| J B Stringer Ltd | Professional & scientific | 2009 |
| J E Boulton Ltd | Professional & scientific | 2019 |
| J Sephton Consulting Limited | Information & communication | 2019 |
| JAK Construction Ltd | Construction | 2019 |
| Jamarc Ltd | Administrative & support | 2006 |
| Jaspen Court Management Company Limited | Real estate | 2016 |
| JD Design & Consultancy Limited | Professional & scientific | 2018 |
| JDG Electrics Ltd | Construction | 2011 |
| JDH Decorators Ltd | Construction | 2023 |
| Jdmk Engineering Ltd | Manufacturing | 2024 |
| Jenco Designs Limited | Professional & scientific | 1997 |
| Jenerate Marketing Ltd | Administrative & support | 2013 |
| JG Engineering Design Ltd | Real estate | 1997 |
| JJQ Cheshire Limited | Wholesale & retail | 2009 |
| Jmax Knowsley Ltd | Real estate | 2020 |
| JMD Rail Consulting Ltd | Administrative & support | 2006 |
| Jmnh Consultancy Ltd | Other services | 2013 |
| JOE Clarke Design Ltd | Professional & scientific | 2024 |
| John Gilbert Consultancy Limited | Administrative & support | 2014 |
| John Holden Enterprises Ltd | Administrative & support | 2003 |
| Joindrive Limited | Administrative & support | 1989 |
| Jola Blinds Ltd | Manufacturing | 2016 |
| Jonmar Limited | Wholesale & retail | 1981 |
| JRV Surveys & Valuations Limited | Administrative & support | 2018 |
| JRW Consultancy Limited | Administrative & support | 2020 |
| JWC Validation Services Ltd | Professional & scientific | 2007 |
| Jwps (Staffs) Ltd | Real estate | 2014 |
| K F Property Company (Manchester) Limited | Construction | 2003 |
| K Habib Consulting Limited | Professional & scientific | 2010 |
| K J Czachur Limited | Professional & scientific | 2000 |
| Kalmen Ltd | Real estate | 2020 |
| KDH Applications Ltd | Professional & scientific | 2004 |
| KDL Business Services Limited | Professional & scientific | 2015 |
| Keenball Limited | Professional & scientific | 1995 |
| Kemlyn Legal Services Ltd | Administrative & support | 2010 |
| Keywood Properties Limited | Real estate | 2009 |
| Khites Ltd | Professional & scientific | 2015 |
| Kidblue Ltd | Professional & scientific | 2007 |
| KJK Handyman Services Ltd | Construction | 2017 |
| Knight Aerospace Ltd | Manufacturing | 2017 |
| Kuggar House Designs Ltd | Professional & scientific | 2021 |
| L Jeffs Optical Services Ltd | Health & social care | 2010 |
| Laburnum 2020 Ltd | Professional & scientific | 2020 |
| Ladybridge Park Management Company Limited | Arts & recreation | 1980 |
| Lagan Estates Limited | Construction | 2022 |
| Lanama Group Ltd | Administrative & support | 2025 |
| LAS Estrellas Ltd | Administrative & support | 2001 |
| Late Life Planning Ltd | Professional & scientific | 2015 |
| Lead-In Design Ltd | Professional & scientific | 2012 |
| Leada Ltd | Administrative & support | 2000 |
| Leada Property Ltd | Real estate | 2025 |
| Lean Solutions Limited | Professional & scientific | 2017 |
| Life Changing Spaces Ltd | Construction | 2020 |
| Limepeaks Ltd | Wholesale & retail | 2015 |
| Limestem GB Ltd | Professional & scientific | 2023 |
| Linro Limited | Construction | 2019 |
| Linus Berry Limited | Real estate | 2003 |
| LIZ Mccracken Design Limited | Professional & scientific | 2020 |
| LL Barrowcliff Ltd | Professional & scientific | 2012 |
| Lodgevale Ltd | Administrative & support | 1999 |
| Longstrike Engineering Ltd | Administrative & support | 1997 |
| Longthorpe Associates Ltd | Professional & scientific | 1997 |
| Lostock Drive Ltd | Professional & scientific | 2024 |
| Lucout Ltd | Professional & scientific | 2014 |
| M & K Barbers Ltd | Other services | 2020 |
| M Baxter Plumbing and Heating Limited | Construction | 2014 |
| M G Cases Limited | Administrative & support | 2006 |
| M Marsh Electrical C & I Engineering Limited | Professional & scientific | 2017 |
| M Roberts Consultancy Ltd | Professional & scientific | 2023 |
| M. I. (Manchester) Services Ltd | Other services | 2009 |
| Maccabaeus Ltd | Professional & scientific | 2002 |
| Mainer Associates Limited | Professional & scientific | 2012 |
| Mainfield Limited | Professional & scientific | 1993 |
| Mainmore Computing Ltd | Administrative & support | 1998 |
| Mallarda Ltd | Administrative & support | 2007 |
| Manage and Improve Consultancy Ltd | Education | 2008 |
| Manchester Property & Development (NO.2) Limited | Real estate | 2003 |
| MAP Engineering Ltd | Professional & scientific | 2022 |
| Mapole Scaffolding Services NW Ltd | Construction | 2025 |
| Mapsmp Ltd | Professional & scientific | 2024 |
| Mark Sharman CAD Services Ltd | Professional & scientific | 2011 |
| Marketing Sweet Spot Ltd | Professional & scientific | 2024 |
| Marline Associates Ltd | Administrative & support | 2007 |
| Maro Developments Limited | Real estate | 2002 |
| Maro Investments Limited | Real estate | 2002 |
| Masa Home Ltd | Real estate | 2022 |
| MBH Design Consultant Limited | Administrative & support | 2009 |
| Mcavoy Design Ltd | Professional & scientific | 2024 |
| MCI Health Investments Limited | Financial services | 2019 |
| MCI Health TOO Ltd | Financial services | 2024 |
| Mcsbowling Ltd | Administrative & support | 2002 |
| MD97 Properties Ltd | Real estate | 2019 |
| MDK Achievement Centres Limited | Other services | 2005 |
| MDS Services Ltd | Administrative & support | 2007 |
| Mealing Investments Limited | Real estate | 2018 |
| Mechanical Design Consultancy Ltd | Professional & scientific | 2006 |
| Megabox Consulting Ltd | Professional & scientific | 2018 |
| Menkal Limited | Professional & scientific | 2008 |
| Metrosecurelink Consulting Ltd | Professional & scientific | 2025 |
| Michael Smart Limited | Administrative & support | 2007 |