| JAY & J Properties Ltd | Real estate | 2026 |
| JAY & Rosh Real Estate Ltd | Real estate | 2019 |
| JAY Avad Limited | Real estate | 2024 |
| JAY Banerjee Consultancy Ltd | Professional & scientific | 2018 |
| JAY Bavishiyu Ltd | Wholesale & retail | 2025 |
| JAY Bhavani Association Diu-Leicester CIC | Health & social care | 2016 |
| JAY Bilnath Ltd | Wholesale & retail | 2026 |
| JAY Cars Ltd | Wholesale & retail | 2026 |
| JAY Electrical Ltd | Construction | 2020 |
| JAY Furniture Fittings Limited | Wholesale & retail | 1989 |
| JAY Gorania Estates Ltd | Real estate | 2021 |
| JAY Jalaram Nasta & Colddrinks Ltd | Wholesale & retail | 2025 |
| JAY Jaliyan Superstore Ltd | Wholesale & retail | 2023 |
| JAY Lakhmi Ltd | Wholesale & retail | 2026 |
| JAY Liral Ltd | Wholesale & retail | 2025 |
| JAY Lirbai MA Ltd | Real estate | 2024 |
| JAY MAY Limited | Hospitality | 2026 |
| JAY Motion Auto Car Dealership Ltd | Wholesale & retail | 2026 |
| JAY Pragati Leicester Ltd | Manufacturing | 2022 |
| JAY Pragati Ltd | Manufacturing | 2017 |
| JAY Ramdoot Ltd | Real estate | 2011 |
| JAY Welch Joinery Limited | Construction | 2008 |
| Jay's Capital Limited | Administrative & support | 2015 |
| Jay's Distribution Ltd | Wholesale & retail | 2008 |
| Jay's News and OFF Licence Ltd | Wholesale & retail | 2002 |
| JAY2JAY Ltd | Professional & scientific | 2021 |
| Jaya Properties Limited | Real estate | 2015 |
| Jayambe Convenience & OFF Licence Ltd | Wholesale & retail | 2026 |
| Jaybees International Ltd | Real estate | 2026 |
| Jaycee Packaging Limited | Wholesale & retail | 1987 |
| Jayden Smith Group Ltd | Manufacturing | 2023 |
| Jayes Wilcox Developments Ltd | Construction | 2024 |
| Jaykish Investments Ltd | Real estate | 2018 |
| Jayma Events Ltd | Hospitality | 2025 |
| Jaymac (Derby) Limited | Wholesale & retail | 1990 |
| Jayna Radia Physiotherapy Ltd | Other services | 2024 |
| Jayoval Limited | Administrative & support | 2018 |
| Jayplas Mouldings Limited | Manufacturing | 2004 |
| Jaysar Enterprises Ltd | Real estate | 2014 |
| Jaysar Investments Limited | Real estate | 2016 |
| Jaysar Motors Limited | Wholesale & retail | 2008 |
| Jayshal Consultant Ltd | Professional & scientific | 2025 |
| Jayshree Import Export Ltd | Wholesale & retail | 2023 |
| Jaysons Optical Ltd | Wholesale & retail | 2021 |
| Jaytail Limited | Professional & scientific | 2006 |
| Jayvc Holdings Limited | Financial services | 2024 |
| JAZ Heating and Plumbing Ltd | Construction | 2022 |
| Jazieh Ltd | Wholesale & retail | 2024 |
| Jazz Builders Ltd | Construction | 2025 |
| Jazz Investments Limited | Real estate | 2000 |
| JB and DB Assets Limited | Construction | 2004 |
| JB Autocentre Ltd | Wholesale & retail | 2015 |
| JB Care Providers Ltd | Health & social care | 2017 |
| JB Construction Leicester Ltd | Construction | 2020 |
| JB Fabrications (Leicester) Limited | Manufacturing | 2023 |
| JB Prime Supplies UK Ltd | Construction | 2026 |
| JB Realtors Ltd | Real estate | 2025 |
| JB Renovators Ltd | Construction | 2025 |
| JB Stonework & Restoration Ltd | Manufacturing | 2020 |
| JB Trustees Limited | Professional & scientific | 1989 |
| JB1 Displays Limited | Construction | 2025 |
| JB4K Limited | Administrative & support | 2013 |
| JBAR2 Ltd | Hospitality | 2022 |
| JBC Accountants and Consultants Limited | Professional & scientific | 2022 |
| JBF Incorporated Limited | Administrative & support | 2023 |
| JBJ Logistics and Franchise Limited | Professional & scientific | 2022 |
| JBJ Service Ltd | Administrative & support | 2026 |
| JBK Project Limited | Energy | 2013 |
| JBM Optical Solutions Ltd | Health & social care | 2009 |
| Jbof Ltd | Professional & scientific | 2023 |
| JBP Group Limited | Hospitality | 2022 |
| JBP Utilities Ltd | Construction | 2021 |
| Jbrosuk Ltd | Wholesale & retail | 2020 |
| JBS MED Limited | Wholesale & retail | 2021 |
| JBS Real Estate Limited | Real estate | 2020 |
| Jbss Holdings Ltd | Financial services | 2025 |
| Jbss Medical Ltd | Health & social care | 2021 |
| Jbss Properties Limited | Real estate | 2021 |
| JBSTELCO21 Limited | Information & communication | 2025 |
| JBT Homeserv Ltd | Households | 2025 |
| JC & SC Properties LLP | | 2017 |
| JC Bulex Ltd | Wholesale & retail | 2026 |
| JC Driver Services Limited | Transport & logistics | 2020 |
| JC Driver Training Limited | Education | 2018 |
| JC Football Limited | Education | 2024 |
| JC Investment Partners Ltd | Real estate | 2017 |
| JC Medical Ltd | Health & social care | 2021 |
| JC Motor Vehicle Engineers Limited | Wholesale & retail | 2018 |
| JC Motors Mechanic Ltd | Wholesale & retail | 2026 |
| JC Professionals Limited | Health & social care | 2023 |
| JC SDS Investments Ltd | Real estate | 2019 |
| JC Smith Property Ltd | Extraterritorial | 2021 |
| JC Transport Solutions Ltd | Transport & logistics | 2020 |
| JC. Building Consultant Limited | Professional & scientific | 2017 |
| JC3 Creative Ltd | Professional & scientific | 2025 |
| Jcac M&E Ltd | Construction | 2026 |
| JCH Property Management Ltd | Real estate | 2020 |
| JCK Property Management Ltd | Households | 2014 |
| JCM Construction & Landscaping Ltd | Administrative & support | 2025 |
| JCM Leicester Ltd | Real estate | 2020 |