| Hollybank (Lightcliffe) Limited | Households | 1979 |
| Hollys House of Paws Ltd | Agriculture & fishing | 2023 |
| Hollytree Properties Ltd | Real estate | 2005 |
| Holme Valley Quantity Surveying Limited | Professional & scientific | 2017 |
| Holmfield Foam Converters Limited | Extraterritorial | 2000 |
| Holmfield MOT and Repairs Ltd | Wholesale & retail | 2015 |
| Holmfield Office Seating Limited | Extraterritorial | 2000 |
| Holmfield Tyre Centre Limited | Wholesale & retail | 2017 |
| Holton Property Group Limited | Real estate | 2024 |
| Holy Trinity Primary School, a Church of England Academy | Education | 2012 |
| Holywell Hall Management Company Limited | Households | 1996 |
| Home & Living Yorkshire Ltd | Manufacturing | 2024 |
| Home and Thread Ltd | Manufacturing | 2021 |
| Home Centre Store Ltd | Wholesale & retail | 2025 |
| Home Cuisines Limited | Wholesale & retail | 2023 |
| Home Energy Efficiency Limited | Construction | 1995 |
| Home Essence Ltd | Wholesale & retail | 2017 |
| Home School Ltd | Education | 2018 |
| Home Valley Brickworks Ltd | Construction | 2020 |
| Home Woodworkers' Supply Limited | Real estate | 1964 |
| Homeguard Security Systems Limited | Administrative & support | 1996 |
| Homenet (UK) Properties Limited | Real estate | 2007 |
| Homes Building & Roofing Limited | Construction | 2024 |
| Homes to Own Mortgages Ltd | Financial services | 2017 |
| Homeswirl Limited | Wholesale & retail | 2024 |
| Homio Ltd | Professional & scientific | 2025 |
| Hong Kong Halifax Ltd | Hospitality | 2024 |
| Hontree Holdings Limited | Real estate | 2021 |
| Hook & Line Leeds Limited | Hospitality | 2017 |
| Hope Healthcare Solutions Limited | Health & social care | 2022 |
| Hopetoun Innovations Ltd | Information & communication | 2025 |
| Hopscotch Corner Ltd | Health & social care | 2022 |
| Horbury Commercial Properties Ltd | Real estate | 2019 |
| Horizon Blaze Ltd | Wholesale & retail | 2025 |
| Horizon Homes Construction Limited | Construction | 2020 |
| Horsfield Residential Limited | Real estate | 2024 |
| Horsforth Developments Limited | Real estate | 2003 |
| Hot & Spicy (HX) Ltd | Hospitality | 2025 |
| Hot Beds Halifax Ltd | Other services | 2024 |
| Hot Developments UK Ltd | Construction | 2011 |
| Hot Enterprises Ltd | Real estate | 2006 |
| Hot House Digital Limited | Information & communication | 2017 |
| Hot N Spicy Halifax Ltd | Hospitality | 2026 |
| Hotel Harrogate Ltd | Hospitality | 2017 |
| Hotel Room Hotel Ltd | Hospitality | 2010 |
| Hoti Investments Limited | Real estate | 2025 |
| Hoti's Place Limited | Hospitality | 2024 |
| Hotties Thermal Packs Limited | Wholesale & retail | 1996 |
| House of Brook Limited | Real estate | 2025 |
| House of Food Limited | Hospitality | 2025 |
| House of Garber Limited | Professional & scientific | 2011 |
| House of Heyday Ltd | Arts & recreation | 2019 |
| House of Wellness Limited | Other services | 2016 |
| Housebyres Farming Ltd | Agriculture & fishing | 2006 |
| Housso Property Solutions Limited | Real estate | 2020 |
| Hove Edge Limited | Administrative & support | 2013 |
| Howardian Radiology Limited | Health & social care | 2022 |
| Howden Elevate Scaffolding Solutions Ltd | Construction | 2024 |
| Howell Goodfellow Limited | Construction | 2016 |
| Howgate Sable (UK) Ltd | Administrative & support | 1998 |
| Hoyland Homes Limited | Real estate | 2023 |
| Hoyland Plumbing and Heating Limited | Construction | 2019 |
| Hoyle Bathrooms Limited | Construction | 2023 |
| Hoyle Builders Limited | Construction | 2019 |
| Hoyle Grab Hire Ltd | Transport & logistics | 2024 |
| HPF Ltd | Professional & scientific | 2024 |
| HPL Global UK Ltd | Professional & scientific | 2013 |
| HR Medical Limited | Health & social care | 2023 |
| HR NOW Limited | Administrative & support | 2019 |
| HR Trading (HX) Ltd | Wholesale & retail | 2017 |
| HR With Confidence Ltd | Administrative & support | 2016 |
| Hractive Limited | Administrative & support | 2008 |
| HRG Building Company Limited | Construction | 2020 |
| HRH Facilities Ltd | Professional & scientific | 2018 |
| HRR Limited | Information & communication | 2015 |
| HS Halifax Tyres Ltd | Wholesale & retail | 2024 |
| HS Hardware Solutions Ltd | Wholesale & retail | 2024 |
| HS Traders Ltd | Manufacturing | 2020 |
| HS1 WY Limited | Other services | 2020 |
| HS2 WY Limited | Other services | 2020 |
| HS3 WY Limited | Other services | 2021 |
| Hsbg Limited | Construction | 2009 |
| Hsma Ltd | Health & social care | 2011 |
| Hsma Properties Ltd | Real estate | 2022 |
| HSP Collective Limited | Information & communication | 2024 |
| HSQ Recruitment LLP | | 2013 |
| Hssar Limited | Health & social care | 2025 |
| HT Direct Event Services Limited | Health & social care | 2020 |
| HTC Vehicle Hire Limited | Administrative & support | 2016 |
| HTS Plant Sales Ltd | Wholesale & retail | 2023 |
| HTS Truck Sales Ltd | Wholesale & retail | 2024 |
| HTS Truck Spares Limited | Wholesale & retail | 2025 |
| HUA EN Limited | Hospitality | 2022 |
| HUA HIN Leisure Halifax Ltd | Other services | 2018 |
| HUA HIN Leisure Ltd | Health & social care | 2016 |
| Huddersfield Art Supplies Limited | Wholesale & retail | 2011 |
| Huddersfield Vinyl Warehouse Limited | Wholesale & retail | 2013 |
| Hudson & Cerchione Limited | Wholesale & retail | 2014 |
| Hudson Ecom Solutions Ltd | Wholesale & retail | 2024 |
| Hudson Property Maintenance Limited | Construction | 2011 |