| Jigsaw Marketing Services Ltd | Information & communication | 2024 |
| Jigsor Limited | Manufacturing | 2011 |
| JIH Consultants Ltd | Information & communication | 2016 |
| Jihprop Limited | Real estate | 2023 |
| Jill Amavia Limited | Real estate | 1997 |
| JIM Catering Limited | Hospitality | 2012 |
| JIM Donovan Ltd | Administrative & support | 2019 |
| JIM Furniss Consulting Ltd | Professional & scientific | 2017 |
| JIM Ireland (Enterprises) Limited | Real estate | 1964 |
| JIM Payne (Golf) Ltd. | Arts & recreation | 1991 |
| Jimdo Limited | Real estate | 2008 |
| Jimmy & Jessy Private Ltd | Health & social care | 2015 |
| Jimmy's Noodle Bar Limited | Hospitality | 2018 |
| Jimmy’S Kettlesand Bespoke Jewellery Limited | Wholesale & retail | 2022 |
| Jims Express Ltd | Wholesale & retail | 2022 |
| Jimstar Ltd | Information & communication | 2023 |
| Jinsei Consultancy Ltd | Professional & scientific | 2023 |
| Jitz Invest Ltd | Financial services | 2020 |
| JIU WEI Ltd | Hospitality | 2020 |
| Jiyu Saoirse Limited | Administrative & support | 2023 |
| JJ & Sons Property Ltd | Real estate | 2026 |
| JJ (Oxton) Limited | Real estate | 2011 |
| JJ Auto Parts Ltd | Wholesale & retail | 2024 |
| JJ Bear Ltd | Administrative & support | 2012 |
| JJ Care Solutions Limited | Health & social care | 2020 |
| JJ Creative Liverpool Ltd | Information & communication | 2023 |
| JJ Day One Limited | Professional & scientific | 2022 |
| JJ Enterprises Liverpool Limited | Wholesale & retail | 2018 |
| JJ Housing Ltd | Households | 2018 |
| JJ Liver Properties Ltd | Real estate | 2021 |
| JJ Newsagent Ltd | Wholesale & retail | 2024 |
| JJ Properties Liverpool Ltd | Real estate | 2024 |
| JJ Safety & Risk Management Ltd | Extraterritorial | 2022 |
| JJ Titrations Limited | Health & social care | 2024 |
| JJ Vantara Capital Ltd | Wholesale & retail | 2026 |
| Jj's Grill Ltd | Hospitality | 2018 |
| Jj-Etlloyd Solutions Limited | Information & communication | 2016 |
| Jjas Engineering Limited | Professional & scientific | 2025 |
| JJB Building Maintenance Ltd | Construction | 2017 |
| JJB Electrics Ltd | Construction | 2024 |
| JJB Taxis Limited | Transport & logistics | 2021 |
| JJBARSL4 Ltd | Hospitality | 2026 |
| Jjbtelecoms Ltd | Information & communication | 2019 |
| JJC (Liverpool) Ltd | Real estate | 2026 |
| JJC Building Solutions Limited | Construction | 2025 |
| JJC Care Ltd | Health & social care | 2018 |
| JJC Equestrian Limited | Arts & recreation | 2023 |
| JJC Estates Northwest Limited | Real estate | 2025 |
| JJC Jumbo Limited | Hospitality | 2016 |
| Jjcurry Ltd | Health & social care | 2023 |
| Jjfn Holdings Ltd | Administrative & support | 2025 |
| Jjgc Construction Ltd | Construction | 2025 |
| JJH NW Ltd | Construction | 2026 |
| JJJ Properties(Nw) Limited | Households | 2020 |
| Jjjs Developments Ltd | Real estate | 2025 |
| JJK Rail Ltd | Professional & scientific | 2016 |
| Jjkellyproperties Limited | Real estate | 2024 |
| Jjkh Investments Ltd | Real estate | 2023 |
| JJL Group Ltd | Wholesale & retail | 2024 |
| Jjlm Property Ltd | Real estate | 2025 |
| JJM Engineering Limited | Construction | 2024 |
| Jjmcivils Limited | Construction | 2019 |
| Jjmori Properties Ltd | Real estate | 2025 |
| JJN Management Company Limited | Real estate | 2017 |
| JJP Lettings Limited | Real estate | 2022 |
| JJP Protection Limited | Professional & scientific | 2020 |
| JJR Facades Ltd | Construction | 2021 |
| JJR Forwarding Ltd | Financial services | 2026 |
| JJR NW Construction Ltd | Construction | 2026 |
| JJR Residential Limited | Real estate | 2026 |
| JJS Fabrication Ltd | Professional & scientific | 2026 |
| JJS Training Solutions Ltd | Education | 2010 |
| Jjsj Property Limited | Real estate | 2020 |
| JJW Group Ltd | Manufacturing | 2019 |
| Jjws Legal Assistance Limited | Professional & scientific | 2014 |
| JK Albor Ltd | Wholesale & retail | 2025 |
| JK Ashwood Property Investments Ltd | Real estate | 2026 |
| JK Barber Shop Ltd | Other services | 2006 |
| JK Beauty Salon Ltd | Other services | 2014 |
| JK Building Works and Maintenance Ltd | Construction | 2026 |
| JK Deal Advisory Ltd | Professional & scientific | 2021 |
| JK Dinner Limited | Hospitality | 2022 |
| JK LEE Limited | Real estate | 2025 |
| JK Painting Ltd | Construction | 2019 |
| JK Pallets Ltd | Manufacturing | 2012 |
| JK Patisserie Ltd | Manufacturing | 2023 |
| JK Property Commercial Ltd | Real estate | 2021 |
| JK Property Holding Ltd | Real estate | 2018 |
| JK Property Management Ltd | Administrative & support | 2019 |
| JK Property Residential Ltd | Real estate | 2019 |
| JK Risk Ltd | Professional & scientific | 2023 |
| JK Roberts Ltd | Other services | 2025 |
| JK Sefton Park Limited | Real estate | 2022 |
| JK Swire Limited | Manufacturing | 2020 |
| JK Taxis Ltd | Transport & logistics | 2014 |
| JK Taylor Property Management Limited | Real estate | 2026 |
| JK Vehicles Limited | Wholesale & retail | 2019 |
| JK9 Limited | Real estate | 2017 |
| JKA Consults Ltd | Professional & scientific | 2023 |
| JKB Consulting Ltd | Professional & scientific | 2025 |