| Jenevi Educare Limited | Enfield | 2023 |
| Jeni Ferguson Pilates Limited | Sheffield | 2012 |
| Jenkins Swim Studio Ltd | Stonehouse | 2025 |
| Jenna Bent Send Ltd | High Wycombe | 2025 |
| Jenna Okeefe.Co Ltd | Bedford | 2021 |
| Jenni Dandy Ltd | Redruth | 2022 |
| Jennie Bullock Children's Therapy Limited | Harrogate | 2017 |
| Jennie Doolan Dance CIC | Salford | 2019 |
| Jennie LEE Limited | Biggleswade | 2018 |
| Jennie Marie Ltd | Worcester | 2025 |
| Jennie White Tutoring Ltd | Shepton Mallet | 2024 |
| Jennifer Buchan Consulting Ltd | Glasgow | 2012 |
| Jennifer Grace Music and Vocal Academy Limited | Norwich | 2018 |
| Jennifer Roder Limited | Teignmouth | 2004 |
| Jennifer Scott Dance Limited | Paisley | 2026 |
| Jennings Football Academy CIC | Liverpool | 2025 |
| Jennings Gym AP Ltd | Chorley | 2024 |
| Jennitherapy Limited | London | 2008 |
| Jenny Edbrooke Ltd | Cranbrook | 2018 |
| Jenny Heybourn Ltd | Worcester | 2021 |
| Jenny Pullen Limited | Kendal | 2019 |
| Jenny Roche Movement Ltd | Stockport | 2026 |
| Jenny Scott Send Consultancy Services Ltd | Pudsey | 2023 |
| Jenny's Education Gate Ltd | London | 2021 |
| Jennyruth Workshops Ltd | Ripon | 2002 |
| Jenology Ltd | Glasgow | 2023 |
| Jens Tutoring Limited | Hungerford | 2026 |
| Jensim Ltd. | Tarbert | 2018 |
| Jeol Training Hub & Consultancy Ltd | London | 2015 |
| Jeotene World Limited | Manchester | 2024 |
| JEP Alternative Provision Limited | Bury | 2025 |
| JEP Educational Psychology Ltd | Buckingham | 2023 |
| JEP Haulage Limited | Port Sunlight | 2024 |
| JEP Training Ltd | Chesterfield | 2026 |
| JEP Youth Engagement Ltd | Bolton | 2020 |
| Jepeca Limited | Watford | 2004 |
| Jerbs Education Academy Ltd | Nottingham | 2022 |
| Jerbz Consultancy Limited | Nottingham | 2025 |
| Jeremiah International Limited | Romford | 2023 |
| Jeremy Huggett's Musical Guild CIC | Paignton | 2024 |
| Jericho Living Heritage Trust | Oxford | 2008 |
| Jeriven Limited | Manchester | 2025 |
| Jermaine Harris Ltd | Caerphilly | 2016 |
| Jero Services Limited | London | 2025 |
| Jerusalem Arise Global Awakening CIC | Stoke-On-Trent | 2020 |
| Jerutech Ltd | London | 2025 |
| JES Partnership Ltd | Weston-Super-Mare | 2022 |
| Jess and ED Coaching Limited | Solihull | 2022 |
| Jess Bradley Educational Psychology Limited | Fordingbridge | 2024 |
| Jess Knight Psychology Ltd | Bristol | 2025 |
| Jesscats Music Time Ltd | Manchester | 2025 |
| Jesse Dillon Bildner Ltd | Cinderford | 2014 |
| Jesse Okoro Limited | London | 2026 |
| Jesse's Place Foundation CIC | London | 2020 |
| Jessica Elliott Management Ltd | London | 2018 |
| Jessica Gamlin Ltd | Pontefract | 2024 |
| Jessica Narweh Ltd | London | 2021 |
| Jessica Pressland Ltd | Hitchin | 2012 |
| Jessica Rowley Limited | Harrow | 2023 |
| Jessica Ruth Academy Limited | Swadlincote | 2024 |
| Jessica Summers Hypnogenics Ltd | Halifax | 2021 |
| Jessica Summers Projects Limited | Cambridge | 2019 |
| Jessica's Little Learners Ltd | Sheffield | 2025 |
| Jessica's the Academy Ltd | Ashby-De-La-Zouch | 2021 |
| Jessicathedoula Ltd | Bury | 2025 |
| Jessie Driving School Limited | Smethwick | 2019 |
| Jessie Hosking Tennis Ltd | Harpenden | 2026 |
| Jessie's Art Shed Ltd | Witney | 2017 |
| Jesson Education Ltd | London | 2024 |
| Jestaminute Community Theatre CIC | Redditch | 2011 |
| Jesus Disciples' Community Church | New Malden | 2009 |
| Jesus Liberation Ministry | Basildon | 2019 |
| Jesus Power House Ministries Limited | Ilford | 2008 |
| JET Education Limited | Greenford | 2010 |
| JET Futures CIC | London | 2025 |
| JET Jobs Education and Training | Newcastle Upon Tyne | 2006 |
| JET Masterclass (UK) Ltd | Brighton | 2012 |
| JET Prep Ltd | Ipswich | 2024 |
| JET Training Services (2022) Ltd | Pontypool | 2022 |
| Jetblack Creative Arts and Sports Academy CIC | Manchester | 2023 |
| Jethen House Ltd | Colchester | 2022 |
| Jetset Training Limited | St Annes On Sea | 2024 |
| Jetsetgrad Ltd | Birmingham | 2025 |
| Jetstream Executive Travel (Leasing) Limited | Birmingham | 2009 |
| Jett Sport and Play Limited | Leighton Buzzard | 2021 |
| Jewell Bike Training Ltd | Crewe | 2021 |
| Jewels Scholarship Fund Limited | Wembley | 2008 |
| Jewish Brand Productions Ltd | London | 2024 |
| Jewish Camps USA Limited | Stanmore | 2017 |
| Jewish Community Academy Trust | London | 2011 |
| Jewish Community Council | London | 2022 |
| Jewish Community Day School Advisory Board | London | 2002 |
| Jewish Continuity | London | 1993 |
| Jewish Education Fund Limited | | 1994 |
| Jewish Education Projects Limited | Manchester | 2020 |
| Jewish Ethics Project Ltd | London | 2025 |
| Jewish Futures Trust Limited | London | 2011 |
| Jewish Home Network Limited | London | 2010 |
| Jewish Impact Limited | Edgware | 2013 |
| Jewish Lads' & Girls' Brigade | London | 1983 |