| J D G Associates Limited | Professional & scientific | 1995 |
| J D Southport Ltd | Hospitality | 2020 |
| J Davies Professional Painters & Decorators Limited | Construction | 2014 |
| J Deary Holding Ltd | Financial services | 2024 |
| J Dooley Ltd | Health & social care | 2018 |
| J Doran Building Ltd | Construction | 2013 |
| J E Barlow Ltd | Professional & scientific | 2018 |
| J Electrical Services Ltd | Construction | 2016 |
| J F B Electrical Services Limited | Construction | 2002 |
| J F Catering Limited | Hospitality | 2017 |
| J F K Properties Limited | Real estate | 2008 |
| J F Roberts Property Limited | Real estate | 2024 |
| J Fletcher Financial Limited | Financial services | 2013 |
| J FOX Properties Ltd | Real estate | 2025 |
| J G Eckersall Locksmiths Ltd | Manufacturing | 2018 |
| J G Elect Ltd | Construction | 2014 |
| J G Financial Solutions Ltd | Financial services | 2003 |
| J G Fitouts Ltd | Professional & scientific | 2022 |
| J G Parry Developments Limited | Real estate | 2012 |
| J Goggs Holdings Ltd | Financial services | 2023 |
| J Guilhem Lamberti Ltd | Professional & scientific | 2013 |
| J H Turner & Co | Real estate | 2013 |
| J Harrison Ltd | Transport & logistics | 2024 |
| J Hayes Ltd | Administrative & support | 2018 |
| J Hird Plastering Ltd | Construction | 2006 |
| J Hogan Construction Ltd | Construction | 2023 |
| J Howard Building Ltd | Construction | 2015 |
| J Hunter Developments Ltd | Construction | 2024 |
| J I Morris Trading Limited | Wholesale & retail | 2016 |
| J I Wilson Ltd | Health & social care | 2015 |
| J I Wilson Property Ltd | Real estate | 2018 |
| J J Auto and Tyre Ltd | Wholesale & retail | 2019 |
| J J Eco Ltd | Construction | 2023 |
| J J Hutton Electrical Engineering Contractors Limited | Construction | 2002 |
| J J Landscapes Limited | Administrative & support | 2020 |
| J J R Financial Solutions Limited | Financial services | 2013 |
| J K Brickwork (NW) Ltd | Construction | 2015 |
| J K L Decorators Ltd | Construction | 2023 |
| J K Wilson Electrical Limited | Construction | 2025 |
| J KAY Transport Ltd | Transport & logistics | 2025 |
| J Kendrick Motors Ltd | Wholesale & retail | 2019 |
| J Kersh Commercial Ltd | Real estate | 2015 |
| J L Hesketh Ltd | Education | 2023 |
| J Laird Property Ltd | Real estate | 2025 |
| J Lovelace Properties Ltd | Real estate | 2021 |
| J M Caddick Ltd | Professional & scientific | 2012 |
| J M Care (Northwest ) Ltd | Health & social care | 2019 |
| J M Cars Ltd | Wholesale & retail | 2011 |
| J M Loveridge Limited | Wholesale & retail | 2007 |
| J M Professional Services Ltd | Real estate | 2020 |
| J M Sea Limited | Transport & logistics | 2012 |
| J M Sports Horses Ltd | Agriculture & fishing | 2025 |
| J M Zelin Trading Limited | Professional & scientific | 2021 |
| J Mitchell & Sons Ltd | Real estate | 2013 |
| J Morgan Site Management Ltd | Professional & scientific | 2019 |
| J Moss Developments Limited | Construction | 1994 |
| J Napier Tipper Hire Ltd | Water & waste | 2019 |
| J P Edwards Roofing Limited | Construction | 2019 |
| J P Hairdressing Ltd | Other services | 2019 |
| J P Mcpoland Limited | Construction | 2003 |
| J P Solutions (North West) Limited | Administrative & support | 2019 |
| J P W Estates Limited | Construction | 2007 |
| J P Welford Ltd | Manufacturing | 2015 |
| J Patterson Consultancy Ltd | Professional & scientific | 2025 |
| J Poulter Properties Limited | Real estate | 2024 |
| J R G Properties Ltd | Real estate | 2002 |
| J R Gleed Properties Limited | Real estate | 2017 |
| J R Smith Brickwork Ltd | Construction | 2026 |
| J Raven Advisory Limited | Professional & scientific | 2023 |
| J Rentals Ltd | Administrative & support | 2025 |
| J Riley Joinery Services Limited | Construction | 2009 |
| J Risley Limited | Professional & scientific | 2015 |
| J Ritchie Limited | Wholesale & retail | 2020 |
| J Rowan T/A the Saltbox Limited | Hospitality | 2022 |
| J S Clayton (Plant Hire ) Ltd | Construction | 2017 |
| J S H Payroll Ltd | Professional & scientific | 2015 |
| J S Surveying Ltd | Professional & scientific | 2024 |
| J S Walker Ltd | Information & communication | 2021 |
| J SAI Ltd | Wholesale & retail | 2023 |
| J Sharp MC Ltd | Administrative & support | 2022 |
| J Squared Investments Ltd | Real estate | 2024 |
| J Sterling Electrical Ltd | Construction | 2019 |
| J T Commercials Limited | Other services | 2016 |
| J T Doyle Limited | Real estate | 2017 |
| J T F Civils Limited | Construction | 2019 |
| J T O'Sullivan Telecoms Ltd | Information & communication | 2018 |
| J T Property Development NW Ltd | Real estate | 2022 |
| J Telecoms Limited | Information & communication | 2024 |
| J Turpin Trading Limited | Professional & scientific | 2021 |
| J U Construction Specialists Ltd | Construction | 2025 |
| J W a Contracts Ltd | Professional & scientific | 2020 |
| J W Facilities Management Ltd | Construction | 2023 |
| J W Flannery Trading Limited | Professional & scientific | 2019 |
| J W Mcqueen Transport Limited | Transport & logistics | 2011 |
| J W News Ltd | Wholesale & retail | 2008 |
| J W Technologies Limited | Professional & scientific | 2014 |
| J Wardrobe Limited | Wholesale & retail | 2023 |
| J Whitelaw Mech Services Ltd | Manufacturing | 2018 |
| J Williamson Couriers Ltd | Other services | 2019 |
| J Wilson Productions Ltd | Professional & scientific | 2009 |