| Lady T'S Driver Training Limited | Education | 2021 |
| LAJ Consult Limited | Information & communication | 2017 |
| Lane Facilities Ltd | Construction | 2025 |
| Lanmead Limited | Agriculture & fishing | 1983 |
| Latuske Consulting Ltd | Information & communication | 2019 |
| Laycroft Properties Limited | Construction | 2003 |
| Lb&S Investments Ltd | Wholesale & retail | 2022 |
| LBK Wolv Ltd | Hospitality | 2025 |
| Lelee Limited | Arts & recreation | 2020 |
| LEX Automotive Ltd | Wholesale & retail | 2024 |
| Lifestyle Homes & Developments Ltd | Construction | 2021 |
| Lignura Strategy Group Ltd | Administrative & support | 2026 |
| Limedot Limited | Real estate | 2017 |
| Linda Jayne Counselling Ltd | Health & social care | 2020 |
| Lipidev Ltd | Manufacturing | 2014 |
| Lisa Wormald Search Ltd | Administrative & support | 2024 |
| Little Buttons Boutique Limited | Wholesale & retail | 2019 |
| Little Wenlock Dairy Limited | Manufacturing | 2017 |
| Little Wenlock Enterprises Limited | Financial services | 2017 |
| Lizard Technology Ltd | Manufacturing | 2003 |
| LJH House Rentals Limited | Real estate | 2024 |
| Loisgordon Ltd | Professional & scientific | 2019 |
| Loud Hall Music Ltd | Information & communication | 2019 |
| Loumidis Properties Limited | Real estate | 2021 |
| LOW Flyer Hospitality Ltd | Information & communication | 2020 |
| Lowerwood CWG Ltd | Construction | 2023 |
| Loyalto Limited | Information & communication | 2018 |
| LS Finney Car Sales Ltd | Administrative & support | 2016 |
| Lsas Properties Limited | Real estate | 2017 |
| Luntbuild Ltd | Construction | 2024 |
| LWN Maintenance Ltd | Construction | 2026 |
| M & K Plant Property Limited | Real estate | 2017 |
| M J Dudley Limited | Construction | 1999 |
| M.J.Curle Limited | Construction | 1970 |
| M.R. Dean Limited | Manufacturing | 1969 |
| Malthouse Venture Limited | Real estate | 2009 |
| Manor Farm Monkhopton Ltd | Construction | 2024 |
| Marabhale Limited | Information & communication | 2024 |
| Mark Dady Associates Ltd | Professional & scientific | 2008 |
| Mark of Quality (Shropshire) Limited | Administrative & support | 2016 |
| Marmalade Holdings Limited | Real estate | 2020 |
| Martin & Lloyd Shrewsbury Ltd | Other services | 2020 |
| Mascott Limited | Real estate | 2018 |
| Matrix Gmoc Limited | Administrative & support | 2021 |
| Matrix Structures Limited | Manufacturing | 2015 |
| Maxine Bedworth Limited | Hospitality | 2002 |
| Mayberry View Management (NO 1) Limited | Households | 1990 |
| Mayfield Mews Management Company Limited | Households | 2006 |
| MB Logistics (Oxon) Limited | Transport & logistics | 2018 |
| Mclintock Family Holdings Limited | Administrative & support | 2001 |
| Mcneally Ltd | Wholesale & retail | 2026 |
| Mdesignz Ltd | Professional & scientific | 2021 |
| MDL Management Ltd | Health & social care | 2025 |
| Meadow Farm Sheriffhales Holdings Limited | Financial services | 2022 |
| Meadow Farm Sheriffhales Limited | Agriculture & fishing | 1998 |
| Mellow Supplements Ltd | Wholesale & retail | 2024 |
| Meno Health Limited | Education | 2018 |
| Merlin Paul Limited | Professional & scientific | 2017 |
| Merlin Quinn Limited | Professional & scientific | 2018 |
| Merve Karamolla International Limited | Wholesale & retail | 2023 |
| MI Trends UK Limited | Construction | 2023 |
| MID West Planning Ltd | Professional & scientific | 2010 |
| MID West Property Company Limited | Real estate | 2021 |
| Middle Wyke Holdings Limited | Financial services | 2019 |
| Middleton Civils Ltd | Construction | 2022 |
| Middleton Groundworks Ltd | Construction | 2008 |
| Middleton Jones Ltd | Administrative & support | 2013 |
| Midland Procurement Ltd | Professional & scientific | 2012 |
| Midland Vision Ltd | Real estate | 2010 |
| Midlands Air Ambulance Charity | Health & social care | 2011 |
| Midlands Air Ambulance Trading Limited | Administrative & support | 2012 |
| Midlands Auto Salvage Ltd | Wholesale & retail | 2026 |
| Midlands Building & Construction Limited | Construction | 2004 |
| Midlands Caravan Services Ltd | Administrative & support | 2025 |
| Midlands Medics (Care) Ltd | Health & social care | 2023 |
| Midnight Motion Ltd | Professional & scientific | 2019 |
| MIE Consultants Ltd | Construction | 2026 |
| Mijo Pet Products Ltd | Wholesale & retail | 2023 |
| Milwood Land (Stafford) Limited | Real estate | 2010 |
| Misgraceful Limited | Wholesale & retail | 2025 |
| Mixer and POD Services Limited | Manufacturing | 2025 |
| MJR Minimatt Limited | Wholesale & retail | 2011 |
| MKZ Construction Limited | Construction | 2020 |
| MMC Solutions Limited | Professional & scientific | 1998 |
| MNE Property Limited | Real estate | 2022 |
| MNE Vehicles Limited | Wholesale & retail | 2012 |
| Mobile Seeds (Borders) Limited | Agriculture & fishing | 1969 |
| Modifica Limited | Professional & scientific | 2025 |
| Montgomery Taff Limited | Financial services | 2017 |
| Morgan Property Limited | Real estate | 2016 |
| Morgan Realty Limited | Real estate | 2016 |
| Moto 68 Limited | Wholesale & retail | 2011 |
| Motorious Ltd | Wholesale & retail | 2024 |
| Mount Developments Limited | Wholesale & retail | 1988 |
| Move IT OR Lose IT Limited | Information & communication | 2010 |
| MT Medical Limited | Health & social care | 2012 |
| Much Wenlock Festival | Arts & recreation | 2010 |
| Mulberry Bush Day Nursery Shrewsbury Limited | Health & social care | 2023 |
| MW Plumbing Heating & Air Conditioning Ltd | Construction | 2017 |
| My SAP Calcs Limited | Professional & scientific | 2022 |