| Haughton Hall Limited | Hospitality | 2003 |
| Havenhills Field & Kitchen C.I.C. | Manufacturing | 2021 |
| HAY Solutions Limited | Information & communication | 2005 |
| Health Link Medical Ltd | Health & social care | 2015 |
| Heaven Beauty Holdings Limited | Financial services | 2017 |
| Heaven Skincare Limited | Extraterritorial | 2013 |
| Helen Wilson Training Consultancy Limited | Administrative & support | 2021 |
| Heritage Brickwork and Repointing Ltd | Construction | 2025 |
| Hermigua Ltd | Other services | 2016 |
| HHD Reform Ltd | Arts & recreation | 2025 |
| Hilldrup Group Limited | Professional & scientific | 2006 |
| Hinks Road Management Company Limited | Households | 2018 |
| HK Supply Line Ltd | Wholesale & retail | 2025 |
| HM Extraction Services Ltd | Professional & scientific | 2019 |
| HMN Finance Solutions Ltd | Professional & scientific | 2025 |
| Holts Tree Care Limited | Agriculture & fishing | 2007 |
| Hope IS Here NOW Limited | Public administration | 2024 |
| Hoverla Ltd | Construction | 2024 |
| Howvend? Limited | Wholesale & retail | 2025 |
| Hpaf Limited | Professional & scientific | 2018 |
| HR Ahead Ltd | Administrative & support | 2018 |
| Hykleen Cleaning Services Limited | Administrative & support | 2016 |
| Hykleen Services Ltd | Administrative & support | 2006 |
| I-Star Investments Ltd | Real estate | 2018 |
| IAN Dean Ltd | Real estate | 2014 |
| Idsall Spice Limited | Hospitality | 2019 |
| Ih&A Engineering Ltd | Manufacturing | 2016 |
| IL Systems Ltd | Information & communication | 2026 |
| Impressive Construction Limited | Real estate | 1993 |
| Inclusive Mental Health Therapy Limited | Health & social care | 2022 |
| Indiastar Ltd | Information & communication | 2010 |
| Inspiring Projects Limited | Extraterritorial | 2009 |
| Insulate UK Limited | Construction | 2013 |
| Insynth Marketing Ltd | Professional & scientific | 2017 |
| Intafresh Limited | Wholesale & retail | 2004 |
| Integral Fire Safety UK Ltd | Public administration | 2002 |
| Integritas Technologies Limited | Information & communication | 2009 |
| Into Appliances Ltd | Other services | 2026 |
| IP Stanford Limited | Wholesale & retail | 2019 |
| Ipmd Ltd | Information & communication | 2008 |
| Iqsupply Limited | Administrative & support | 2025 |
| Ironbridge Gorge Leisure Homes Limited | Hospitality | 2023 |
| J K Fresh Produce (West Midlands) Limited | Manufacturing | 1996 |
| J M Farm Products Limited | Wholesale & retail | 2017 |
| J&L Williams Properties Ltd | Real estate | 2026 |
| J-Ross Developments Limited | Real estate | 1996 |
| J-Safe Holdings Limited | Financial services | 2021 |
| J-Safe Limited | Administrative & support | 2005 |
| J. Lawton Products Limited | Manufacturing | 2020 |
| Jade House 888 Limited | Hospitality | 2024 |
| JAM Care Limited | Health & social care | 2019 |
| JAM Healthcare Recruitment Limited | Administrative & support | 2019 |
| James Cleaning Ltd | Administrative & support | 2022 |
| Jane Charles Limited | Administrative & support | 2008 |
| Jasper Rees Limited | Hospitality | 2012 |
| Jayville Engineering Holdings Limited | Financial services | 2021 |
| Jayville Engineering Limited | Manufacturing | 1975 |
| Jayville Holdings Limited | Professional & scientific | 2008 |
| JB Event Productions Ltd | Professional & scientific | 2023 |
| JBM Holdings and Investments Ltd | Financial services | 2025 |
| JC Property and Management Ltd | Real estate | 2024 |
| JD Transformation Partners Limited | Professional & scientific | 2026 |
| JDM Maintenance Limited | Construction | 2025 |
| JDM Travel Co. Ltd | Administrative & support | 2026 |
| JFS Alliance Ltd | Wholesale & retail | 2020 |
| Jimbob Event Services Limited | Professional & scientific | 2021 |
| JJS Global Ltd | Professional & scientific | 2024 |
| Jkcon Ltd | Construction | 2014 |
| JMB Access Solutions Ltd | Construction | 2025 |
| JMC Property Limited | Real estate | 2016 |
| JMS Care Consultancy Ltd | Health & social care | 2026 |
| JOB Plot Limited | Information & communication | 2025 |
| Jordan’S Property’S Shropshire Ltd | Wholesale & retail | 2026 |
| Josella Holdings Limited | Financial services | 2019 |
| JRI Contractors Limited | Construction | 2025 |
| JS Building and Finance Ltd | Real estate | 2025 |
| Just Farmers Community Interest Company | Education | 2019 |
| JW Project and Delivery Consulting Limited | Professional & scientific | 2026 |
| K&K Compliance Limited | Professional & scientific | 2024 |
| K&K Helping Hands Ltd | Health & social care | 2015 |
| K9 Anytime Weston Limited | Real estate | 2021 |
| Kaleidoscope Childcare Limited | Education | 2011 |
| Kalscope Ltd | Real estate | 2022 |
| Karen Ward Limited | Other services | 2005 |
| Kaysports Ltd | Wholesale & retail | 2026 |
| Kemberton Limited | Hospitality | 2026 |
| Kendrick Tuition Limited | Administrative & support | 2022 |
| Kenzrose Limited | Wholesale & retail | 2025 |
| Kettle Face Ltd | Information & communication | 2023 |
| Keyangels Estate Agents Ltd | Real estate | 2010 |
| Keyangels Property Management Ltd | Households | 2018 |
| Kinder Days Ltd | Health & social care | 2022 |
| Kings Yard Micro PUB Ltd | Hospitality | 2020 |
| Kingstreet Grange Barns Property Management Company Limited | Households | 2013 |
| KL Realty Ltd | Real estate | 2025 |
| Know Wear Ltd | Wholesale & retail | 2026 |
| KRM Pubs Limited | Hospitality | 2026 |
| L H Dalton (Haughton) Limited | Agriculture & fishing | 1941 |
| L&A Stewart Limited | Manufacturing | 2014 |
| L.J. Dragonfly Limited | Professional & scientific | 2011 |