| Jenks Associates Holdings Limited | Professional & scientific | 2014 |
| Jenks Associates Limited | Administrative & support | 1982 |
| Jenturn Property Limited | Construction | 2003 |
| JEREMIAH29/4-9 Ltd | Real estate | 2023 |
| Jerk Bay Ltd | Hospitality | 2025 |
| Jerrac Properties Ltd | Real estate | 2025 |
| Jessicas Sweets Hereford Ltd | Wholesale & retail | 2014 |
| JET Consumables Ltd | Wholesale & retail | 2024 |
| Jexium Ltd. | Information & communication | 2020 |
| Jeycare Property Investment Ltd | Real estate | 2020 |
| JFC Data Recovery Ltd | Wholesale & retail | 2022 |
| JFC Electrical Installations Ltd | Construction | 2018 |
| JFC Metris Ltd | Professional & scientific | 2011 |
| JFC Refurbishment Centre Limited | Other services | 2026 |
| Jfel Ltd | Professional & scientific | 2019 |
| JFX Consulting Limited | Professional & scientific | 2016 |
| JG Food Consultancy Ltd | Professional & scientific | 2013 |
| JGT Enterprises Limited | Real estate | 2023 |
| JH Durrington Freehold Limited | Real estate | 2019 |
| JH Partnerships Limited | Professional & scientific | 2023 |
| Jhgrouphereford Limited | Hospitality | 2024 |
| JHW Rentals LLP | | 2023 |
| Jim's Car Wash Ltd | Other services | 2010 |
| Jinger Foods Limited | Hospitality | 2026 |
| Jinuvar Ltd | Administrative & support | 2017 |
| Jiplacement Ltd | Professional & scientific | 2026 |
| JJ and Little Dots Ltd | Hospitality | 2018 |
| JJ Fitness Limited | Arts & recreation | 2013 |
| JK Hereford Limited | Hospitality | 2025 |
| JK Property Ltd | Construction | 2023 |
| Jk's Hair & Beauty Ltd | Other services | 2019 |
| Jkirkholdings Ltd | Real estate | 2021 |
| JLM Brickwork Ltd | Construction | 2008 |
| JLM Property Holdings Ltd | Real estate | 2020 |
| JM Humby Limited | Professional & scientific | 2024 |
| JM Joinery Hereford Ltd | Construction | 2007 |
| Jmax Management Ltd | Real estate | 2024 |
| JMC Contractors Limited | Construction | 2021 |
| JMC Hereford Ltd | Transport & logistics | 2018 |
| JMC Security Fencing & Gates Ltd | Construction | 2025 |
| Jmeb Financial Services Ltd | Financial services | 2018 |
| JMG Sheetmetal Ltd | Manufacturing | 2011 |
| JML Legal Ltd | Administrative & support | 2024 |
| JO Larkin Ltd | Health & social care | 2013 |
| JOE Richardson Games Ltd | Information & communication | 2020 |
| John Finch Computers Ltd | Wholesale & retail | 2012 |
| John Haider Building Management Company Limited | Households | 1995 |
| John Marston Consultancy Ltd | Professional & scientific | 2015 |
| John Meredith Plant Hire Limited | Construction | 2026 |
| John Millman Limited | Agriculture & fishing | 2008 |
| John Newlands Limited | Real estate | 1973 |
| John Phipps Architectural Ltd | Professional & scientific | 2003 |
| John Priday Construction Ltd | Construction | 1997 |
| John Sandford Medical Ltd | Health & social care | 2010 |
| John Watkins Automotive Ltd | Wholesale & retail | 2013 |
| John Watson & Sons LLP | | 2009 |
| John Wood Tyres (Hereford) Limited | Wholesale & retail | 2003 |
| Johnimas Limited | Real estate | 2018 |
| Johnson Plumbing & Heating Services Ltd | Construction | 2024 |
| Jolera Ltd | Real estate | 2025 |
| Jommist Limited | Financial services | 2026 |
| Jonathan Baker Building Contractor Ltd | Construction | 2006 |
| Jones and Wall Motor Services Ltd | Wholesale & retail | 2024 |
| Jones Coaches Ltd | Transport & logistics | 2017 |
| Jones Design Create Limited | Professional & scientific | 2016 |
| Jones Home Hardware (HAY) Limited | Wholesale & retail | 2003 |
| Jordan Welding & Mechanical Services Limited | Manufacturing | 2015 |
| Josh Dean Limited | Financial services | 2024 |
| Jovaisiene Limited | Wholesale & retail | 2025 |
| Joyce Homes Limited | Real estate | 2021 |
| JP & JA Davies Farms Limited | Agriculture & fishing | 2004 |
| JP Heating Ltd | Construction | 2025 |
| JP Produce Limited | Wholesale & retail | 2016 |
| JPB and SON Ltd | Financial services | 2020 |
| JPH Marketing Limited | Administrative & support | 2025 |
| JPL Protech Limited | Information & communication | 2014 |
| JPR Classics Ltd | Wholesale & retail | 2019 |
| Jprop Consultancy Limited | Administrative & support | 2017 |
| JS & CP Hawkins Ltd | Agriculture & fishing | 2013 |
| JS Wealth Ltd | Financial services | 2022 |
| JSA Investment Group Ltd | Real estate | 2013 |
| Jsconstructionandbricklaying Ltd | Construction | 2023 |
| JSL Events (Hereford) Limited | Arts & recreation | 2015 |
| Jsly Holdings Limited | Financial services | 2025 |
| Jsnet Limited | Information & communication | 2025 |
| Jspuk Limited | Administrative & support | 2004 |
| JTC Guitar Ltd | Wholesale & retail | 2006 |
| JTF Architects Ltd | Professional & scientific | 2025 |
| Jude Dunican Medical Aesthetics Ltd | Health & social care | 2024 |
| Julian Brown Fine Furniture Ltd | Manufacturing | 2023 |
| Julian Vaughan Limited | Extraterritorial | 2010 |
| Jump House Hereford Limited | Arts & recreation | 2016 |
| Jump Jack Music Limited | Information & communication | 2012 |
| Jump&Go Sports Ltd | Education | 2023 |
| June Days Pictures Ltd | Information & communication | 2025 |
| Just Begun LLP | | 2019 |
| Just BET Ltd | Information & communication | 2023 |
| Just Taxis Hereford Ltd | Transport & logistics | 2025 |
| Juvo Learning Solutions Ltd | Professional & scientific | 2015 |
| JW Construction (Ledbury) Ltd | Construction | 2022 |