| Luxinline Ltd | Wholesale & retail | 2026 |
| Luxspray Ltd | Construction | 2025 |
| Luxurious Giveaways Ltd | Arts & recreation | 2020 |
| Luxury Carpets & Floorz Ltd | Wholesale & retail | 2021 |
| Luxury for Pennies Limited | Wholesale & retail | 2022 |
| Luxury Journeys Limited | Financial services | 2024 |
| Luxury Kitchen Oldham Ltd | Manufacturing | 2024 |
| Luxurylifeboutique Limited | Wholesale & retail | 2023 |
| Luxymotors Limited | Wholesale & retail | 2025 |
| LV Resources Ltd | Real estate | 2021 |
| Lv’Enses Manchester Ltd | Other services | 2023 |
| LW Property Holdings Limited | Real estate | 2023 |
| Lyberia Ltd | Wholesale & retail | 2024 |
| Lydgate Accountancy Limited | Professional & scientific | 2014 |
| Lydgate Fold Management Company Limited | Households | 1989 |
| Lydgate Glass & Glazing Ltd | Construction | 2021 |
| Lydgate Property Group Ltd | Real estate | 2023 |
| Lyham Road Limited | Hospitality | 2013 |
| Lyme Place (Dukinfield) Management Company Limited | Households | 2017 |
| Lymm Catering Services Limited | Hospitality | 2019 |
| Lynda & Mark Ltd | Wholesale & retail | 2015 |
| Lynden Holdings Limited | Financial services | 2017 |
| Lynn Webster Consultants Limited | Administrative & support | 2004 |
| Lynne Helliwell NLP Training and Coaching Ltd | Health & social care | 2024 |
| Lynne's Community Care Services Ltd | Health & social care | 2018 |
| Lynns Estates Ltd | Real estate | 2025 |
| Lynton Automotive Limited | Real estate | 2010 |
| Lynton Group Holdings Limited | Financial services | 2026 |
| Lynton Refrigeration Limited | Manufacturing | 1987 |
| Lyon Mill Management Company Limited | Households | 2007 |
| Lyons Joinery Limited | Manufacturing | 2021 |
| Lyons Nest Properties Ltd | Real estate | 2025 |
| Lyonssolutions Ltd | Wholesale & retail | 2025 |
| Lyricus AI Ltd | Information & communication | 2026 |
| LZ12 Ltd | Other services | 2017 |
| M & a Poultry Farm Ltd | Professional & scientific | 2022 |
| M & D L Estates Ltd | Real estate | 2024 |
| M & D L Investments Ltd | Real estate | 2022 |
| M & DT Properties Ltd | Real estate | 2025 |
| M & J Hospitality Limited | Hospitality | 2025 |
| M & M Autocare Limited | Wholesale & retail | 2014 |
| M & M Textiles (Holdings) Limited | Professional & scientific | 2006 |
| M & M Textiles Limited | Wholesale & retail | 2017 |
| M & N Build Ltd | Construction | 2023 |
| M & S (North West) Limited | Construction | 2014 |
| M a Fastfood (Manchester) Ltd | | 2013 |
| M and P PUB Management Limited | Hospitality | 2020 |
| M Ashraf Properties Ltd | Real estate | 2021 |
| M B Electrical Services (NW) Ltd | Construction | 2024 |
| M B Islam Properties Ltd | Real estate | 2026 |
| M D Driveways Limited | Administrative & support | 2015 |
| M D Grocery(Oldham) Limited | Wholesale & retail | 2024 |
| M Evans Driving Services Ltd | Transport & logistics | 2017 |
| M H Advisory Ltd | Professional & scientific | 2022 |
| M H Commercial Lettings Ltd | Real estate | 2008 |
| M H Interiors (NW) Limited | Construction | 2012 |
| M I Developments NW Ltd | Construction | 2025 |
| M I K Direct Limited | Wholesale & retail | 2020 |
| M J Acquisitions Ltd | Wholesale & retail | 2018 |
| M J Metal Finishers Limited | Manufacturing | 2009 |
| M J Noble Plumbing Services Limited | Construction | 2007 |
| M K Brinnington Ltd | Wholesale & retail | 2025 |
| M Motor G Ltd | Wholesale & retail | 2026 |
| M Nelson & SON Limited | Construction | 2004 |
| M P J DON Ltd | Financial services | 2015 |
| M P Properties Residential Limited | Real estate | 2013 |
| M R (Ormskirk) Ltd | Hospitality | 2018 |
| M R Entirely Limited | Real estate | 2022 |
| M Rafi Limited | Wholesale & retail | 2016 |
| M Rafi Properties Limited | Real estate | 2019 |
| M S Properties & Builders Ltd | Construction | 2023 |
| M Sohail Ltd | Construction | 2025 |
| M Spark Solutions Ltd | Construction | 2025 |
| M Swift Building Contractors Limited | Construction | 2009 |
| M V F (2001) Limited | Construction | 2003 |
| M W R (Oldham) Limited | Hospitality | 2019 |
| M Z Medical Consultancy Ltd | Health & social care | 2022 |
| M Zaheer Ltd | Health & social care | 2012 |
| M Zain Capital Limited | Wholesale & retail | 2025 |
| M& B Tech Ltd | Wholesale & retail | 2024 |
| M&A Lali Properties Ltd | Real estate | 2024 |
| M&A Styles Ltd | Manufacturing | 2018 |
| M&D Bespoke Properties Ltd | Real estate | 2023 |
| M&G Architecture Ltd. | Extraterritorial | 2013 |
| M&H Shadi Ltd | Households | 2025 |
| M&K Travel Limited | Extraterritorial | 2022 |
| M&M Brandwood Ltd | Construction | 2023 |
| M&M Hair & Beauty Studio Ltd | Other services | 2023 |
| M&M Mechanical Installations Ltd | Manufacturing | 2021 |
| M&P Lets Ltd | Real estate | 2020 |
| M&R Echo Limited | Professional & scientific | 2022 |
| M&R Installation Services Ltd | Other services | 2022 |
| M&R Solutions Ltd | Administrative & support | 2011 |
| M&S Childcare Ltd | Health & social care | 2024 |
| M&S Combustion Ltd | Manufacturing | 2019 |
| M&S Enterprises (Middleton) Ltd | Wholesale & retail | 2009 |
| M&S Fabrication Services Ltd | Manufacturing | 2023 |
| M&S Happy Cart Ltd | Wholesale & retail | 2025 |
| M&S Motor Body Repair Ltd | Wholesale & retail | 2024 |
| M&U Enterprise Ltd | Hospitality | 2025 |