| JOE Stabbins Limited | Construction | 2010 |
| John ETA Limited | Health & social care | 2019 |
| John Martin Square (Evesham) Company Limited | Households | 2006 |
| John Morgan (Construction) Limited | | 1971 |
| John Rhodes A.S. Limited | Manufacturing | 2005 |
| John Roden Plumbing & Heating Limited | Construction | 2016 |
| John Russell Digger Hire Limited | Construction | 2010 |
| John Vizor Ltd | Construction | 2020 |
| Johns Investments Limited | Real estate | 1994 |
| Johnson and Daughters Ltd | Real estate | 2021 |
| Johnson Bros Compounding Limited | Water & waste | 1998 |
| Johnsons Property Consultancy Limited | Real estate | 2014 |
| Joinery Classics Bespoke Ltd | Manufacturing | 2025 |
| Jolab Ltd | Administrative & support | 2024 |
| JON Cockle Consulting Ltd | Professional & scientific | 2025 |
| JON Designer (Worcestershire) Limited | Other services | 2008 |
| Jonathan P. Hughes Limited | Real estate | 2026 |
| Jones Flooring Ltd | Construction | 2015 |
| Jonny Come Lately UK Limited | Professional & scientific | 2022 |
| Josq Ltd | Wholesale & retail | 2023 |
| Joys(Uk) Limited | Hospitality | 2025 |
| JP Roofing and Guttering Ltd | Construction | 2026 |
| JPA Building Services Limited | Construction | 2015 |
| JPC Property Maintenance Limited | Construction | 2025 |
| JPS Plumbing & Maintenance Limited | Construction | 2014 |
| JPW Mechanical & Electrical Ltd | Manufacturing | 2022 |
| Jrjs Computing Limited | Information & communication | 2018 |
| JS Gymnastics Club Ltd | Education | 2021 |
| JSR Build Limited | Construction | 2020 |
| Jtec Europe Limited | Wholesale & retail | 2007 |
| Jteo Services Limited | Transport & logistics | 2018 |
| Juju Inc Ltd | Transport & logistics | 2025 |
| Julia Shale Home Design Services Limited | Professional & scientific | 2011 |
| Juliff Developments Holdings Limited | Real estate | 2024 |
| Juliff Developments Ltd | Construction | 2024 |
| Juliff Holdings Ltd | Extraterritorial | 2024 |
| Just Genuine Parts Ltd | Wholesale & retail | 2023 |
| Just Memorials Ltd | Wholesale & retail | 2021 |
| Justalluneed Ltd | Wholesale & retail | 2022 |
| Jutexpo Ltd | Wholesale & retail | 2002 |
| Jxpo Limited | Financial services | 2014 |
| JYP Commercial Ltd | Real estate | 2026 |
| JYP Properties Ltd | Real estate | 2024 |
| JYP Retail Ltd | Wholesale & retail | 2026 |
| K.D.Installations Ltd | Construction | 2010 |
| K.F. Investments Limited | Professional & scientific | 2001 |
| K.J. Developers Limited | Construction | 1986 |
| K.L. (Evesham) Limited | Manufacturing | 1990 |
| Kaitlyn Cook Coaching Ltd | Administrative & support | 2021 |
| Kanes Foods Limited | Manufacturing | 1989 |
| Kaos Motorsport Ltd | Wholesale & retail | 2024 |
| Karam Holdings Ltd | Financial services | 2023 |
| Karch Store QC Ltd | Information & communication | 2026 |
| Karimix UK Limited | Manufacturing | 2005 |
| Karle Stephenson Holdings Limited | Professional & scientific | 2015 |
| Karma Loch Melfort Limited | Hospitality | 2024 |
| Karndean Holdings Limited | Wholesale & retail | 2019 |
| Karndean International Limited | Wholesale & retail | 1982 |
| Karndean Limited | Wholesale & retail | 1980 |
| Katana Security Services Ltd | Administrative & support | 2022 |
| Katie Robertson Ltd | Professional & scientific | 2017 |
| Kavannha Ltd | Wholesale & retail | 2025 |
| KAZ & Annie's Ltd | Arts & recreation | 2018 |
| KBO Installations Limited | Construction | 2025 |
| Kcomforts Ltd | Manufacturing | 2025 |
| KD Welding Limited | Construction | 2009 |
| KDE Partnership Ltd | Construction | 2015 |
| KDI Mastic Limited | Manufacturing | 2024 |
| Keeling Property Management Limited | Real estate | 2020 |
| Keith Gormley Tribal Art Limited | Wholesale & retail | 2014 |
| Kellands Property Services Limited | Real estate | 2017 |
| Keops Limited | Construction | 2000 |
| Kessler Repairs Ltd | Wholesale & retail | 2016 |
| Key Services UK Limited | Construction | 2000 |
| Kezook Limited | Administrative & support | 2003 |
| Kggb Ltd | Transport & logistics | 2025 |
| KGM Consulting Services Ltd | Professional & scientific | 2015 |
| KGW Consulting Ltd | Professional & scientific | 2025 |
| Kidzmotion Limited | Wholesale & retail | 2013 |
| Kielar Piotr Ltd | Transport & logistics | 2017 |
| Kimberlee Limited | Professional & scientific | 2006 |
| Kindness Network Ltd | Health & social care | 2022 |
| Kingsmoor Farm Limited | Agriculture & fishing | 2013 |
| Kington Investments Ltd | Hospitality | 2019 |
| Kismet Renovations Limited | Construction | 2021 |
| Kitchen & Bedroom Innovations Limited | Construction | 2006 |
| Kite Coaching Ltd | Professional & scientific | 2015 |
| KJS Residential Design Services Limited | Professional & scientific | 2014 |
| KLA Business Group Ltd | Financial services | 2026 |
| KLA Secretaries Ltd | Extraterritorial | 2026 |
| KLA Taxis Evesham Ltd | Transport & logistics | 2021 |
| KLA Travel Ltd | Transport & logistics | 2026 |
| KLS Consulting Ltd | Professional & scientific | 2023 |
| KM Electrical Solutions Ltd | Manufacturing | 2022 |
| Knoll and Oak Tree Farms Limited(The) | Agriculture & fishing | 1962 |
| Koalagreen Ltd | Real estate | 2025 |
| Korale Kitchen Ltd | Hospitality | 2023 |
| KP Lolo Ltd. | Hospitality | 2017 |
| KPB Solutions Limited | Wholesale & retail | 2025 |
| Kraked Ltd | Wholesale & retail | 2023 |