| JU Wilcox Ltd | Administrative & support | 2022 |
| Jual Media Limited | Information & communication | 2012 |
| Jubal Enterprise Limited | Health & social care | 2019 |
| Jube Operations Limited | Information & communication | 2022 |
| Jubilee Care Homes Nottm Limited | Health & social care | 2016 |
| Jubilee Events Ltd | Arts & recreation | 2021 |
| Jubilee Removals & Couriers Ltd | Transport & logistics | 2022 |
| Jubiway Ltd | Professional & scientific | 2011 |
| Judah Enterprise Ltd | Financial services | 2025 |
| Judane's Sanctuary Limited | Health & social care | 2022 |
| Judd Racing (Nottingham) Limited | Wholesale & retail | 2011 |
| Judd Racing Limited | Wholesale & retail | 2012 |
| Judd Whyle & SON Scaffolding (Nottingham) Ltd | Administrative & support | 2012 |
| Jude Mclaughlin Consulting Ltd | Professional & scientific | 2023 |
| Judge Joinery Limited | Extraterritorial | 2021 |
| Judith Lyons Limited | Professional & scientific | 2018 |
| Jugai Constructions Ltd | Construction | 2020 |
| Jugo Solution Property Limited | Real estate | 2025 |
| Jugraj Sandhu Ltd Ltd | Construction | 2026 |
| Juice 365 Limited | Transport & logistics | 2024 |
| Juice Bar (Nottingham) Limited | Hospitality | 2018 |
| Juice Services Ltd | Construction | 2026 |
| Juicebaby (UK) Limited | Information & communication | 2008 |
| Juicy Lips Ltd | Hospitality | 2022 |
| Juju Bains Limited | Other services | 2017 |
| Juke Future Ltd | Health & social care | 2023 |
| Jukebox Cafe Limited | Hospitality | 2025 |
| Julebox UK Ltd | Wholesale & retail | 2018 |
| Jules Property Estates Ltd | Real estate | 2022 |
| Julia Motroc Ltd | Health & social care | 2018 |
| Julian Owen Associates Limited | Professional & scientific | 1992 |
| Julian Richardson Limited | Other services | 2015 |
| Julian Smith Limited | Professional & scientific | 1985 |
| Juliancar Ltd | Wholesale & retail | 2018 |
| Julie Nails Academy Ltd | Education | 2025 |
| Julie Oakley Limited | Administrative & support | 2018 |
| Julie Richards Architecture & Design Limited | Professional & scientific | 2002 |
| Julie Wesson Independent Funeral Directors Limited | Other services | 2007 |
| Juliet Barwell Ltd | Financial services | 2023 |
| Julius Distribution UK Ltd | Wholesale & retail | 2021 |
| Juliuswoods Ltd | Health & social care | 2022 |
| Jumacare Limited | Health & social care | 1999 |
| Jumssiesho Foods Limited | Hospitality | 2025 |
| Junction 26 Cars Ltd | Wholesale & retail | 2023 |
| Junction 27 Car and Commercial Ltd | Wholesale & retail | 2023 |
| Junction Fish Bar Ltd | Hospitality | 2024 |
| Junction Health Care Limited | Health & social care | 2019 |
| Jungle Drums Limited | Arts & recreation | 2002 |
| Juni & P Ltd | Wholesale & retail | 2025 |
| Junior Roller Derby Association (UK) CIC | Arts & recreation | 2026 |
| Junk Porters (UK) Ltd | Water & waste | 2010 |
| Junkbars Nottingham Ltd | Hospitality | 1999 |
| Juno Women's AID | Hospitality | 2001 |
| Jupiter Helicopter Services Limited | Transport & logistics | 2022 |
| Jupiter Land Limited | Real estate | 2024 |
| Jupiter Suspended Ceilings and Drywall Limited | Construction | 2020 |
| Jupiter Utility Management Ltd | Construction | 2023 |
| Jurassic Beard Ltd | Wholesale & retail | 2025 |
| Jure Trans Ltd | Transport & logistics | 2016 |
| Jure Trans Services Ltd | Wholesale & retail | 2023 |
| Jurea Ltd | Wholesale & retail | 2023 |
| Jurebita Limited | Transport & logistics | 2016 |
| JUS 2 CAB Limited | Transport & logistics | 2016 |
| Juspi Homes Limited | Real estate | 2025 |
| Just Audit Limited | Professional & scientific | 2005 |
| Just Baubles Craft Ltd | Wholesale & retail | 2025 |
| Just BEN Ltd | Arts & recreation | 2012 |
| Just Blaise Ltd | Professional & scientific | 2023 |
| Just Books Ltd | Wholesale & retail | 2023 |
| Just Boots (2018) Limited | Extraterritorial | 2018 |
| Just Bridging Ltd | Financial services | 2025 |
| Just Chicken (U K) Ltd | Hospitality | 2020 |
| Just Dessertz Ltd | Wholesale & retail | 2025 |
| Just Doors UK Limited | Administrative & support | 2005 |
| Just Engineers Technical Services Ltd | Administrative & support | 2008 |
| Just Engineers Technical Solutions Limited | Administrative & support | 2000 |
| Just Food Recruitment Ltd | Administrative & support | 2023 |
| Just for Tummies Limited | Extraterritorial | 2014 |
| Just Halaall Ltd | Hospitality | 2021 |
| Just Halal Food Ltd | Wholesale & retail | 2022 |
| Just IT World Ltd | Information & communication | 2024 |
| Just Journey Limited | Administrative & support | 2016 |
| Just Marios Ltd | Hospitality | 2019 |
| Just One Pence Ltd | Education | 2020 |
| Just School Wear Ltd | Manufacturing | 2004 |
| Just Solutions NE Ltd | Professional & scientific | 2025 |
| Just Solutions Network Limited | Professional & scientific | 2013 |
| Just Wear IT Ltd | Wholesale & retail | 2025 |
| Just-In Property Solutions Ltd | Real estate | 2025 |
| Just-Right Ltd | Extraterritorial | 2022 |
| Justbasket Private Limited | Wholesale & retail | 2025 |
| Justice for the Innocent CIC | Information & communication | 2025 |
| Justin Barry Limited | Manufacturing | 2006 |
| Justin Cleaning Ltd | Administrative & support | 2021 |
| Justin James Recruitment Ltd | Administrative & support | 2012 |
| Justin Stockdale Limited | Financial services | 2013 |
| Justine Webb Psychology Services Ltd | Health & social care | 2017 |
| Justop Limited | Wholesale & retail | 2009 |
| Justteachuk Ltd | Education | 2018 |
| Justtowbars Ltd | Wholesale & retail | 2023 |