| Hamilton (Building Contractors) Ltd. | Construction | 1996 |
| Hamilton Bower Limited | Real estate | 2010 |
| Handy Jack Building Services Ltd | Construction | 2019 |
| Handy Jack Trade Price Turf and Topsoil Ltd | Wholesale & retail | 2022 |
| Happinace Ltd | Extraterritorial | 2022 |
| Happy Planet Play Centre CIC | Hospitality | 2021 |
| Harbuk Limited | Information & communication | 2009 |
| Hardaker Lane (Management) Limited | Households | 2009 |
| Harewood Livery Limited | Agriculture & fishing | 2026 |
| Hargreaves and Lyness Properties Ltd | Real estate | 2025 |
| Harland & Sons Building & Joinery Ltd | Construction | 2022 |
| Harold Adams Developments Ltd | Construction | 2026 |
| Harrogate Grab Hire Limited | Administrative & support | 2022 |
| Harrogate PPF Specialists Limited | Wholesale & retail | 2023 |
| Hassan Shah Ltd | Transport & logistics | 2022 |
| HAT Trick Investment Limited | Administrative & support | 2009 |
| Hattie Homes Ltd | Real estate | 2022 |
| HAU Properties Limited | Real estate | 2024 |
| Hawksworth Legal Services Limited | Professional & scientific | 2023 |
| Hawksworth Property Investments Limited | Real estate | 2024 |
| Hawkwood Enterprises Ltd | Construction | 2022 |
| Hawkwood Limited | Extraterritorial | 2007 |
| Hawkwood Projects Limited | Construction | 2002 |
| HB6 Ltd | Real estate | 2021 |
| HD1 Renovations Ltd | Other services | 2022 |
| HDR Property Solutions Limited | Real estate | 2020 |
| Hdwool Ltd | Manufacturing | 2019 |
| Head Holiday Ltd | Information & communication | 2021 |
| Headglow Limited | Manufacturing | 1982 |
| Healthcare Hunters Ltd | Health & social care | 2013 |
| Healthwise Nutrition Limited | Health & social care | 2023 |
| Heather Yoga Ltd | Arts & recreation | 2020 |
| Heaton Woods Ltd | Real estate | 2023 |
| Helen Rose Management Company Limited | Households | 1993 |
| Helvellyn Consultancy Ltd | Professional & scientific | 2025 |
| Henna NAZ Limited | Health & social care | 2016 |
| HER Vote 100 CIC | Professional & scientific | 2026 |
| Herbert Walkers Limited | Manufacturing | 1946 |
| Hermit Media Limited | Manufacturing | 2019 |
| Hexa Projects Ltd | Construction | 2021 |
| Hexthorpe Rentals Ltd | Real estate | 2021 |
| HG3 Car Care Limited | Wholesale & retail | 2023 |
| High Spirits Social Ltd | Hospitality | 2024 |
| High Street at Home Limited | Wholesale & retail | 2016 |
| Highland Encounters Limited | Real estate | 2024 |
| Highwood Music Limited | Wholesale & retail | 2022 |
| Hiley Family Holdings Ltd | Real estate | 2024 |
| Hillbeck Homes ( Sowerby Bridge ) Ltd | Construction | 2022 |
| Hillbro Nursing Home Limited | Health & social care | 2016 |
| Hills Enterprises Limited | Administrative & support | 2019 |
| Hinchliffe Consultants Limited | Professional & scientific | 2013 |
| Hird & Wheeler Ltd. | Wholesale & retail | 2015 |
| Hirebrid Enterprise Ltd | Transport & logistics | 2025 |
| Hirstwood Properties Ltd | Households | 2022 |
| Hirstwood Works Limited | Households | 2017 |
| Hirstwoodmarket Ltd | Wholesale & retail | 2026 |
| Hive Bradford | Education | 2003 |
| HK Systems Advisory Ltd | Information & communication | 2018 |
| HM Estate Management Limited | Households | 2024 |
| HMG Scaffolding Ltd | Construction | 2025 |
| HOC Estates (LRH 1) Limited | Real estate | 2018 |
| HOC Estates (LRH 2) Limited | Real estate | 2018 |
| HOC Estates Limited | Real estate | 2005 |
| Holden Grange Care Group Limited | Professional & scientific | 2016 |
| Hollins Hill Cars Limited | Wholesale & retail | 2006 |
| Holmes & Co Accountants Ltd | Professional & scientific | 2014 |
| Holmfirth Properties Limited | Real estate | 1972 |
| Home Made Pasties Limited | Hospitality | 2026 |
| Home Retail Direct Limited | Wholesale & retail | 2016 |
| Home-Care Perfection Limited | Administrative & support | 2021 |
| Homebiz Limited | Real estate | 2012 |
| Homeday Property Ltd | Real estate | 2025 |
| Honesty Dental Care Baildon LLP | | 2010 |
| Hookstone Properties Limited | Real estate | 2020 |
| Hoot Property Services Ltd | Construction | 2021 |
| Hope Farm Property Limited | Real estate | 2021 |
| Hornes Surveyors Ltd | Professional & scientific | 2016 |
| Hornsey Hill Wind Farm Limited | Energy | 2026 |
| Horrocks Associates Limited | Administrative & support | 2005 |
| Horsfall Kishmaria Ltd | Other services | 2015 |
| Hot TUB Hire Yorkshire LLP | | 2020 |
| Houghton Joinery (Baildon) Limited | Manufacturing | 2017 |
| House of Brock Ltd | Professional & scientific | 2025 |
| House of Fabrics (Saltaire) Ltd | Wholesale & retail | 1997 |
| Housemartin Contractors Limited | Construction | 1995 |
| Housez Limited | Real estate | 2022 |
| Hoyle Court Baildon Limited | Hospitality | 1996 |
| HTL Joinery Ltd | Construction | 2020 |
| HUA HIN Leisure Bradford Limited | Other services | 2017 |
| Hub 21 Ltd | Real estate | 2020 |
| Hubken Group Ltd | Information & communication | 2004 |
| Hullah Properties Limited | Real estate | 2024 |
| Human Capital Limited | Administrative & support | 2018 |
| Humberstones Commercial Limited | Financial services | 2010 |
| Huni's Soulfood Limited | Hospitality | 2025 |
| Hunky Dory Holdings Limited | Financial services | 2022 |
| Hurndall-Stallard Associates Limited | Professional & scientific | 2010 |
| Hutton Advisory Ltd | Professional & scientific | 2025 |
| Hybrid Car Traders Ltd | Wholesale & retail | 2018 |
| Hybrid Protocol Limited | Manufacturing | 2026 |