| Jkbw Limited | Real estate | 2020 |
| JKD Developments LLP | | 2016 |
| Jkdash Limited | Administrative & support | 2022 |
| Jkdtraining Ltd | Education | 2024 |
| Jkeh Company Limited | Real estate | 2023 |
| Jkf(Uk) Ltd | Wholesale & retail | 2020 |
| JKG Properties Midlands Ltd | Real estate | 2025 |
| Jkgnr Holdings Ltd | Financial services | 2026 |
| JKH Partitions Limited | Construction | 2007 |
| JKJ Finance Ltd | Professional & scientific | 2026 |
| JKJ Logistics Ltd | Extraterritorial | 2018 |
| JKK Exclusive Limited | Professional & scientific | 2015 |
| JKL Recruitment Ltd | Administrative & support | 2015 |
| JKN MSM Ltd T/A LUX Events Co Ltd | Other services | 2021 |
| JKR Associates Ltd | Professional & scientific | 2015 |
| JKR Footwear Limited | Administrative & support | 2015 |
| Jkrb Holding Ltd | Hospitality | 2026 |
| Jkrs Enterprise Limited | Health & social care | 2023 |
| JKS Superstore Limited | Wholesale & retail | 2026 |
| Jksh Limited | Real estate | 2025 |
| JL Albir Eurom Ltd | Wholesale & retail | 2025 |
| JL Education Consultants Ltd | Education | 2019 |
| JL Global Investments Holdings Limited | Financial services | 2023 |
| JL Padan Limited | Hospitality | 2025 |
| JL Property Ltd | Real estate | 2014 |
| Jl-Prestation Limited | Information & communication | 2017 |
| JLA Therapy & Wellbeing Ltd | Health & social care | 2022 |
| JLB Photography Ltd | Professional & scientific | 2022 |
| JLC.DISTRIBUTIONS1 Ltd | Wholesale & retail | 2025 |
| JLE 1920 Ltd | Real estate | 2025 |
| JLE Beauty & Co Ltd | Other services | 2025 |
| JLE Clarendon Developments Limited | Real estate | 2024 |
| JLE Clarendon Housing Limited | Real estate | 2025 |
| JLE Construction Limited | Construction | 2016 |
| JLE Home Services Limited | Construction | 2024 |
| Jlee Ltd | Real estate | 2022 |
| JLG Refurbs Ltd | Real estate | 2026 |
| JLH Bookkeeping Services Ltd | Professional & scientific | 2016 |
| JLH Hair & Lashes Ltd | Other services | 2020 |
| JLJ Group Ltd | Real estate | 2020 |
| JLK Consulting (London) Ltd | Professional & scientific | 2014 |
| JLL Fitness Limited | Wholesale & retail | 2012 |
| JLL Unicorn UK Limited | Real estate | 2021 |
| JLM Construction Ltd | Construction | 2025 |
| JLM Evergreen Ltd | Wholesale & retail | 2025 |
| JLM Holdings (WM) Ltd | Real estate | 2016 |
| JLM Link Ltd | Water & waste | 2022 |
| JLM Move in Ltd | Real estate | 2025 |
| JLN Enterprise Limited | Wholesale & retail | 2023 |
| JLP Consulting Ltd | Professional & scientific | 2020 |
| JLP Electrical Contractors Limited | Administrative & support | 2009 |
| JLS (Midlands) Ltd | Manufacturing | 2015 |
| JLS Homes Ltd | Real estate | 2025 |
| JLT Middleton Ltd | Real estate | 2017 |
| JLW Eats Ltd | Hospitality | 2026 |
| JM Property Enterprise Ltd | Real estate | 2018 |
| JM Bliss Ltd | Mining & quarrying | 2014 |
| JM Carpets Ltd | Wholesale & retail | 2025 |
| JM Chiro Ltd | Health & social care | 2024 |
| JM Claire Ltd | Wholesale & retail | 2025 |
| JM Drains Ltd | Water & waste | 2021 |
| JM Eco Installers Ltd | Administrative & support | 2019 |
| JM Facilities Ltd | Administrative & support | 2025 |
| JM Fine Fresh Limited | Wholesale & retail | 2024 |
| JM Impex Ltd | Wholesale & retail | 2024 |
| JM Labour & Recruitment Ltd | Construction | 2022 |
| JM MSM Ltd | Real estate | 2024 |
| JM Participations Limited | Financial services | 1984 |
| JM Private Limited | Wholesale & retail | 2025 |
| JM Property Solutions and Management Ltd | Households | 2025 |
| JM Psych Ltd | Health & social care | 2025 |
| JM Roofing (B'Ham) Limited | Construction | 2017 |
| JM Sangha Holdings Ltd | Financial services | 2026 |
| JM Shop 3 Ltd | Wholesale & retail | 2025 |
| JM Shop 6 Ltd | Wholesale & retail | 2025 |
| JM Vertrieb UND Vermittlung Limited | Manufacturing | 1999 |
| JM2D Ltd | Professional & scientific | 2025 |
| JM3RC Ltd | Wholesale & retail | 2025 |
| JMA Equity Ltd | Real estate | 2021 |
| JMA Pharma Ltd | Wholesale & retail | 2022 |
| JMA Practice Ltd | Administrative & support | 2016 |
| Jmall Sales Ltd | Administrative & support | 2025 |
| JMB Electrical Contractors Ltd | Construction | 2014 |
| JMB Healthcare Consultancy Ltd | Other services | 2023 |
| JMB Medical Limited | Health & social care | 2018 |
| Jmbnetco Ltd | Information & communication | 2026 |
| JMC Enterprise Limited | Construction | 2003 |
| JMC GAS & Electrical Services Ltd | Manufacturing | 2016 |
| Jmco Wholesale Ltd | Wholesale & retail | 2011 |
| JMD Accounts Ltd | Professional & scientific | 2017 |
| JMD Care Home Ltd | Other services | 2020 |
| JMD Energy Ltd | Transport & logistics | 2015 |
| JMD Great Barr Ltd | Real estate | 2025 |
| JMD Plumbing Ltd | Construction | 2024 |
| Jmdjg Ltd | Real estate | 2026 |
| JME Developments Limited | Construction | 2010 |
| Jmeg | Financial services | 2018 |
| JMF Motor Worx Ltd | Wholesale & retail | 2016 |
| JMF Services Group Ltd | Health & social care | 2026 |
| JMG Services (UK) Limited | Transport & logistics | 2013 |