| Leek Hockey Club (Trading) Limited | Arts & recreation | 2021 |
| Leek Hockey Club Limited | Arts & recreation | 2021 |
| Leek Hospitality Ltd | Hospitality | 2025 |
| Leek Kebab House Ltd | Hospitality | 2026 |
| Leek Link Ltd | Transport & logistics | 2019 |
| Leek Link Properties Ltd | Real estate | 2025 |
| Leek Masonic Hall Limited | Other services | 2019 |
| Leek Merchant Limited | Hospitality | 2025 |
| Leek Mobiles Ltd | Other services | 2019 |
| Leek Osteocare Ltd | Health & social care | 2026 |
| Leek Parkside Developments Limited | Real estate | 1971 |
| Leek Play Hub Ltd | Education | 2024 |
| Leek Radio CIC | Information & communication | 2020 |
| Leek Services Solutions Limited | Real estate | 2026 |
| Leek Signs & Graphics Ltd | Professional & scientific | 2010 |
| Leek Town FC CIC | Arts & recreation | 2021 |
| Leek Town Football Club Limited | Arts & recreation | 1977 |
| Leek Trading Ltd | Real estate | 2019 |
| Leek Transits Ltd | Wholesale & retail | 2025 |
| Leek Transmissions Centre Limited | Wholesale & retail | 1998 |
| Leek Transmissions Ltd | Wholesale & retail | 2025 |
| Leek Tyres Ltd | Wholesale & retail | 2026 |
| Leek Wine and Whisky Limited | Wholesale & retail | 2013 |
| Leekbrook House Management Company Limited | Extraterritorial | 1991 |
| Leekbrook News & OFF Licence Ltd | Wholesale & retail | 2013 |
| Leektech Limited | Information & communication | 2021 |
| Leektek CNC Services Limited | Professional & scientific | 2000 |
| Leisure Building Specialists Limited | Wholesale & retail | 2004 |
| Levac Limited | Extraterritorial | 2005 |
| Level UP Dance Studios Ltd | Arts & recreation | 2025 |
| LG26 Limited | Financial services | 2026 |
| Liam Duggan Financial Services Ltd | Professional & scientific | 2012 |
| Lifeworlds Learning Community Interest Company | Professional & scientific | 2010 |
| Lift Crew Ltd | Wholesale & retail | 2021 |
| Light Bulb Publishers Limited | Other services | 2018 |
| Limes Management (Leek) Limited | Real estate | 2021 |
| Lion House Tea Room Ltd | Hospitality | 2026 |
| Little Stars Childcare Staffordshire Limited | Health & social care | 2023 |
| Little Stars Early Years Send Provision CIC | Health & social care | 2025 |
| Live Love Loaf Ltd | Manufacturing | 2014 |
| Live to Your Living Room Ltd | Arts & recreation | 2020 |
| Llanfair Arms Limited | Hospitality | 2022 |
| Llmf Ltd | Professional & scientific | 2024 |
| Lloyds Angling Supplies Limited | Wholesale & retail | 2011 |
| LLP Property Co Ltd | Real estate | 2020 |
| LMW Farming Ltd | Agriculture & fishing | 2026 |
| Locumovservices Ltd | Professional & scientific | 2020 |
| Loraine Property Investment Ltd | Real estate | 2024 |
| Loraine Property Trading Ltd | Real estate | 2024 |
| Love Leek Card CIC | Administrative & support | 2026 |
| Love My Socks Limited | Wholesale & retail | 2015 |
| Lower Green Farm & Co LLP | | 2021 |
| Lower House Consulting Limited | Professional & scientific | 2021 |
| Lsgk Accountants Ltd | Professional & scientific | 2013 |
| LSS Electrical Limited | Construction | 2020 |
| LTH Plumbing and Heating Ltd | Construction | 2021 |
| Lucid Spark Theatre Ltd | Administrative & support | 2024 |
| Lumberjack Tree and Garden Services Limited | Administrative & support | 2025 |
| Lumily Books Ltd | Wholesale & retail | 2025 |
| LUX Electric Services Limited | Construction | 2020 |
| Lvcc Ltd | Administrative & support | 2025 |
| Lvdss Ltd | Administrative & support | 2025 |
| Lvhl Ltd | Administrative & support | 2025 |
| Lymehire Limited | Other services | 2016 |
| Lymer Doors Limited | Construction | 2003 |
| Lymer Holdings Ltd | Financial services | 2018 |
| Lynwood Developments Limited | Construction | 1989 |
| Lynwood Place Limited | Construction | 2018 |
| M & AH Holdings Ltd | Real estate | 2026 |
| M & M Plant Spares Ltd | Wholesale & retail | 2013 |
| M J Nicklin and Associates Limited | Professional & scientific | 2014 |
| M Limer Haulage Ltd | Transport & logistics | 2022 |
| M Shenton Ltd | Construction | 2023 |
| Madely Estates Ltd | Real estate | 2026 |
| Magic Textiles Limited | Manufacturing | 2008 |
| Maia Estates Ltd | Real estate | 2025 |
| MAID2MARKET Ltd | Administrative & support | 2026 |
| Maisey Daisey Ltd | Wholesale & retail | 2022 |
| Makaber Candles Ltd | Wholesale & retail | 2025 |
| Mallon & Green Ltd | Wholesale & retail | 2022 |
| Malvern Garden Buildings Ltd | Other services | 2009 |
| Malvern Hot Tubs and Spa Ltd | Other services | 2023 |
| Manchester E.N.T. Surgeons Limited | Health & social care | 2006 |
| Mane Staging Ltd | Construction | 2023 |
| Manifold Valley Meats Limited | Manufacturing | 2015 |
| MANOR38 Limited | Real estate | 2004 |
| Maple House Enterprise Ltd | Financial services | 2025 |
| Mapway Holdings Limited | Professional & scientific | 2007 |
| Mapway Limited | Information & communication | 2004 |
| Mapway Technologies Limited | Information & communication | 2000 |
| Marine Modular Slings Limited | Extraterritorial | 1942 |
| Mark Harrison Builders Limited | Construction | 2003 |
| Mark Leese Builder Ltd | Construction | 2009 |
| Marling Alberton Limited | Extraterritorial | 1998 |
| Marling Automotive UK Limited | Extraterritorial | 1923 |
| Marling Leek Limited | Manufacturing | 1963 |
| Marsh of Chorley Limited | Construction | 1958 |
| Master Lighting Solutions Limited | Construction | 2011 |
| Mateo & Co Property Group Ltd | Hospitality | 2025 |
| MAW Green Developments Ltd | Construction | 2017 |