| Hire and Style Ltd | Professional & scientific | 2011 |
| Hire Ground HQ Limited | Administrative & support | 2026 |
| Hiscox Group Limited | Extraterritorial | 2025 |
| Hiscox Securities Limited | Extraterritorial | 2025 |
| Hisn Engineering Consulting Company Ltd | Extraterritorial | 2024 |
| Hitchens Consultancy Limited | Professional & scientific | 2021 |
| HJB Investment Holdings Limited | Financial services | 2019 |
| HJF Properties Limited | Real estate | 2017 |
| HJH Investments Limited | Real estate | 2021 |
| HJK Ltd | Wholesale & retail | 2023 |
| HJM Electrical Installations Ltd | Construction | 2025 |
| Hjpm Consultancy Limited | Information & communication | 2011 |
| HL Garden Services Limited | Administrative & support | 2026 |
| HLB Trading Ltd | Other services | 2023 |
| HLC (Properties) Limited | Real estate | 1999 |
| Hlukonix Academy Ltd | Information & communication | 2025 |
| Hmcir Limited | Other services | 2020 |
| HMG Holiday Cottages Limited | Hospitality | 2026 |
| HMG Water Solutions Limited | Wholesale & retail | 2018 |
| Hmiy Ltd | Manufacturing | 2025 |
| HN Skies Limited | Wholesale & retail | 2025 |
| Hoang Arbitrage Ltd | Wholesale & retail | 2025 |
| Hobart Limited | Extraterritorial | 2025 |
| HOC AGE Holdings Ltd | Financial services | 2022 |
| Hoek Scaffolding Ltd | Construction | 2026 |
| Holdfast Ventures Limited | Real estate | 2021 |
| Holeys Limited | Professional & scientific | 2010 |
| Holf Investments Limited | Construction | 2002 |
| Holf Limited | Construction | 2002 |
| Holiday Letting Yorkshire Limited | Real estate | 2025 |
| Holidays 4 Dogs Ltd | Agriculture & fishing | 2006 |
| Holidays VIP Limited | Administrative & support | 2019 |
| Hollingworth Rentals Ltd | Real estate | 2024 |
| Holmes Planning Limited | Professional & scientific | 2010 |
| Holoul Al-Abaad Ltd | Extraterritorial | 2024 |
| Holy City Limited | Extraterritorial | 2012 |
| Home Farm Follifoot Management Services Limited | Real estate | 2014 |
| Home Farm Square (Swarcliffe) Maintenance Limited | Households | 1997 |
| Homefix Yorkshire Ltd | Households | 2022 |
| Homeland Consultants Limited | Extraterritorial | 2021 |
| Homes for Students Limited | Hospitality | 2015 |
| Homes International Ltd | Real estate | 2020 |
| Homes of Harrogate Ltd | Households | 2025 |
| Homes Together (Holdings) Limited | Professional & scientific | 2004 |
| Homes Together Limited | Health & social care | 2004 |
| Homesecure Locks (North West) Ltd | Extraterritorial | 2008 |
| Homestead Management (Harrogate) Limited | Households | 1982 |
| Hometech of Harrogate Limited | Administrative & support | 2007 |
| Homeware (UK) LLP | | 2013 |
| Honeycomb Consulting Ltd | Professional & scientific | 2018 |
| Hoodoo Holdings Ltd | Financial services | 2024 |
| Hoodoobrew Ltd | Hospitality | 2024 |
| Hoodoopiercing Ltd | Other services | 2024 |
| Hoodootattoo Ltd | Arts & recreation | 2024 |
| Hopkins Psychiatry Consulting Ltd | Health & social care | 2024 |
| Hopkins T.A.S Limited | Administrative & support | 2016 |
| Hopwood Research and Evaluation Limited | Extraterritorial | 2017 |
| Horberry Ltd | Professional & scientific | 2020 |
| Horizon Aesthetics Limited | Other services | 2024 |
| Horizon Laser Limited | Other services | 2019 |
| Horizon Life Training | Other services | 2009 |
| Horizon Tanning Limited | Other services | 2018 |
| HORIZONB2BTRADING Ltd | Administrative & support | 2023 |
| Hornbeam HR Solutions Ltd | Administrative & support | 2019 |
| Hornbeam Management One Limited | Construction | 1991 |
| Hornbeam Management Services Limited | Real estate | 2017 |
| Hornbeam Park Developments Limited | Construction | 1996 |
| Hornbeam Real Estate Ltd | Hospitality | 2021 |
| Horne Architects Ltd | Professional & scientific | 2026 |
| Hornsea Cliff Estate Limited | Real estate | 1931 |
| Horsebox Window Centre Limited | Manufacturing | 2000 |
| Horsefair Apartments Limited | Households | 2023 |
| Horsforth Petcare Limited | Professional & scientific | 2026 |
| Horsley Opco Limited | Hospitality | 2020 |
| Horsley-Townsend Architects (Wetherby) Limited | Professional & scientific | 2006 |
| Horticap | Other services | 1984 |
| Hoseshop Limited | Wholesale & retail | 2014 |
| Hosted by Movement Education Limited | Education | 2019 |
| Hot Mama Hot Sauce Ltd | Manufacturing | 2025 |
| Hotchilli Internet Limited | Extraterritorial | 1997 |
| Hounsfield Homes Limited | Construction | 2024 |
| Hounsfield Ltd | Real estate | 2025 |
| Hourglass Construction Management Limited | Construction | 2026 |
| House of Harrogate Limited | Construction | 2024 |
| House of Hass Limited | Extraterritorial | 2020 |
| House of SB Ltd | Other services | 2024 |
| House of Sound Limited | Information & communication | 2021 |
| Housekeepers of Harrogate Limited | Other services | 2006 |
| Houseman Contractors Limited | Administrative & support | 2012 |
| Housing Research Limited | Professional & scientific | 2013 |
| Howard Court (Harrogate North Yorkshire) Management Limited | Households | 1976 |
| Howells Associates Limited | Information & communication | 1997 |
| Howells Data Services Limited | Information & communication | 2011 |
| Howells Trustees Limited | Financial services | 2015 |
| Howley Brunswick Limited | Professional & scientific | 2010 |
| Hoyland Developments Ltd | Construction | 2015 |
| Hpdr Limited | Real estate | 2022 |
| Hprop 2 Ltd | Real estate | 2019 |
| HR Properties (Harrogate) Ltd | Real estate | 2023 |
| HR Rockstars Limited | Professional & scientific | 2015 |