| Hayat Bargain Limited | Wholesale & retail | 2021 |
| Hayat Medical Limited | Health & social care | 2019 |
| Hayat Residencia Ltd | Real estate | 2026 |
| Hayati Homes Limited | Real estate | 2024 |
| Hayati Travel & Money Transfer Limited | Administrative & support | 2023 |
| Haych Creations Limited | Wholesale & retail | 2023 |
| Haych Holdings Ltd | Health & social care | 2022 |
| Haycliffe Lane Autos Ltd | Wholesale & retail | 2023 |
| Hayma Ltd | Real estate | 2023 |
| Haymos Ltd | Wholesale & retail | 2025 |
| Hayre & Sons Limited | Wholesale & retail | 2013 |
| Hayver Properties Limited | Real estate | 2016 |
| Hayyan Services Ltd | Transport & logistics | 2022 |
| HAZ (PVT) Ltd | Wholesale & retail | 2023 |
| Haze Construction Services Limited | Construction | 2024 |
| Hazel Accountants Limited | Professional & scientific | 2023 |
| Hazel Randhawa Care Services Ltd | Administrative & support | 2024 |
| Hazelhurst Court Management (Bradford) Limited | Households | 1974 |
| Hazelhurst Tree & Garden Services Ltd | Administrative & support | 2025 |
| Hazelmaid Investments Limited | Real estate | 2026 |
| Hazelwood Group Limited | Hospitality | 2023 |
| Hazen Optics Ltd | Manufacturing | 2023 |
| Haziri Restaurant Ltd | Hospitality | 2019 |
| Hazro Estate Ltd | Real estate | 2026 |
| Hazro Spice Ltd | Hospitality | 2025 |
| Hazzad Golf Limited | Wholesale & retail | 1997 |
| HB Accountants Yorkshire Limited | Professional & scientific | 2018 |
| HB Business Solutions Ltd | Other services | 2012 |
| Hbcl Coldstores Limited | Construction | 2002 |
| HBD Builders Limited | Construction | 2024 |
| HBM Motor Logistics Company Ltd | Wholesale & retail | 2022 |
| HBN Investments Ltd | Real estate | 2025 |
| HBN Properties Ltd | Real estate | 2023 |
| HBN19 Ltd | Wholesale & retail | 2026 |
| HC Contracting Ltd | Information & communication | 2024 |
| Hcare Associates Ltd | Information & communication | 2016 |
| HCF Poultry Limited | Manufacturing | 2004 |
| Hcjb-Uk Limited | Information & communication | 2007 |
| HCO Gifts & Treats Ltd | Wholesale & retail | 2025 |
| HCS Accountancy Services Ltd | Professional & scientific | 2015 |
| Hcsp (Yorkshire) Ltd | Extraterritorial | 2012 |
| HD Autozone Ltd | Wholesale & retail | 2025 |
| HD Carriages Limited | Wholesale & retail | 2022 |
| HD Roofing Services Ltd | Construction | 2023 |
| HDA Lettings Ltd | Real estate | 2024 |
| Hdlsyk Limited | Other services | 2025 |
| HDS Investments LLP | | 2015 |
| Headlight Hub Ltd | Wholesale & retail | 2025 |
| Headlines Hair Studio Limited | Other services | 2003 |
| Headrow Management Limited | Real estate | 2019 |
| Headrow Property Management Limited | Real estate | 2013 |
| Headstart Health & Training Limited | Education | 2013 |
| Headstrong Strength and Conditioning Limited | Arts & recreation | 2021 |
| Headway Housing CH1 Limited | Health & social care | 2021 |
| Headway Housing CH2 Limited | Administrative & support | 2011 |
| Headway Housing Limited | Health & social care | 2017 |
| Health and Wellness Champions CIC | Health & social care | 2024 |
| Health Centrum Ltd | Health & social care | 2021 |
| Health PIG Limited | Manufacturing | 2023 |
| Health Regen Ltd | Wholesale & retail | 2025 |
| Health Without Limits - Terapia I Relaks CIC | Health & social care | 2024 |
| Healthcare 4U Ltd | Wholesale & retail | 2010 |
| Healthcare Data and Digital Support Ltd | Professional & scientific | 2023 |
| Healthcare Validation Services Limited | Other services | 2006 |
| Healthcheck Pharma Ltd | Health & social care | 2022 |
| Healthsence Ltd | Health & social care | 2025 |
| Healthtrak (UK) Limited | Construction | 2001 |
| Healthx Hearing Care Limited | Health & social care | 2025 |
| Healthx Limited | Health & social care | 2025 |
| Healthy EGO Ltd | Education | 2024 |
| Healthy Life 24 7 Ltd | Health & social care | 2014 |
| Healthy Lifestyle Solutions CIC | Education | 2008 |
| Healthy Oils Ltd | Manufacturing | 2020 |
| Healthy Option Pet Food Limited | Manufacturing | 2000 |
| Healthy Options (Bradford) Limited | Wholesale & retail | 2006 |
| Healthy Spaces Limited | Health & social care | 2007 |
| Healwell Services Ltd | Professional & scientific | 2025 |
| Hearbright Ltd | Health & social care | 2025 |
| Heart & Mind Care Ltd | Health & social care | 2025 |
| Heart and Soul Care Services Ltd | Health & social care | 2024 |
| Heart Elle Limited | Education | 2024 |
| Heart of the Trail Ltd | Wholesale & retail | 2025 |
| Heartlea Property Investments Ltd | Real estate | 2020 |
| Hearts & Home Care Ltd | Health & social care | 2026 |
| Hearty Pubs Limited | Hospitality | 2024 |
| Heat Works Limited | Construction | 1997 |
| Heatcare 247 Ltd | Construction | 2021 |
| Heatflow Supplies Limited | Wholesale & retail | 2025 |
| Heatguard Insulation and Renewables Ltd | Construction | 2024 |
| Heath Roofing Ltd | Construction | 2024 |
| Heather Moor Limited | Hospitality | 2023 |
| Heating and Ventilation UK Ltd | Construction | 2018 |
| Heating Control Systems Limited | Manufacturing | 2021 |
| Heating Efficiency Limited | Other services | 2026 |
| Heating Energy Grants Ltd | Other services | 2020 |
| Heating the Nation Limited | Construction | 2012 |
| HEATINGSPARES247.COM Limited | Wholesale & retail | 2003 |
| Heatking Limited | Extraterritorial | 2004 |
| Heatmatics Limited | Construction | 2017 |
| Heaton Amaana Group Ltd | Financial services | 2024 |