| H R Blowers UK Limited | Manufacturing | 2007 |
| H&V Contracts Ltd | Construction | 2024 |
| H. Carter Limited | Hospitality | 2025 |
| H3 Property Consultants Limited | Professional & scientific | 2012 |
| H3 Property Projects Ltd | Professional & scientific | 2020 |
| H3 Property Services Limited | Construction | 2021 |
| Haddon Farms Limited | Agriculture & fishing | 2018 |
| Hadin Hague Developments Limited | Construction | 2026 |
| Haggwood Contracting Limited | Construction | 2022 |
| Hair Design 9 Ltd | Other services | 2012 |
| Halifax Symphony Orchestra Ltd | Arts & recreation | 2017 |
| Halifax Timber Merchants Ltd | Wholesale & retail | 2018 |
| Hall and Collins Limited | Construction | 2015 |
| Halliday Inspection Services Ltd | Professional & scientific | 2013 |
| Hallworth Electrical Limited | Construction | 2014 |
| Hang My Art LLP | | 2015 |
| Hanover Energy Ltd | Wholesale & retail | 2011 |
| Happy Senses Children's Therapy Limited | Health & social care | 2021 |
| Harden Moss Sheep Dog Trials Association Limited | Arts & recreation | 1997 |
| Harden Transport Ltd | Transport & logistics | 2019 |
| Hardwick Business Services Limited | Real estate | 2023 |
| Harold Fisher (Plastics) Limited | Manufacturing | 1957 |
| Harrison Ragan Holdings Limited | Real estate | 2021 |
| Hartslock Holdings Limited | Construction | 2024 |
| Hazel Hill Lettings Limited | Real estate | 2011 |
| HB Hire Solutions Limited | Administrative & support | 2019 |
| HB Precision Bearings Limited | Extraterritorial | 2014 |
| HB Precision Engineers Limited | Extraterritorial | 2014 |
| HB Surfacing Limited | Construction | 2014 |
| HCO Developments Limited | Real estate | 2026 |
| HD1 Self Storage Limited | Real estate | 2016 |
| HD9 Consultancy Ltd | Information & communication | 2024 |
| HD9 Developments Ltd | Real estate | 2020 |
| HD9 Network Group CIC | Administrative & support | 2025 |
| Hdstreeteats Ltd | Hospitality | 2025 |
| Heart Land Psychotherapy Ltd | Health & social care | 2021 |
| Heaton Landscapes Ltd | Professional & scientific | 2022 |
| Heffingdream Holdings Limited | Financial services | 2022 |
| Hektor Holdings Limited | Financial services | 2020 |
| Helen Aldous Limited | Other services | 2019 |
| Helios Sun Rooms Ltd | Arts & recreation | 2004 |
| Hellomint Ltd | Administrative & support | 2015 |
| Helme Edge Vineyard Limited | Agriculture & fishing | 2023 |
| Henderson Opticians Ltd | Health & social care | 2005 |
| Heneghan Architecture Ltd | Professional & scientific | 2021 |
| Herbal Infused Spring Water Company Limited | Manufacturing | 2019 |
| Herculean Sports Nutrition Limited | Extraterritorial | 2015 |
| Heritage Salon Solutions Limited | Financial services | 2010 |
| Hero's Chilli Ltd | Manufacturing | 2020 |
| Hertstrack Limited | Professional & scientific | 1994 |
| HGC Distribution Ltd | Wholesale & retail | 2018 |
| Hield England Limited | Manufacturing | 1922 |
| Hield Savile ROW Limited | Wholesale & retail | 2004 |
| High Point Investment Holdings Limited | Financial services | 2025 |
| Highfield 1964 Limited | Extraterritorial | 2013 |
| Highfield Property Leeds Limited | Real estate | 2022 |
| Highfield Property Services Ltd | Real estate | 2017 |
| Highgate Plumbing & Heating Limited | Construction | 2015 |
| Highland Services (2026) Ltd | Professional & scientific | 2026 |
| Highlife Campers Ltd | Wholesale & retail | 2022 |
| Hill Ventures Ltd | Wholesale & retail | 2025 |
| Hindle Holdings Ltd | Real estate | 2020 |
| Hindles Commercials Limited | Administrative & support | 1984 |
| HJJ Household Services Ltd | Administrative & support | 2022 |
| HLC Investments Ltd | Financial services | 2025 |
| Hmhg Construction Ltd | Construction | 2025 |
| Hobson Property Solutions Ltd | Construction | 2024 |
| Hocleanse Ltd | Professional & scientific | 2025 |
| Hoffmann Precision Bearings Limited | Extraterritorial | 2014 |
| Holistic Wellbeing Yorkshire Ltd | Health & social care | 2023 |
| Hollistic Planning Limited | Professional & scientific | 2025 |
| Hollowgate Estates Ltd | Real estate | 2025 |
| Hollowgate Trading Ltd | Hospitality | 2010 |
| Holmbridge Mill Ltd | Real estate | 2016 |
| Holme Architecture Limited | Professional & scientific | 2014 |
| Holme Business Solutions Ltd | Professional & scientific | 2025 |
| Holme Electrolysis Ltd | Other services | 2025 |
| Holme Improvement Limited | Administrative & support | 2021 |
| Holme Moss Limited | Real estate | 2021 |
| Holme Planning Partnership Ltd | Professional & scientific | 2022 |
| Holme Projects Ltd | Construction | 2026 |
| Holme Time Properties Limited | Real estate | 2025 |
| Holme Valley Accountancy Ltd | Professional & scientific | 2015 |
| Holme Valley Bar & Restaurant Limited | Hospitality | 2018 |
| Holme Valley Cable Jointing Ltd | Construction | 2009 |
| Holme Valley Camping & Caravan Park Limited | Hospitality | 2023 |
| Holme Valley Cleaning Services Ltd | Administrative & support | 2025 |
| Holme Valley Cooling Ltd | Construction | 2021 |
| Holme Valley Cosmetics Limited | Wholesale & retail | 2024 |
| Holme Valley Developments Ltd | Real estate | 2022 |
| Holme Valley Dyslexia Centre Ltd | Health & social care | 2024 |
| Holme Valley Electrical Limited | Construction | 2012 |
| Holme Valley Haulage Ltd | Transport & logistics | 2023 |
| Holme Valley Hearing AID Centre Limited | Health & social care | 2017 |
| Holme Valley Honey Limited | Manufacturing | 2023 |
| Holme Valley Karate & Kickboxing Academy Ltd | Education | 2023 |
| Holme Valley Marble & Granite Ltd | Wholesale & retail | 2011 |
| Holme Valley Pets & Supplies Limited | Wholesale & retail | 2014 |
| Holme Valley Plastering Ltd | Construction | 2024 |
| Holme Valley Property Ltd | Real estate | 2026 |