| Jurassic Coast Civils and Landscaping Ltd | Construction | 2023 |
| JUS Law Consultants Ltd | Administrative & support | 2018 |
| Jusbi Company Limited | Real estate | 2020 |
| Just 4 Properties Limited | Real estate | 2024 |
| Just Amazing Moments Events Limited | Other services | 2024 |
| Just ASK Cafe Limited | Hospitality | 2019 |
| Just Boutique (NW) Ltd | Wholesale & retail | 2015 |
| Just Chill Ltd | Hospitality | 2026 |
| Just Chill Social Ltd | Professional & scientific | 2022 |
| Just Drains Limited | Water & waste | 2019 |
| Just Extend NW Limited | Construction | 2025 |
| Just Fit Limited | Health & social care | 2017 |
| Just Glass & Windows Ltd | Construction | 2020 |
| Just Glass Limited | Construction | 2018 |
| Just Marine Aquatics Ltd | Wholesale & retail | 2019 |
| Just Pointing Ltd | Construction | 2021 |
| Just SO Group Limited | Information & communication | 2017 |
| Just Technology Group Ltd | Information & communication | 2006 |
| Just Technology Services Ltd | Information & communication | 2016 |
| Just That Company Ltd | Arts & recreation | 2025 |
| Just Thrifted Ltd | Wholesale & retail | 2021 |
| Just Tuck in Limited | Manufacturing | 2013 |
| Just Watch Event Management Ltd | Professional & scientific | 2013 |
| Justhelp Services Limited | Health & social care | 2025 |
| Justhinstone Contracts Ltd | Construction | 2025 |
| Justice Support Care Ltd | Health & social care | 2026 |
| Justin Kellett Opticians Limited | Health & social care | 2014 |
| JUTT471 Ltd | Wholesale & retail | 2024 |
| JV IT Consulting Limited | Information & communication | 2017 |
| JVC Ventures Ltd | Hospitality | 2018 |
| Jvcc Limited | Health & social care | 2022 |
| Jvevans Consultancy Ltd | Education | 2024 |
| JVF Construction Ltd | Construction | 2009 |
| JVM Holdings Ltd | Real estate | 2018 |
| JVR Garden Care Ltd | Administrative & support | 2025 |
| JW Data Solutions Limited | Information & communication | 2018 |
| JW Freight Limited | Transport & logistics | 2014 |
| JW Future Limited | Administrative & support | 2016 |
| JW Glass Ltd | Manufacturing | 2021 |
| JW Investment Holdings Ltd | Financial services | 2024 |
| JW Traders NW Ltd | Wholesale & retail | 2025 |
| JWB Environmental Ltd | Professional & scientific | 2025 |
| JWB Properties North West Limited | Real estate | 2025 |
| Jwbr Company Ltd. | Real estate | 2022 |
| Jwhittle Design Ltd | Professional & scientific | 2023 |
| JWL Developments Limited | Construction | 2018 |
| JWL Flooring NW Limited | Construction | 2025 |
| Jwmiller Electrical Ltd | Manufacturing | 2024 |
| JWP24 Limited | Manufacturing | 2014 |
| JWS Graphics Limited | Professional & scientific | 2025 |
| JWT Properties Limited | Real estate | 2003 |
| JY Frozen Foods Ltd | Manufacturing | 2023 |
| Jymj Ltd | Hospitality | 2023 |
| JZ Consultancy Limited | Professional & scientific | 2017 |
| K & C Properties (Services) Limited | Real estate | 2006 |
| K & M (Bolton) Limited | Real estate | 2018 |
| K & P Convenience Store Ltd | Wholesale & retail | 2025 |
| K & P Property Investments Limited | Real estate | 2015 |
| K & R Carpet Fitting Ltd | Construction | 2025 |
| K & S Services (UK) Limited | Construction | 2003 |
| K & V Software Services Limited | Information & communication | 1987 |
| K a H Industries Limited | Wholesale & retail | 2019 |
| K a Mobile HGV Ltd | Wholesale & retail | 2025 |
| K and H Limited | Health & social care | 2025 |
| K Bizz Limited | Administrative & support | 2018 |
| K Cell Ltd | Wholesale & retail | 2024 |
| K Convenience Ltd | Wholesale & retail | 2025 |
| K D Haulage Limited | Transport & logistics | 2019 |
| K D P Conveyancing Services Ltd | Professional & scientific | 2025 |
| K G Williams Property Management Limited | Real estate | 2025 |
| K Granite Holdings Ltd | Manufacturing | 2024 |
| K Guest Developments Limited | Construction | 2009 |
| K Hartley Limited | Professional & scientific | 2026 |
| K HOW Properties Limited | Real estate | 2025 |
| K Kapoor Consulting Limited | Administrative & support | 2019 |
| K Lever Plumbing & Heating Limited | Construction | 2013 |
| K M Promotions Ltd | Professional & scientific | 2020 |
| K M Warehouse Ltd | Wholesale & retail | 2010 |
| K Much Investements Ltd | Transport & logistics | 2025 |
| K P Fleming Trans National Ltd | Transport & logistics | 2019 |
| K Palm Properties Limited | Real estate | 2024 |
| K S Bolton Limited | Hospitality | 2025 |
| K Sonara Ltd | Health & social care | 2017 |
| K T Matthews Limited | Construction | 2012 |
| K W Hygiene Ltd | Health & social care | 2017 |
| K Watson Holdings Limited | Administrative & support | 2023 |
| K Wheels Ltd | Wholesale & retail | 2026 |
| K&A Advocates & Legal Consultants Limited | Professional & scientific | 2022 |
| K&A OFF Licence Ltd | Wholesale & retail | 2024 |
| K&H Associates Limited | Real estate | 2025 |
| K&M Holdings Ltd | Professional & scientific | 2015 |
| K&M Walker Enterprises Limited | Financial services | 2013 |
| K&P MC Associates Ltd | Wholesale & retail | 2022 |
| K&S Trade Frames Ltd | Wholesale & retail | 2023 |
| K&Z Limited | Hospitality | 2023 |
| K-2 Chippy Ltd | Hospitality | 2009 |
| K-Has Renovations Ltd | Construction | 2025 |
| K-Rism Multiservices Pro Ltd | Professional & scientific | 2022 |
| K-Tech Solutions Ltd | Information & communication | 2009 |
| K.A.G. Roofing & Joinery Limited | Construction | 2022 |