| HRC Logistics Limited | Transport & logistics | 2017 |
| HRC Real Estate Limited | Real estate | 2024 |
| HRD 24 Limited | Financial services | 2024 |
| Hrgsmartheating Limited | Construction | 2023 |
| Hris Workforce Ltd | Construction | 2020 |
| HRK Tech Ltd | Wholesale & retail | 2024 |
| HRP Datacomms Ltd | Information & communication | 2002 |
| HRU Properties Ltd | Real estate | 2021 |
| HS Executive Travel Ltd | Transport & logistics | 2023 |
| HS Holdings (NW) Ltd | Real estate | 2026 |
| HS Locuming Ltd | Wholesale & retail | 2022 |
| HS Properties MCR Ltd | Real estate | 2023 |
| HSD Baby Spa Ltd | Health & social care | 2026 |
| HSN Buy & Sell Limited | Wholesale & retail | 2025 |
| HSN Consultants Ltd | Professional & scientific | 2026 |
| Hsnb-Heulos Satellite News Broadcasting Limited | Information & communication | 2025 |
| HSS Virsa Limited | Manufacturing | 2014 |
| HST Recruitment Limited | Administrative & support | 2025 |
| HT Compliance Services Ltd | Professional & scientific | 2016 |
| HTC Light Commercial Ltd | Wholesale & retail | 2024 |
| HTF Commercial Repairs Limited | Wholesale & retail | 2005 |
| HTH Properties Ltd | Real estate | 2025 |
| HU LUX Properties Ltd | Real estate | 2026 |
| HU88LE Ltd | Information & communication | 2017 |
| Hubb&Co Ltd | Wholesale & retail | 2026 |
| Huda & Choudhury Properties Ltd | Real estate | 2026 |
| Huddersfield Chiropractic Clinic Limited | Health & social care | 2024 |
| Huddersfield RD Ltd | Wholesale & retail | 2026 |
| Huddersfield Road Management Company Limited | Households | 2018 |
| Huddersfield Road RTM Company Limited | Households | 2015 |
| Hudsons (Huddersfield) Limited | Transport & logistics | 2017 |
| Huggy Bear Ltd | Wholesale & retail | 2025 |
| Hughes Brand Limited | Wholesale & retail | 2025 |
| Hujjat Ullah SON and Co Limited | Hospitality | 2026 |
| Hulme Grammar School | Education | 2007 |
| Human Club UK Ltd | Health & social care | 2017 |
| Humble Hands Care Ltd | Health & social care | 2022 |
| Hummy’S Ltd | Wholesale & retail | 2024 |
| Hundo Education Limited | Education | 2003 |
| Hungry Adam Delivery Limited | Hospitality | 2022 |
| Hungry Adam Limited | Hospitality | 2022 |
| Hunky Dory Textiles Limited | Wholesale & retail | 2020 |
| Hunt Lane Chippy Ltd | Wholesale & retail | 2012 |
| Hunter Concrete Products Limited | Manufacturing | 2016 |
| Hunter Grey Global Limited | Real estate | 2017 |
| Hunter Price Group of Companies Limited | Wholesale & retail | 2024 |
| Hunter Price International Limited | Wholesale & retail | 2009 |
| Huntlow Homes Limited | Real estate | 2024 |
| Hunza Mineralz Ltd | Health & social care | 2024 |
| Hurdsfield Property Limited | Real estate | 2016 |
| Hurst Brook Enterprise Limited | Administrative & support | 2020 |
| Hussain and Sons Corner Shop Limited | Wholesale & retail | 2024 |
| Hussain Builders Limited | Construction | 2023 |
| Hussain Family Ltd | Real estate | 2023 |
| Hussain Home Lettings Ltd | Real estate | 2024 |
| Hussain House Ltd | Real estate | 2025 |
| Hussain Key Property Investments Ltd | Real estate | 2024 |
| Hussain Property Hub Ltd | Real estate | 2025 |
| Hussains Keystone Ltd | Construction | 2026 |
| Husse Oldham Limited | Wholesale & retail | 2018 |
| Hussein Traders Limited | Financial services | 2009 |
| Hustle Burger NW Ltd | Hospitality | 2025 |
| Hustle N Spud Ltd | Hospitality | 2025 |
| Huszar Sensory Ltd | Arts & recreation | 2025 |
| Hutch National Ltd | Real estate | 2017 |
| Hutchinson Services (Hull) Ltd | Construction | 2014 |
| Huzaifa Properties Ltd | Real estate | 2025 |
| HW Property Ltd | Real estate | 2013 |
| HW Travel Limited | Transport & logistics | 2025 |
| Hwak Investments Limited | Real estate | 2025 |
| HWK Technologies Limited | Wholesale & retail | 2025 |
| HY Phones Ltd | Wholesale & retail | 2026 |
| Hybrid Battery Centre Ltd | Wholesale & retail | 2025 |
| Hybrid Power Ltd | Other services | 2016 |
| Hybrid Repair Centre Ltd | Wholesale & retail | 2022 |
| Hybrid Taxi Hire Ltd | Administrative & support | 2022 |
| Hyde Nursing Home Limited | Health & social care | 2022 |
| Hyder Food Ltd | Wholesale & retail | 2024 |
| Hydra-Hose Solutions Ltd | Manufacturing | 2025 |
| Hydrotech Utilities Limited | Construction | 2016 |
| Hyfit HQ Ltd | Arts & recreation | 2024 |
| Hygenius by Lynda Moore Ltd | Health & social care | 2024 |
| Hylend Property Projects Limited | Real estate | 2018 |
| Hyper Hyper Corporation Limited | Information & communication | 2018 |
| Hyperflash Ltd | Information & communication | 2023 |
| Hyperion Textiles Limited | Wholesale & retail | 2020 |
| Hypernets Group Limited | Information & communication | 2024 |
| Hyperwell Limited | Wholesale & retail | 2022 |
| Hyrra Ltd | Administrative & support | 2025 |
| Hytech INT Limited | Wholesale & retail | 2026 |
| Hytrade Ltd | Wholesale & retail | 2012 |
| Hywela Ltd | Manufacturing | 2023 |
| HZ Optics Ltd | Health & social care | 2026 |
| Hzrfour Services Ltd | Wholesale & retail | 2023 |
| I & B Investments Limited | Wholesale & retail | 2025 |
| I & J Investments Ltd | Financial services | 2017 |
| I 2 I Global Express Limited | Information & communication | 2004 |
| I AM B.I.R.C.H. Ltd | Education | 2024 |
| I Centre Limited | Information & communication | 2001 |
| I Dewey Ltd | Health & social care | 2024 |