| Jpdm F&B Ltd | Hospitality | 2025 |
| Jpdm Holdings Ltd | Financial services | 2025 |
| JPI Building Control Approvers Limited | Professional & scientific | 2024 |
| JPI Fire & Building Regulation Consultants Ltd | Professional & scientific | 2021 |
| JPJ Consultancy Ltd | Professional & scientific | 2023 |
| JPJ Investment Property Ltd | Real estate | 2020 |
| JPL (Stockport) Ltd | Professional & scientific | 2017 |
| JPM Vehicles Ltd | Wholesale & retail | 2011 |
| JPR Asbestos Services Limited | Professional & scientific | 2006 |
| JR Commodity Consulting Ltd | Professional & scientific | 2021 |
| JR Donaldson Ltd | Health & social care | 2017 |
| JRC Bricklaying Ltd | Construction | 2022 |
| JRC Consultants Limited | Professional & scientific | 2011 |
| JRC Electrical Engineers Ltd | Construction | 2006 |
| JRH Lettings Ltd | Real estate | 2023 |
| Jroger Ltd. | Financial services | 2023 |
| Jrps Groundwork Limited | Construction | 2024 |
| Jrps Group Holdings Ltd | Financial services | 2023 |
| JRS Real Estates Ltd | Construction | 2024 |
| JRT Windows Ltd | Construction | 2025 |
| JS Actuarial Analytics Limited | Professional & scientific | 2026 |
| JS Assist Ltd | Health & social care | 2025 |
| JS Customs Clearance Services Ltd | Wholesale & retail | 2019 |
| JS Developers Ltd | Real estate | 2018 |
| JS Financial Solutions Ltd | Financial services | 2025 |
| JSA Green Estates Limited | Real estate | 2025 |
| JSB Estate Solutions Ltd | Real estate | 2024 |
| JSB Group MCR Ltd | Wholesale & retail | 2024 |
| JSC Electrical Limited | Construction | 2026 |
| JSD & Sons Ltd | Administrative & support | 2014 |
| JSE Connect Ltd | Administrative & support | 2024 |
| JSH Mechanical Engineering Limited | Professional & scientific | 2018 |
| JSL Drive Limited | Administrative & support | 2017 |
| JSL Propco Limited | Real estate | 2022 |
| JSS Services Limited | Administrative & support | 2017 |
| JT Business Support Ltd | Professional & scientific | 2023 |
| JT Digital Capital Ltd. | Wholesale & retail | 2022 |
| Jtexcel Limited | Wholesale & retail | 2020 |
| JTR Property Development Limited | Real estate | 2021 |
| Jubacana CIC | Arts & recreation | 2024 |
| Juddah & Sons Limited | Real estate | 2025 |
| Jude Morris-King Limited | Professional & scientific | 2019 |
| Jugri Holdings Limited | Real estate | 2025 |
| Juicy the Agency Limited | Professional & scientific | 2023 |
| Jukes Homes Ltd | Real estate | 2021 |
| Jukes Investments Ltd | Real estate | 2019 |
| Jumbo Grips Limited | Information & communication | 2022 |
| Jummystorehair Limited | Wholesale & retail | 2025 |
| Jump the Building Limited | Education | 2020 |
| Junction Garage Limited | Wholesale & retail | 2017 |
| Junction Hucknall Management Co. Limited | Households | 2006 |
| Junction Inn (Oldham) Ltd | Hospitality | 2018 |
| Juno Business Services Ltd | Administrative & support | 2023 |
| Junoai Ltd | Information & communication | 2025 |
| Just Drive MCR Ltd | Wholesale & retail | 2024 |
| Just IB Limited | Financial services | 2024 |
| Just Motors-Uk Ltd | Wholesale & retail | 2022 |
| Just Movement Limited | Arts & recreation | 2018 |
| Just Plain Carpets and Saddleworth Beds Ltd | Wholesale & retail | 2021 |
| Justben PVT Ltd | Health & social care | 2026 |
| Justdone Limited | Construction | 2023 |
| Justified Holdings Ltd | Financial services | 2026 |
| Justified Studio Ltd | Professional & scientific | 2019 |
| Justletz Ltd | Real estate | 2020 |
| Justtech Media Ltd | Administrative & support | 2014 |
| Jvtaah Limited | Wholesale & retail | 2023 |
| JVW Car Sales Ltd | Wholesale & retail | 2012 |
| JW Medicolegal Ltd | Professional & scientific | 2025 |
| JW Rail & Training Limited | Other services | 2025 |
| JW Trading Ltd | Wholesale & retail | 2024 |
| JWA Joinery Ltd | Construction | 2025 |
| JWD Innovation Ltd | Professional & scientific | 2023 |
| Jwepanda Limited | Information & communication | 2013 |
| JWM Accountancy Ltd | Professional & scientific | 2026 |
| JWP One Co. Ltd | Real estate | 2024 |
| JWS Electrical North West Ltd | Construction | 2018 |
| JWS North West Property Limited | Real estate | 2021 |
| JWS Renewables Limited | Construction | 2024 |
| JWU Trades Limited | Wholesale & retail | 2025 |
| JXN Digital Ltd | Information & communication | 2025 |
| K & G Sheet Metal Limited | Manufacturing | 2009 |
| K & G Spa Ltd | Arts & recreation | 2019 |
| K & L Barrow (Home Improvements) Ltd | Construction | 2003 |
| K & M Green Limited | Construction | 2024 |
| K & S Taverns Limited | Hospitality | 2024 |
| K & Sons Construction Ltd | Construction | 2019 |
| K & Y Technologies Limited | Administrative & support | 2024 |
| K a Properties Oldham Ltd | Real estate | 2025 |
| K Aathiseya Ltd | Wholesale & retail | 2025 |
| K and S Discounts Ltd | Manufacturing | 2013 |
| K B Construction (Saddleworth) Ltd | Construction | 2024 |
| K Baig Locum Ltd | Health & social care | 2026 |
| K Bathrooms Limited | Construction | 2014 |
| K C Cleaning 2 Ltd | Administrative & support | 2015 |
| K C Traktor House Ltd | Households | 2019 |
| K DOC PVT Ltd | Health & social care | 2021 |
| K Hill Surveyors Limited | Professional & scientific | 2025 |
| K L Hair Studio Ltd | Other services | 2026 |
| K L Leasing Limited | Administrative & support | 2010 |
| K L Transport Limited | Transport & logistics | 2006 |