW Property Ltd | Real estate | 2024 |
| Mkwise Financial Ltd | Financial services | 2020 |
| Mkwise Homes Ltd | Real estate | 2020 |
| Mkwise Investments Ltd | Financial services | 2018 |
| Mkwsc Ltd | Arts & recreation | 2025 |
| Mkyouwantbeef Ltd | Hospitality | 2024 |
| MKZ Catering Ltd | Hospitality | 2023 |
| ML & ML Investments Ltd | Real estate | 2015 |
| ML Building Solutions Ltd | Construction | 2017 |
| ML Intelligence Consult Limited | Professional & scientific | 2024 |
| ML PAN Ltd. | Wholesale & retail | 2025 |
| MLA Global Visas & Recruitment Agency Ltd | Administrative & support | 2022 |
| MLA Industries Limited | Wholesale & retail | 2022 |
| MLB International Real Estate Ltd | Real estate | 2025 |
| MLG Healthcare Ltd | Administrative & support | 2024 |
| MLJ Heli Limited | Transport & logistics | 2020 |
| MLJ Kowalski Ltd | Transport & logistics | 2025 |
| MLM Trading Limited | Real estate | 2018 |
| MLP Traffic Ltd | Financial services | 2024 |
| Mlpd Ltd. | Real estate | 2013 |
| Mlue Ltd | Wholesale & retail | 2025 |
| MM LEX Consultancy Ltd | Professional & scientific | 2016 |
| MM Medical Practice Limited | Health & social care | 2025 |
| MM Pulse Ltd | Wholesale & retail | 2024 |
| MM Roofing Limited | Construction | 2022 |
| MM5 Services Limited | Professional & scientific | 2019 |
| MMA Property Management Limited | Real estate | 2022 |
| MMC Enterprise Ltd | Wholesale & retail | 2022 |
| MMD Transport Ltd | Transport & logistics | 2015 |
| Mmeg Properties Ltd | Real estate | 2019 |
| MMG Distribution Ltd | Transport & logistics | 2024 |
| MMM Home Decor Limited | Wholesale & retail | 2020 |
| Mmmd Transport Ltd | Transport & logistics | 2025 |
| MMN Associates Ltd | Professional & scientific | 2013 |
| MMP Bespoke Ltd | Information & communication | 2013 |
| MN Football Ltd | Arts & recreation | 2017 |
| MN IT Solutions Ltd | Information & communication | 2010 |
| MN Pivot Construction Limited | Construction | 2019 |
| MND Global Limited | Administrative & support | 2013 |
| Mndc Limited | Wholesale & retail | 2022 |
| Mngs Consultants Limited | Information & communication | 2018 |
| Mniam Mniam Express Kebab Ltd | Hospitality | 2024 |
| Mniam Mniam Ltd | Hospitality | 2022 |
| MNJ Private Ltd | Transport & logistics | 2019 |
| MNJ Trading Ltd | Hospitality | 2026 |
| Mnkr Limited | Construction | 2022 |
| Mnph Company Limited | Construction | 2017 |
| MNR IT Solutions Limited | Information & communication | 2019 |
| MNS Electrical Building Services Limited | Construction | 2014 |
| Mo-Call Limited | Information & communication | 2008 |
| Moasm Limited | Health & social care | 2021 |
| MOB DOC Limited | Wholesale & retail | 2023 |
| Mobiiapps Ltd | Information & communication | 2013 |
| Mobileyes UK Limited | Administrative & support | 2005 |
| Mobili Prop Ltd | Real estate | 2025 |
| Mobili Services Ltd | Administrative & support | 2026 |
| Mobility Cyber Labs Ltd | Professional & scientific | 2024 |
| Mobility Sales and Hire Limited | Wholesale & retail | 2025 |
| Mobiloitte Limited | Information & communication | 2017 |
| Mobstars Limited | Wholesale & retail | 2016 |
| Moby Bikes UK Limited | Wholesale & retail | 2024 |
| Mochi & Macaron Ltd. | Wholesale & retail | 2022 |
| Mochizel Ltd | Transport & logistics | 2020 |
| Moco Made Ltd | Manufacturing | 2025 |
| Moda Vibe Ltd | Wholesale & retail | 2025 |
| Modaadrian Ltd | Transport & logistics | 2025 |
| Modas Capital Limited | Other services | 2021 |
| Moddet Ltd | Extraterritorial | 2024 |
| Mode Design London Limited | Professional & scientific | 2017 |
| Mode Economics Limited | Professional & scientific | 2024 |
| Model Britain Limited | Arts & recreation | 2025 |
| Modern Choice Properties Limited | Real estate | 2018 |
| Modern HR Ltd | Professional & scientific | 2016 |
| Modern Life Designs UK Limited | Wholesale & retail | 2025 |
| Modesta Global Ltd | Wholesale & retail | 2024 |