| Lynrock Properties Ltd | Real estate | 2006 |
| Lynx DRY Cleaning Supplies Limited | Wholesale & retail | 2008 |
| Lynx Estates Ltd | Real estate | 2022 |
| Lynx One Limited | Other services | 2025 |
| Lynx Rules Ltd | Other services | 2023 |
| Lynx Tradex Ltd | Wholesale & retail | 2025 |
| Lynxforce Protection Services Ltd | Administrative & support | 2013 |
| Lynxiti Investment LLP | | 2023 |
| Lyricalley Ltd | Information & communication | 2025 |
| Lytek IT Ltd | Information & communication | 2025 |
| M & a Consultants Ltd | Professional & scientific | 2013 |
| M & a Domestic Appliance Services Limited | Households | 2009 |
| M & a Estate Investment Limited | Real estate | 2019 |
| M & FIN Limited | Health & social care | 2008 |
| M & G Construction Limited | Construction | 1985 |
| M & H Buildings Ltd | Construction | 2018 |
| M & I Delights Limited | Hospitality | 2024 |
| M & K Partnership Ltd | Administrative & support | 2012 |
| M & M Accounts & Taxation Ltd | Professional & scientific | 2012 |
| M & M Sons Ltd | Wholesale & retail | 2016 |
| M & N (London) Trading Limited | Transport & logistics | 2023 |
| M & N Links Limited | Health & social care | 2012 |
| M & P Dunn Limited | Construction | 2002 |
| M & S Intelligent Clean Ltd | Administrative & support | 2019 |
| M & S Properties Partnership Limited | Real estate | 2016 |
| M & S Property Services Ltd | Real estate | 2021 |
| M a Hussain Ltd | Professional & scientific | 2010 |
| M a J Developments Limited | Construction | 2012 |
| M a Marius Construction Ltd | Construction | 2022 |
| M a Properties (Management) Limited | Real estate | 2021 |
| M a Properties (UK) Ltd | Construction | 2014 |
| M and T Contractors Limited | Wholesale & retail | 1986 |
| M Asif Raza Ltd | Wholesale & retail | 2026 |
| M B Bargain Outlet Limited | Wholesale & retail | 2024 |
| M B Ilford Limited | Construction | 2025 |
| M B Occupation Ltd | Professional & scientific | 2023 |
| M Balta Costructions Ltd | Construction | 2025 |
| M BEG Acca Accountants Ltd | Professional & scientific | 2016 |
| M C M London Limited | Other services | 2015 |
| M C O Group Holdings Ltd | Financial services | 2024 |
| M Challis Contracts Limited | Construction | 2006 |
| M Data and Solutions Ltd | Information & communication | 2025 |
| M Dobson & SON Limited | Wholesale & retail | 2019 |
| M Driving School Limited | Education | 2025 |
| M Drywall Limited | Construction | 2024 |
| M Fashion Ltd | Wholesale & retail | 2019 |
| M G 111 Ltd | Administrative & support | 2016 |
| M G Ayurveda Limited | Health & social care | 2025 |
| M H Malik (Western) Limited | Wholesale & retail | 2015 |
| M H Wellington Limited | Real estate | 2016 |
| M Haulage Express Limited | Construction | 2025 |
| M Iftikhar Consultancy Ltd | Professional & scientific | 2019 |
| M K Professional Services Limited | Professional & scientific | 2022 |
| M Lynch Builders Limited | Construction | 2007 |
| M N I Traders Ltd | Wholesale & retail | 2024 |
| M Narula Enterprises Limited | Real estate | 2021 |
| M R Jarrett & Co Ltd | Information & communication | 2016 |
| M R S Trading Limited | Real estate | 2008 |
| M R TEK Ltd | Information & communication | 2019 |
| M Rahman Consulting Ltd | Professional & scientific | 2016 |
| M Redec Limited | Construction | 2024 |
| M S a Solutions Limited | Wholesale & retail | 2026 |
| M S Building and Construction Limited | Construction | 2024 |
| M S Hanover Ltd | Other services | 2016 |
| M S Marquees Ltd | Administrative & support | 2005 |
| M S Mouldings Ltd | Manufacturing | 2024 |
| M S Properties (London) LLP | | 2021 |
| M Sharif & Sons Ltd | Real estate | 2019 |
| M Squared Property Management Ltd | Financial services | 2020 |
| M Squared Surveyors Limited | Professional & scientific | 2017 |
| M Surgery Ltd | Health & social care | 2023 |
| M Three Service Ltd | Hospitality | 2021 |
| M Three Wedding and Events Limited | Wholesale & retail | 2025 |
| M U Pro Ltd | Wholesale & retail | 2022 |
| M Union Chemicals Limited | Wholesale & retail | 2021 |
| M&A Homes Ltd | Real estate | 2024 |
| M&A Kiki Ltd | Construction | 2017 |
| M&A Steel Fixing Civil Limited | Construction | 2019 |
| M&A Steel Fixing Limited | Construction | 2016 |
| M&C Maintenance Services Ltd | Construction | 2023 |
| M&G Heer Properties Ltd | Real estate | 2023 |
| M&H Coffee Ltd | Hospitality | 2022 |
| M&H Sons Ltd | Wholesale & retail | 2021 |
| M&I Culinary Group Ltd | Hospitality | 2025 |
| M&I Equity Ltd | Real estate | 2025 |
| M&I Project Ltd | Hospitality | 2025 |
| M&J Drylining Ltd | Construction | 2018 |
| M&J Fire Security & Electrical Limited | Construction | 2013 |
| M&Jco Ltd | Wholesale & retail | 2021 |
| M&Jot Ltd | Construction | 2024 |
| M&K Duct Work Ltd | Construction | 2025 |
| M&K Progroup Ltd | Construction | 2025 |
| M&L Clippers Ltd | Other services | 2024 |
| M&M Cleaning Group Limited | Administrative & support | 2021 |
| M&M Gants Hill Ltd | Hospitality | 2025 |
| M&M Realties Ltd | Real estate | 2023 |
| M&N Collections Ltd | Wholesale & retail | 2024 |
| M&N Services London Ltd | Other services | 2024 |
| M&P Facade Ltd | Construction | 2018 |
| M&Pr Limited | Construction | 2025 |