| Greengate Consultancy Services Limited | Professional & scientific | 2016 |
| Greenrich Consulting Services Ltd | Information & communication | 2024 |
| Greenwoods Solicitors Limited | Professional & scientific | 2021 |
| Group X Ltd | Wholesale & retail | 2023 |
| GSB Classics Limited | Wholesale & retail | 2014 |
| GT Hotel and Restaurant Ltd | Hospitality | 2021 |
| GUY & William Property Ltd | Real estate | 2013 |
| H & a Equestrian Limited | Other services | 2018 |
| H & a Property Management Limited | Real estate | 2018 |
| H & L Transport Limited | Transport & logistics | 2022 |
| H & T Nails 22 Ltd | Other services | 2021 |
| H&I Landscapes Ltd | Administrative & support | 2026 |
| Half Moon Knaresborough Management Company Limited | Hospitality | 2022 |
| Hammond & Associates Limited | Administrative & support | 2012 |
| Hamsard 3449 Limited | Extraterritorial | 2017 |
| Hamsard 3450 Limited | Extraterritorial | 2017 |
| Hamsard 3468 Limited | Extraterritorial | 2017 |
| Hardaker Ventures Ltd | Financial services | 2025 |
| Haredata Electronics Limited | Extraterritorial | 1994 |
| Haregill Lodge Catering Limited | Hospitality | 2017 |
| Harlequin Communications Limited | Professional & scientific | 2012 |
| Harlowsystems Ltd | Administrative & support | 2018 |
| Harmony BH Limited | Other services | 2022 |
| Harmony Broadcasting Limited | Information & communication | 2000 |
| Harmony BW Limited | Other services | 2024 |
| Harmony CAS Limited | Other services | 2021 |
| Harmony CB Limited | Other services | 2021 |
| Harmony CBR Limited | Other services | 2024 |
| Harmony CS Limited | Real estate | 2017 |
| Harmony CTF 2 Limited | Other services | 2018 |
| Harmony CTF Limited | Other services | 2017 |
| Harmony CTF3 Limited | Other services | 2022 |
| Harmony DL Limited | Other services | 2022 |
| Harmony Energy 3 Limited | Other services | 2019 |
| Harmony Energy Advisors Limited | Financial services | 2021 |
| Harmony Energy Limited | Other services | 2016 |
| Harmony FB Limited | Other services | 2023 |
| Harmony FB Solar Limited | Other services | 2025 |
| Harmony FL Limited | Other services | 2024 |
| Harmony FW Limited | Other services | 2022 |
| Harmony GBW Limited | Other services | 2024 |
| Harmony HB (JV) Limited | Other services | 2021 |
| Harmony HB Limited | Other services | 2017 |
| Harmony HM Limited | Other services | 2024 |
| Harmony Holdco FG Limited | Financial services | 2025 |
| Harmony Holdco P Limited | Financial services | 2025 |
| Harmony HS (JV) Limited | Other services | 2021 |
| Harmony JF 3 Limited | Other services | 2025 |
| Harmony KB Limited | Other services | 2021 |
| Harmony KT Limited | Other services | 2024 |
| Harmony LS Limited | Other services | 2022 |
| Harmony MB Solar Limited | Other services | 2024 |
| Harmony MF Limited | Other services | 2021 |
| Harmony MP Limited | Other services | 2025 |
| Harmony MS Limited | Other services | 2024 |
| Harmony OM Limited | Other services | 2017 |
| Harmony PK Limited | Other services | 2024 |
| Harmony SC Limited | Other services | 2024 |
| Harmony SH Limited | Other services | 2024 |
| Harmony SK Limited | Other services | 2021 |
| Harmony SPV10 Limited | Other services | 2025 |
| Harmony SPV11 Limited | Other services | 2025 |
| Harmony SPV12 Limited | Other services | 2025 |
| Harmony SPV9 Limited | Other services | 2025 |
| Harmony ST Limited | Other services | 2022 |
| Harmony TC Limited | Other services | 2023 |
| Harmony WB (JV) Limited | Other services | 2021 |
| Harmony WG Solar Limited | Other services | 2022 |
| Harmony Wreay Solar Limited | Other services | 2022 |
| Harperco Limited | Professional & scientific | 2009 |
| Harrogate Air Conditioning Limited | Construction | 2022 |
| Harrogate Airport Transfers Limited | Other services | 2012 |
| Harrogate Celebration Hire Ltd | Administrative & support | 2020 |
| Harrogate Child Entertainment Limited | Education | 2019 |
| Harrogate Design & Build Limited | Construction | 2025 |
| Harrogate Investments Limited | Real estate | 1978 |
| Harrogate Motivation Coaching Practice Ltd | Other services | 2022 |
| Harrogate Painters and Decorators Ltd | Construction | 2025 |
| Harrogate Private Hire Cars Limited | Transport & logistics | 2014 |
| Harrogate Property Developments Limited | Construction | 2023 |
| Harrogate Self Catering Ltd | Administrative & support | 2021 |
| Harrogate Soccer Parties Limited | Hospitality | 2022 |
| Harrogate Soccer School Limited | Health & social care | 2012 |
| Harthen Security Solutions Limited | Administrative & support | 2025 |
| Harts Surveys Limited | Professional & scientific | 2024 |
| Hassall Projects Limited | Professional & scientific | 2023 |
| Havenfort Homes (Leavening) Ltd | Construction | 2022 |
| Havenfort Homes Ltd | Construction | 2022 |
| Hawk Build Ltd | Construction | 2025 |
| Hawk EYE Property Management Ltd | Real estate | 2015 |
| Hawksmawer Limited | Manufacturing | 2017 |
| HAY Harrogate Ltd | Hospitality | 2025 |
| Hc&Ms Ltd | Transport & logistics | 2025 |
| Headingley Properties Limited | Real estate | 2016 |
| Health & Wellness Medica Clinic Ltd | Wholesale & retail | 2025 |
| Heit BD Limited | Other services | 2017 |
| Heit BF Limited | Other services | 2017 |
| Heit FM Limited | Other services | 2017 |
| Heit Holdings Ltd | Financial services | 2022 |
| Heit HP Limited | Other services | 2021 |