| JPH Water Limited | Professional & scientific | 2015 |
| JPI Hospitality Limited | Hospitality | 2020 |
| Jpingo's Flame Grill Limited | Hospitality | 2021 |
| JPJ Developers Limited | Real estate | 2020 |
| JPK Healthcare Homes Ltd | Health & social care | 2023 |
| JPM Commercial Interiors Limited | Construction | 2022 |
| JPN Bespoke Interiors Ltd | Manufacturing | 2022 |
| JPO Builders Ltd | Construction | 2020 |
| JPO Capital & Investments Limited | Households | 2023 |
| JPO Properties Limited | Real estate | 2023 |
| JPS Developments (Nottingham) Limited | Construction | 2020 |
| JPT Plumbing and Heating Ltd | Construction | 2026 |
| JR Electrical Projects Ltd | Construction | 2022 |
| JR Express Ltd | Transport & logistics | 2019 |
| JR NDT Solutions Limited | Professional & scientific | 2025 |
| JR Warburton Properties Limited | Real estate | 2026 |
| Jr's Olympia Health & Fitness Studio Limited | Real estate | 2003 |
| JRB IT Limited | Information & communication | 2020 |
| JRB Surgery Ltd | Health & social care | 2023 |
| JRC (Mansfield) Limited | Financial services | 2025 |
| JRD Flooring Services Ltd | Construction | 2016 |
| Jream Homes Ltd | Real estate | 2024 |
| JRH Business Consultancy Limited | Professional & scientific | 2014 |
| JRH Holdings Limited | Financial services | 2017 |
| JRH Support (Nottingham) Ltd | Education | 2017 |
| JRH Support LLP | | 2011 |
| Jriley Holdings Ltd | Wholesale & retail | 2024 |
| JRK Business Advisor Limited | Administrative & support | 2021 |
| JRL Property Investments Ltd | Real estate | 2023 |
| Jrline Ltd | Wholesale & retail | 2026 |
| JRM Surveying Limited | Professional & scientific | 2016 |
| Jrss Limited | Professional & scientific | 2023 |
| JRT Growth Solutions Ltd | Professional & scientific | 2025 |
| JRT Property Ltd | Real estate | 2022 |
| JRW Ventures Limited | Professional & scientific | 2025 |
| JS Associates Midlands Limited | Education | 2023 |
| JS Booley Limited | Extraterritorial | 2021 |
| JS Creations (Nottm) Ltd | Manufacturing | 2018 |
| JS Hubs and Co Ltd | Health & social care | 2019 |
| JS International Catering Ltd | Other services | 2024 |
| JS KOI Limited | Wholesale & retail | 2020 |
| JS Planning Limited | Professional & scientific | 2026 |
| JS Prime Enterprises Ltd | Professional & scientific | 2025 |
| JS Property Management East Midlands Limited | Real estate | 2020 |
| JS Waste Removals Limited | Water & waste | 2025 |
| Js-Mobile-Services Ltd | Transport & logistics | 2025 |
| JS. UK Solutions Ltd | Manufacturing | 2019 |
| JSA Estates Ltd | Real estate | 2018 |
| JSA Marine Services Ltd | Manufacturing | 2023 |
| JSB & Grandsons Limited | Financial services | 2025 |
| JSB Accountants Limited | Professional & scientific | 2021 |
| JSB Locums Limited | Health & social care | 2022 |
| JSB Motor Group Ltd | Wholesale & retail | 2022 |
| JSB Properties U.K Limited | Real estate | 2025 |
| JSB Recruitment Limited | Administrative & support | 2021 |
| JSC Design Ltd | Manufacturing | 2023 |
| Jscs Properties Ltd | Real estate | 2016 |
| JSE Contract Services Limited | Administrative & support | 2007 |
| JSE Enterprises Limited | Hospitality | 2025 |
| Jshass Limited | Wholesale & retail | 2022 |
| Jsherwood Ltd | Wholesale & retail | 2021 |
| JSJ Corporation Ltd | Wholesale & retail | 2021 |
| Jsjohnson Limited | Health & social care | 2026 |
| JSK Consulting Services Ltd | Professional & scientific | 2021 |
| JSK Electrical (Nottm) Ltd | Manufacturing | 2020 |
| Jskw Ltd | Administrative & support | 2014 |
| JSL Consultancy Services Limited | Information & communication | 2007 |
| JSL Plastering Limited | Construction | 2026 |
| Jsnaz Limited | Real estate | 2023 |
| Jspmuk Ltd | Real estate | 2023 |
| JSR Russon Properties Ltd | Real estate | 2025 |
| JSR Traders Limited | Wholesale & retail | 2025 |
| Jsrauk Ltd | Wholesale & retail | 2024 |
| Jssl Limited | Extraterritorial | 2024 |
| JST Vehicle Paint Specialists Limited | Wholesale & retail | 2021 |
| Jstep Social Care Limited | Health & social care | 2018 |
| JSZ Management Limited | Arts & recreation | 2014 |
| JT Aero Limited | Administrative & support | 2010 |
| JT Comms Ltd | Information & communication | 2013 |
| JT Maintenance Limited | Construction | 2024 |
| JT Mead Properties Ltd | Real estate | 2022 |
| JT Residential Lettings Limited | Real estate | 2026 |
| JT Site Engineering Ltd | Construction | 2021 |
| JT Soar Live Events Limited | Arts & recreation | 2025 |
| JT Specialist Projects Ltd | Construction | 2002 |
| JT Warehouse Ltd | Wholesale & retail | 2025 |
| JT Wholesale Ltd | Wholesale & retail | 2026 |
| JTA Accountants Limited | Professional & scientific | 2017 |
| JTA for Contractors Limited | Administrative & support | 2019 |
| JTB Notts Limited | Wholesale & retail | 2006 |
| JTD Autos Limited | Wholesale & retail | 2011 |
| JTD Web Design Ltd | Information & communication | 2019 |
| JTG Air Conditioning Limited | Construction | 2024 |
| Jthame Ltd | Hospitality | 2024 |
| JTO Design Limited | Construction | 2017 |
| JTR Marketing Limited | Administrative & support | 2024 |
| JTS Property Investing Ltd | Administrative & support | 2023 |
| JTS Property Services Ltd | Real estate | 2021 |
| JTS Property Services UK Ltd | Construction | 2025 |
| Jtservices.Welders Ltd | Construction | 2017 |