| Homeyeats Ltd | Hospitality | 2025 |
| Homica Limited | Transport & logistics | 2026 |
| Homies 6 Ltd | Hospitality | 2026 |
| Homylin Limited | Real estate | 2021 |
| Hon-Med Ltd | Health & social care | 2009 |
| Hondonvale Cockers & Collies Limited | Wholesale & retail | 2021 |
| Honest Cleaning Services Leeds Ltd | Administrative & support | 2024 |
| Honest Folk Studio Ltd | Professional & scientific | 2018 |
| Honest Homes Ltd | Real estate | 2022 |
| Honest Leafleting and Print Ltd | Professional & scientific | 2017 |
| Honest Supper Club Limited | Manufacturing | 2021 |
| Honesty Skincare Limited | Information & communication | 2015 |
| Honey & Blossom Limited | Real estate | 2022 |
| Honey & Hive Management Ltd | Hospitality | 2019 |
| Honey BEE (Leeds) Ltd | Education | 2014 |
| Honey Coffee Bike Ltd | Hospitality | 2021 |
| Honey House Ltd | Other services | 2015 |
| Honey Pottery Ltd | Arts & recreation | 2015 |
| Honeybees Day Nursery and Preschool Limited | Health & social care | 2014 |
| Honeycomb Software Ltd | Information & communication | 2017 |
| Honeywell Taverns Ltd | Hospitality | 2026 |
| Hong BAO Ltd | Hospitality | 2019 |
| Hong Kong EXP Ltd | Hospitality | 2025 |
| Hong Long Glossop Ltd | Hospitality | 2020 |
| Honing Contractors International (HCI) Limited | Professional & scientific | 2019 |
| Honley Homes Limited | Real estate | 2021 |
| Honos Medical Ltd | Health & social care | 2024 |
| Honour Flow Group Limited | Financial services | 2025 |
| Hooda Property Ltd | Real estate | 2019 |
| Hookstone Crushing & Aggregates Ltd | Construction | 2020 |
| Hookstone Group Ltd | Construction | 2018 |
| Hoole and Sons Ltd | Construction | 2026 |
| Hooleoscafe Ltd | Hospitality | 2023 |
| Hoop London Ltd | Arts & recreation | 2010 |
| Hoop Properties Limited | Real estate | 2022 |
| Hoorai Investments Ltd | Financial services | 2024 |
| Hoorents Ltd | Real estate | 2023 |
| HOP Horse Taverns Ltd | Hospitality | 2022 |
| Hope & Nurture Homes Ltd | Health & social care | 2025 |
| Hope Agar Limited | Professional & scientific | 1991 |
| Hope Anastasia Ltd | Other services | 2025 |
| Hope and Wood Ltd | Wholesale & retail | 2017 |
| Hope Architects Limited | Professional & scientific | 2019 |
| Hope Bereavement Support CIC | Health & social care | 2020 |
| Hope Church Harrogate | Other services | 2013 |
| Hope Commercial Property Limited | Real estate | 2025 |
| Hope Farm Trading Ltd | Agriculture & fishing | 2021 |
| Hope Fountain Community Care Limited | Public administration | 2025 |
| Hope Homestay Limited | Health & social care | 2014 |
| Hope Isabella Ltd | Wholesale & retail | 2025 |
| Hope Montessori Nursery School Ltd | Administrative & support | 2002 |
| Hopefield Holdings T/A Yorkshire Mobility Solutions Ltd | Wholesale & retail | 2025 |
| Hopeful Pathways Psychology Ltd | Education | 2023 |
| Hopewell Childcare Ltd | Health & social care | 2025 |
| Hopewell Homes Ltd | Households | 2025 |
| Hopewell Lane Management Company Limited | Real estate | 2014 |
| Hopkins and Brown Ltd | Real estate | 2023 |
| Hopkins Catering Equipment Limited | Manufacturing | 1988 |
| Hopkins Flooring Ltd | Construction | 2020 |
| Hops & Whiskers Ltd | Hospitality | 2019 |
| Hopson & Hemsley Holdings Limited | Financial services | 2020 |
| Hopton Analytics Limited | Information & communication | 2021 |
| Hopwood Creative Ltd | Information & communication | 2022 |
| Horatio Communications Limited | Transport & logistics | 2015 |
| Horden Engineering Limited | Professional & scientific | 2023 |
| Hordoca Ltd | Other services | 2021 |
| Horizon Construction Consultants Ltd | Construction | 2025 |
| Horizon Group of Companies Ltd | Real estate | 2024 |
| Horizon Grove Limited | Wholesale & retail | 2025 |
| Horizon Healthcare Homes Limited | Health & social care | 2009 |
| Horizon International (MCR) Ltd | Wholesale & retail | 2017 |
| Horizon IT Systems Limited | Information & communication | 2006 |
| Horizon Light Properties Limited | Real estate | 2025 |
| Horizon Manor Ltd | Real estate | 2025 |
| Horizon Mortgages Limited | Financial services | 2001 |
| Horizon North Properties Ltd | Real estate | 2025 |
| Horizon Properties Management Ltd | Real estate | 2022 |
| Horizon Property Assets Ltd | Real estate | 2024 |
| Horizon Property Partners Ltd | Real estate | 2023 |
| Horizon Social Research Ltd | Professional & scientific | 2025 |
| Horizon Sunderland RTM Company Limited | Households | 2024 |
| Horizon X Advisory Limited | Professional & scientific | 2025 |
| Horizons Coffee 2 Limited | Hospitality | 2016 |
| Horizons HR Limited | Administrative & support | 2025 |
| Horizontal Digital UK Limited | Information & communication | 2023 |
| Horme Consulting Limited | Professional & scientific | 2016 |
| Hornburn Holdings Limited | Financial services | 2020 |
| Horner Home Renovations Ltd | Manufacturing | 2025 |
| Horners Tiling Specialists Limited | Wholesale & retail | 2009 |
| Hornet GAS Engineers Limited | Construction | 2011 |
| Hornet Transport Ltd | Transport & logistics | 2016 |
| Hornsby Projects Ltd | Manufacturing | 2026 |
| Hornton Real Estate Limited | Real estate | 2021 |
| Horrocks Legal Limited | Professional & scientific | 2024 |
| Horse and Bull Ltd | Hospitality | 2023 |
| Horse Next Door Equestrian Services Ltd | Agriculture & fishing | 2013 |
| Horse Shoe 1 Limited | Real estate | 2025 |
| Horse Shoe 2 Limited | Real estate | 2025 |
| Horse Shoe 3 Limited | Real estate | 2025 |
| Horse Shoe Limited | Professional & scientific | 2025 |