| Holtrans Ltd | Transport & logistics | 2019 |
| Holy Reform Ltd | Other services | 2025 |
| Holyfields Trading Ltd | Wholesale & retail | 2026 |
| Home 4 YOU Ltd | Hospitality | 2014 |
| Home 4 YOU Residential Ltd | Real estate | 2022 |
| Home Alchemy Ltd | Wholesale & retail | 2013 |
| Home ALL Ltd | Wholesale & retail | 2022 |
| Home Appliance Guard Ltd | Other services | 2006 |
| Home Care Protect Ltd | Financial services | 2023 |
| Home Care Specialists Ltd | Construction | 2025 |
| Home Force Limited | Administrative & support | 2022 |
| Home Help Ltd | Wholesale & retail | 2021 |
| Home Insulation GB Ltd | Construction | 2024 |
| Home Lift Construction Ltd | Construction | 2024 |
| Home on the South Coast - Interior Styling Ltd | Professional & scientific | 2023 |
| Home Protect PVT Ltd | Other services | 2019 |
| Home Safe Assure Ltd | Wholesale & retail | 2019 |
| Home Support Ltd | Other services | 2018 |
| Home&Garden Medic Ltd | Administrative & support | 2025 |
| HOME4LET Ltd | Households | 2026 |
| Homealike Ltd | Hospitality | 2025 |
| Homecrest Solutions Ltd | Construction | 2025 |
| Homefield Development Management Company Ltd | Real estate | 2012 |
| Homeglow Solutions Ltd | Administrative & support | 2025 |
| Homehealth & Education Ltd | Education | 2025 |
| Homeland Products Limited | Wholesale & retail | 2010 |
| Homeleigh Designs Ltd | Manufacturing | 2024 |
| Homeliftimprovements Ltd | Construction | 2025 |
| Homely Cleaning Services Ltd | Administrative & support | 2025 |
| Homely Health Care Ltd | Health & social care | 2016 |
| Homer Estates Ltd | Real estate | 2021 |
| Homer Property Developments Ltd | Construction | 2018 |
| Homes & Steeple Limited | Real estate | 2007 |
| Homes by the Sea Limited | Real estate | 2025 |
| Homesat Ltd | Financial services | 2026 |
| Homeshield Roofing & Insulation Ltd | Construction | 2026 |
| Homesteader Limited | Professional & scientific | 2011 |
| Homesure Warranties Ltd | Other services | 2017 |
| Homesy Services Ltd | Information & communication | 2026 |
| Homesyd Electrical Limited | Construction | 2018 |
| Homewood Property Limited | Real estate | 2016 |
| Homeworks AV Limited | Other services | 2015 |
| Honest Desserts Limited | Hospitality | 2024 |
| Honest Meals Dorset Ltd | Hospitality | 2023 |
| Honey Cake Patisserie Ltd | Hospitality | 2022 |
| Honeybrook Adventure Farm Ltd | Arts & recreation | 2019 |
| Honeycake Bournemouth Ltd | Wholesale & retail | 2025 |
| Honeytown Ltd | Professional & scientific | 2025 |
| Honeywood House (Management) Limited | Households | 1980 |
| Hong GUO Catering Limited | Hospitality | 2020 |
| Hongfei Holding Limited | Real estate | 2019 |
| Hope & More Community Interest Company | Wholesale & retail | 2019 |
| Hope Books Ltd | Wholesale & retail | 2011 |
| Hope Electrical Ltd | Construction | 2023 |
| Hope Housing, Training and Support Ltd | Hospitality | 2009 |
| Hope Joy and Youth Limited | Professional & scientific | 2024 |
| Hope Roofing & Leadwork Ltd | Construction | 2020 |
| Hopeful Hearts Limited | Real estate | 2024 |
| Hopkins Investments Ltd | Real estate | 2026 |
| Hopkins Spray Coatings Ltd | Professional & scientific | 2026 |
| Horadada Properties Limited | Households | 2020 |
| Horan Music Limited | Wholesale & retail | 2026 |
| Horizon Auto Locksmiths & Tuning Ltd | Wholesale & retail | 2022 |
| Horizon Dorset Tech Solutions Limited | Health & social care | 2024 |
| Horizon Helicopters Ltd | Manufacturing | 2019 |
| Horizon Wealth Management Limited | Professional & scientific | 2012 |
| Horizonbio Ltd | Professional & scientific | 2025 |
| Horizons Investment Limited | Real estate | 2017 |
| Horley Spinal Health Ltd | Health & social care | 2013 |
| Horlock Professional Services Limited | Professional & scientific | 2017 |
| Hornet Vehicles Limited | Extraterritorial | 2015 |
| Horse Rider.Ai Limited | Information & communication | 2026 |
| Horsescout Limited | Wholesale & retail | 2012 |
| Horseshoe Court Freehold Limited | Households | 2004 |
| Horseshoe Thai Limited | Hospitality | 2019 |
| Horseshoe Thai TOO Ltd | Hospitality | 2024 |
| Hospitality Solutions Limited | Professional & scientific | 2002 |
| Hot 'N' Happening Ltd | Hospitality | 2024 |
| Hot Rocks Surf Company Limited | Hospitality | 1994 |
| Hotchkin Gardens Residents Management Company Limited | Households | 2023 |
| Hotel Vestry Ltd | Hospitality | 2013 |
| Hotelsmart Limited | Professional & scientific | 2000 |
| Hounslow Urban Farm Limited | Arts & recreation | 2019 |
| House & SON Property Consultants Limited | Real estate | 2006 |
| House & SON Property Consultants Number Three Limited | Real estate | 2019 |
| House & SON Property Consultants Number Two Limited | Real estate | 2010 |
| House Emergency Assist Limited | Construction | 2023 |
| House of Assets Ltd | Wholesale & retail | 2023 |
| House of Cupid Limited | Wholesale & retail | 2025 |
| House of Hair New Milton Ltd | Other services | 2019 |
| House of Lagos Ltd | Administrative & support | 2024 |
| House of Sparkle Prom and Wedding Dresses Ltd | Wholesale & retail | 2025 |
| House of Tötö Ltd | Manufacturing | 2025 |
| Houses to Homes Properties Ltd | Real estate | 2019 |
| Howard Llewellyn Associates Limited | Financial services | 2006 |
| Howard Road Property Limited | Real estate | 2016 |
| Howarth Construction Holdings Limited | Financial services | 2024 |
| Howcroft Plumbing & Heating Limited | Construction | 2023 |
| Howells Consultants Limited | Information & communication | 2016 |
| Howton Road Freehold Limited | Households | 2021 |