| Intensive Engagement Limited | Professional & scientific | 2018 |
| Intralon Ltd | Wholesale & retail | 2025 |
| Investment Tooling Technologies Ltd | Manufacturing | 2014 |
| Ismini Studios Ltd | Health & social care | 2009 |
| Itrain Holdings Limited | Financial services | 2022 |
| Ivington Court Ltd | Professional & scientific | 2005 |
| Ivington Park Ltd | Manufacturing | 2011 |
| J & L Properties (Ludlow) Ltd | Real estate | 2024 |
| J Cluz Consultancy Ltd | Professional & scientific | 2024 |
| J L Engineering (Hereford) Limited | Manufacturing | 2005 |
| J P Architectural Services Ltd | Professional & scientific | 2023 |
| J Stokes Home Flooring Limited | Wholesale & retail | 2017 |
| J W Davies Carpentry & Building Ltd | Construction | 2020 |
| J-Strut Ltd | Manufacturing | 2010 |
| J.P.Farms Limited | Agriculture & fishing | 2000 |
| J.S. Woodfield Ltd | Construction | 2007 |
| J.W. Joinery Services Ltd | Manufacturing | 2022 |
| J.W.W. Powell Limited | Financial services | 2021 |
| J9 Change Limited | Professional & scientific | 2019 |
| Jackson (International) Limited | Wholesale & retail | 1989 |
| Jackson Property (Leominster) Ltd | Real estate | 2020 |
| Jalalabad Dining Limited | Hospitality | 2024 |
| Jalexander & Co Limited | Construction | 2013 |
| James Burgoyne Rigging Services Limited | Information & communication | 2022 |
| Japan-San Limited | Professional & scientific | 2020 |
| Jaques INT Ltd | Manufacturing | 2010 |
| Jassi Group Ltd | Professional & scientific | 2018 |
| Jassi Ventures Ltd | Wholesale & retail | 2025 |
| Jassi X Ltd | Information & communication | 2024 |
| JDC Company Services Limited | Administrative & support | 2021 |
| JDM Car Parts (UK) Limited | Wholesale & retail | 2020 |
| JED Transport Ltd | Transport & logistics | 2022 |
| Jenny Pickford Limited | Arts & recreation | 2023 |
| Jewel Garden Limited | Professional & scientific | 2023 |
| JFP Filtration Ltd | Manufacturing | 2015 |
| JIM Williams Darts Ltd | Arts & recreation | 2022 |
| Jindamanee Limited | Hospitality | 2019 |
| JM Agricultural Construction Ltd | Manufacturing | 2018 |
| Joboola Ltd | Information & communication | 2024 |
| John Adams Foods Ltd | Wholesale & retail | 2001 |
| John Ruck Construction Limited | Manufacturing | 2000 |
| John Ruck Group Limited | Financial services | 2022 |
| John Ruck Holdings Ltd | Real estate | 2024 |
| John Ruck Properties Limited | Construction | 2005 |
| JOM Holdings Ltd | Financial services | 2022 |
| Jonathan Bengough Limited | Real estate | 2020 |
| Joshua Curtis Limited | Professional & scientific | 2025 |
| JP Williams Group Ltd | Financial services | 2023 |
| JR Lakatos Limited | Wholesale & retail | 2012 |
| JRD Roofline Ltd | Construction | 2018 |
| JRN Group Digital Limited | Information & communication | 2021 |
| Jrnvisuals Limited | Information & communication | 2020 |
| JT & EA Ltd | Real estate | 2020 |
| JT Sidman Associates Limited | Information & communication | 2020 |
| JV Properties (LEO) Ltd | Real estate | 2025 |
| K J Goode Groundworks Contractor Ltd | Construction | 2022 |
| Kanco Limited | Agriculture & fishing | 1999 |
| Karpatia Ltd | Wholesale & retail | 2024 |
| Kates Corner Limited | Wholesale & retail | 2025 |
| KC Electrical Services (Hfds) Limited | Manufacturing | 2013 |
| Keith Newman Limited | Other services | 2016 |
| Keith Thomas Transport Limited | Transport & logistics | 2004 |
| KEL Trade Limited | Wholesale & retail | 2015 |
| Kendrick Legend Ltd | Wholesale & retail | 2022 |
| Kennah LAB Ltd | Manufacturing | 2025 |
| Kents Fields Property Company Limited | Agriculture & fishing | 1998 |
| Kirby Estate Management Limited | Real estate | 2005 |
| Kkp-Inspired Modelling Ltd | Information & communication | 2026 |
| Kleen Slate Cleaning Services Ltd | Administrative & support | 2026 |
| KMX Limited | Professional & scientific | 2010 |
| Knockhundred Translations Limited | Professional & scientific | 2008 |
| Knotreels Ltd | Information & communication | 2025 |
| Krummaker Ltd | Professional & scientific | 2013 |
| Krysium Advisors Limited | Professional & scientific | 1994 |
| Kuczma Ltd | Transport & logistics | 2020 |
| Kyndme Ltd | Wholesale & retail | 2023 |
| L.C.A. Properties Ltd | Real estate | 2010 |
| L.S. Farm Ltd | Agriculture & fishing | 2020 |
| Lakatos Building Ltd | Construction | 2018 |
| Lancashire Diaries Ltd | Manufacturing | 2023 |
| Lane Management Consultants Limited | Professional & scientific | 2010 |
| Lane Opportunites Limited | Professional & scientific | 2011 |
| Langdale Medical Limited | Health & social care | 2014 |
| Lanzaro Ltd | Hospitality | 2018 |
| Larc Development Trust | Education | 1998 |
| Larksfield Farming Ltd | Agriculture & fishing | 2023 |
| Laura Fish Ltd | Professional & scientific | 2022 |
| Lavender & Holly Ltd | Hospitality | 2022 |
| LC Properties Leominster Ltd | Real estate | 2024 |
| LDL Developments Limited | Construction | 1997 |
| Leasesmart Property Management Limited | Professional & scientific | 1989 |
| Ledbury Motor Cycle Club Limited | Other services | 2011 |
| Ledicot Farm Barns Limited | Households | 2021 |
| Legless Lamb Limited | Hospitality | 2025 |
| Lenka K Ltd | Manufacturing | 2016 |
| Lenka's Services Ltd | Education | 2026 |
| Lenuxa Ltd | Wholesale & retail | 2026 |
| LEO Beer Emporium Ltd | Hospitality | 2025 |
| LEO Sweet Surprise Ltd | Wholesale & retail | 2023 |
| Leomat UK Limited | Administrative & support | 2018 |