| JQ Birmingham Properties Limited | Real estate | 2019 |
| JQ Serviced Accommodation Ltd | Real estate | 2025 |
| JR Bespoke Ltd | Manufacturing | 2020 |
| JR Construction & Sons Ltd | Construction | 2025 |
| JR Exclusives Limited | Wholesale & retail | 2020 |
| JR Facilities & Management Services Ltd | Real estate | 2025 |
| JR Financial Limited | Financial services | 2023 |
| JR Liverpool Property Ltd | Real estate | 2025 |
| JR Nook Developments Limited | Real estate | 2024 |
| JR Planner Ltd | Education | 2020 |
| JR Properties NW Ltd | Real estate | 2026 |
| JR Residents Ltd | Real estate | 2025 |
| JR Smart Investments Limited | Real estate | 2021 |
| JR Trade Ltd | Wholesale & retail | 2025 |
| Jr&P Ltd | Real estate | 2025 |
| JR49 Limited | Real estate | 2021 |
| JRB Holdco Limited | Financial services | 2026 |
| JRB Music Limited | Information & communication | 2016 |
| JRC Construction & Development Limited | Construction | 2023 |
| JRC Legal Limited | Professional & scientific | 2025 |
| JRC Software Development Limited | Information & communication | 2021 |
| JRD Renovations Ltd | Real estate | 2025 |
| Jrdiamond Limited | Professional & scientific | 2018 |
| JRF Electrical Ltd | Construction | 2022 |
| JRF Scaffolding Limited | Construction | 2016 |
| Jrjc Ltd | Households | 2020 |
| Jrjohnston Ltd | Construction | 2019 |
| JRL Competitions Ltd | Wholesale & retail | 2025 |
| JRM Legal Sols Ltd | Professional & scientific | 2025 |
| JRN Developments Ltd | Real estate | 2018 |
| Jrob Projects Ltd | Professional & scientific | 2020 |
| JRP Deco Limited | Construction | 2023 |
| JRR Consulting NW Ltd | Professional & scientific | 2026 |
| JRS Investment Group Limited | Real estate | 2025 |
| JRT Fencing Supplies Limited | Construction | 2025 |
| JRT Holdings NW Ltd | Financial services | 2025 |
| JRT Property Group Ltd | Real estate | 2025 |
| JRW Ltd | Agriculture & fishing | 2024 |
| JRW Properties Group Ltd | Real estate | 2023 |
| JRW Ruddock Limited | Construction | 2000 |
| Jryane Ltd | Wholesale & retail | 2021 |
| JS Assets Limited | Real estate | 2022 |
| JS Burgess Holdings Limited | Administrative & support | 2022 |
| JS Civils Ltd | Professional & scientific | 2023 |
| JS Cleaning SERVICES11 Ltd | Administrative & support | 2021 |
| JS Construction Engineering Ltd | Construction | 2015 |
| JS Driveways (NW) Ltd | Construction | 2018 |
| JS Driving Ltd | Transport & logistics | 2025 |
| JS Infrastructure Ltd | Professional & scientific | 2026 |
| JS Marchioro Property Solutions Limited | Households | 2025 |
| JS Personal Training Ltd | Education | 2015 |
| JS Pro Construction Ltd | Construction | 2025 |
| JS Prom & Special Occasions Limited | Wholesale & retail | 2014 |
| JS Property Liverpool Ltd | Real estate | 2025 |
| JS Site Cleaning Services (NW) Ltd | Administrative & support | 2023 |
| JS Tyres & Exhaust Ltd | Other services | 2008 |
| JSA Precision Engineering Ltd | Professional & scientific | 2003 |
| Jsam Creative Limited | Professional & scientific | 2024 |
| JSB Mechanical Services Limited | Professional & scientific | 2025 |
| JSC Building Solutions Ltd | Construction | 2020 |
| Jscs Group Ltd | Hospitality | 2019 |
| Jscs Services Ltd | Real estate | 2024 |
| JSD Brickwork Ltd | Construction | 2021 |
| JSE Corporation Limited | Construction | 2019 |
| JSE Electrical (NW) Ltd | Construction | 2013 |
| JSF Investments Limited | Real estate | 2024 |
| JSF Maintenance Group Ltd | Construction | 2025 |
| JSH Builds Ltd | Manufacturing | 2023 |
| JSH Construction Ltd | Construction | 2021 |
| Jsjn Retail Ltd | Wholesale & retail | 2022 |
| JSK Assets Limited | Real estate | 2023 |
| JSK Property Projects Ltd | Real estate | 2025 |
| JSL Cars Repair Ltd | Wholesale & retail | 2026 |
| JSL Legal Ltd | Professional & scientific | 2025 |
| JSL Property Lettings Ltd | Real estate | 2022 |
| JSM Assets Ltd | Real estate | 2023 |
| JSM Bar and Leisure Ltd | Real estate | 2012 |
| JSM Building Maintenance (UK) Ltd | Construction | 2018 |
| JSM Catering (UK) Ltd | Hospitality | 2008 |
| JSM Civils & Construction UK Ltd | Construction | 2020 |
| JSM Coaching Ltd | Health & social care | 2024 |
| JSM Company Group Ltd | Real estate | 2015 |
| JSM Complex Group Ltd | Households | 2018 |
| JSM Construction (UK) Limited | Construction | 2014 |
| JSM Consultancy Limited | Administrative & support | 2019 |
| JSM Electrical NW Ltd | Construction | 2025 |
| JSM Estates Group Ltd | Real estate | 2026 |
| JSM Freeholds Ltd | Real estate | 2018 |
| JSM Holding Group Limited | Financial services | 2018 |
| JSM Home Builders Ltd | Construction | 2021 |
| JSM Homes Limited | Extraterritorial | 2015 |
| JSM Houses Ltd | Extraterritorial | 2016 |
| JSM Investment Group Ltd | Real estate | 2018 |
| JSM Property Group Ltd | Other services | 2018 |
| JSM Property Investments Ltd | Real estate | 2019 |
| JSM Property Ventures Ltd | Real estate | 2024 |
| JSM Tech Consultants Ltd | Professional & scientific | 2024 |
| JSM UK Holdings Ltd | Professional & scientific | 2015 |
| Jsml Limited | Manufacturing | 2012 |
| Jsmpainting Ltd | Construction | 2025 |