| Horizon Eservices Ltd | Administrative & support | 2014 |
| Horizon Hall Ltd | Real estate | 2025 |
| Horizon Homes Yorkshire Ltd | Health & social care | 2024 |
| Horizon NHY Limited | Professional & scientific | 2020 |
| Horizon Store Ltd | Wholesale & retail | 2025 |
| Horizon Training Services Ltd | Education | 2022 |
| Horners (Men's Wear) Limited | Wholesale & retail | 1957 |
| Horsecrest Ltd | Hospitality | 2021 |
| Horsepower Sourcing Ltd | Wholesale & retail | 2020 |
| Horsewater Ltd | Administrative & support | 2018 |
| Horsforth Hall Park Cricket Club C.I.C. | Education | 2025 |
| Horsome Equine CIC | Arts & recreation | 2022 |
| Horton Bank Top Community Foodbank CIC | Hospitality | 2025 |
| Horton Community Farm Co-Operative Limited | Agriculture & fishing | 2011 |
| Horton Decors Ltd | Wholesale & retail | 2024 |
| Horton Food Store Ltd | Wholesale & retail | 2022 |
| Horton Housing Support Limited | Hospitality | 2005 |
| Horton Legal Services Limited | Professional & scientific | 2009 |
| Horton Top Group Ltd | Real estate | 2026 |
| Horton Trading Limited | Professional & scientific | 2021 |
| Hortons Kitchens Ltd | Wholesale & retail | 2022 |
| Horvath Logistics Ltd | Transport & logistics | 2024 |
| Hospiserve Limited | Information & communication | 2025 |
| Hospitare Ltd | Hospitality | 2017 |
| Hosting 23 Ltd | Information & communication | 2023 |
| Hostlink Services Limited | Information & communication | 2025 |
| Hot Interiors Limited | Wholesale & retail | 2006 |
| Hot & Flamin Limited | Hospitality | 2025 |
| Hot & Tender (Yorkshire ) Limited | Hospitality | 2021 |
| Hot AS Hell Limited | Other services | 2018 |
| Hot Rocks Bradford Limited | Hospitality | 2026 |
| Hot Spot Bradford Ltd | Hospitality | 2020 |
| Hot Wings Films Limited | Information & communication | 2012 |
| Hotarc Welding Limited | Manufacturing | 2017 |
| Hotcrazes Bradford Limited | Wholesale & retail | 2018 |
| Hotel Snooze Ltd | Real estate | 2016 |
| Hothatch Ltd | Wholesale & retail | 2023 |
| Hotray Global Services Limited | Information & communication | 2023 |
| Hotspot BFD Ltd | Hospitality | 2023 |
| Hough Lane Apartments Ltd | Real estate | 2024 |
| Houlton Limited | Real estate | 2003 |
| House of Aesthetics Yorkshire Limited | Other services | 2026 |
| House of Balti Ltd | Hospitality | 2024 |
| House of Barkah Ltd | Wholesale & retail | 2025 |
| House of Bread Ltd | Manufacturing | 2017 |
| House of Cars (Yorkshire) Ltd | Manufacturing | 2018 |
| House of Ellis Ltd | Professional & scientific | 2025 |
| House of Gabriel Ltd | Administrative & support | 2016 |
| House of Guards Ltd | Financial services | 2023 |
| House of Imrozia Limited | Wholesale & retail | 2026 |
| House of Imrozia Walsal Limited | Wholesale & retail | 2025 |
| House of Juniorz Ltd | Other services | 2017 |
| House of Laser & Aesthetics Limited | Health & social care | 2023 |
| House of Modesty Ltd | Wholesale & retail | 2017 |
| House of Nails BFD Limited | Other services | 2024 |
| House of Sahar Limited | Wholesale & retail | 2021 |
| House of Sani Ltd | Wholesale & retail | 2026 |
| House of Saood Ltd | Real estate | 2022 |
| House of Tomfoolery Ltd | Administrative & support | 2019 |
| HOUSE4CAUSES CIC | Health & social care | 2025 |
| Housecroft Construction Ltd | Construction | 2017 |
| Housecroft Haulage Ltd | Transport & logistics | 2021 |
| Household Building Ltd | Construction | 2022 |
| Household Discounts Ltd | Wholesale & retail | 2022 |
| Houseofchill Ltd | Hospitality | 2024 |
| Housing Diversity Network | Professional & scientific | 2003 |
| Housing Helpers Ltd | Other services | 2019 |
| Hoverkartmaniaparty Ltd | Arts & recreation | 2020 |
| HOW888 Limited | Hospitality | 2023 |
| Howa Howa Ltd | Hospitality | 2025 |
| Howard Sandcliffe Investments 7 Limited | Professional & scientific | 2010 |
| Howarth Brickwork Ltd | Construction | 2023 |
| Howarth Morris Limited | Administrative & support | 2006 |
| Howdy LS11 Ltd | Hospitality | 2022 |
| Howdy Manchester Ltd | Hospitality | 2022 |
| Howlyballet Limited | Arts & recreation | 2023 |
| Hoyles Denholme Limited | Wholesale & retail | 2016 |
| Hoyz Limited | Health & social care | 2018 |
| HP Bespoke Construction Limited | Construction | 2016 |
| HP Bookkeeping Ltd | Professional & scientific | 2026 |
| HP2 Facilities Services Ltd | Construction | 2022 |
| HPC Properties LLP | | 2013 |
| HQ Banqueting Suite Ltd | Hospitality | 2020 |
| HQ Lazer Ltd | Other services | 2024 |
| HQ Legal Limited | Professional & scientific | 2025 |
| HQF Ltd | Other services | 2018 |
| HR & Collaborate Ltd | Professional & scientific | 2025 |
| HR Avatar Ltd | Professional & scientific | 2017 |
| HR Car Parts Ltd | Wholesale & retail | 2024 |
| HR Cars 1 Ltd | Wholesale & retail | 2020 |
| HR Clothing & Footwear Ltd | Wholesale & retail | 2024 |
| HR Drive Ltd | Education | 2025 |
| HR Eiendom Ltd | Construction | 2025 |
| HR Finances Yorkshire Limited | Professional & scientific | 2019 |
| HR MOT Service Ltd | Wholesale & retail | 2025 |
| HR Transfers Ltd | Transport & logistics | 2022 |
| HR Tuition Ltd | Education | 2025 |
| HRA Dessert & Shake Ltd | Hospitality | 2025 |
| HRA Local Limited | Wholesale & retail | 2024 |
| HRC Precision Engineering Ltd | Manufacturing | 2024 |