| Hiqualex Ltd | Wholesale & retail | 2022 |
| Hire Human Ltd | Administrative & support | 2022 |
| Hirecat Ltd | Administrative & support | 2025 |
| Hiretrux Limited | Administrative & support | 2016 |
| Hironel Ltd | Wholesale & retail | 2022 |
| Hirs Esse Quam Videri Limited | Financial services | 2022 |
| HIS Gates Christian Hub Limited | Other services | 2026 |
| Hitch-N-Pitch ( Merley) Ltd | Wholesale & retail | 2005 |
| Hive and Partners Limited | Real estate | 2021 |
| Hive Beach Company Limited | Hospitality | 2013 |
| Hive Relocations Limited | Households | 2018 |
| HJ Hometech Mart Limited | Wholesale & retail | 2024 |
| HJS Contracts Ltd | Administrative & support | 2022 |
| HK Roofing Company Limited | Construction | 2020 |
| HKR Burrows Property Developments Ltd | Real estate | 2024 |
| HL Botanicals Ltd | Manufacturing | 2023 |
| HLE Hire Ltd | Administrative & support | 2026 |
| HLF Planning Limited | Professional & scientific | 2006 |
| HM Land Ltd | Real estate | 2020 |
| HM Power Solutions Ltd | Professional & scientific | 2026 |
| Hmason Developments Ltd | Construction | 2024 |
| HMK Joinery Limited | Manufacturing | 2014 |
| HMO X Auctions Ltd | Administrative & support | 2024 |
| Hmox Ltd | Real estate | 2024 |
| HMS Marine Supplies Limited | Manufacturing | 2008 |
| HMS Saddique Ltd | Wholesale & retail | 2025 |
| Hmtr Limited | Administrative & support | 2010 |
| HMZ Shop Ltd | Wholesale & retail | 2025 |
| HN Technologies Ltd | Information & communication | 2024 |
| HO Projects Limited | Other services | 2015 |
| Hobby Tours Ltd | Administrative & support | 2013 |
| Hobel Marine Ltd | Manufacturing | 2025 |
| Hocl Limited | Manufacturing | 2011 |
| Hodgkinson Publishing Limited | Information & communication | 2000 |
| Hodson Decorating Limited | Construction | 2016 |
| Hoffix Ltd | Construction | 2019 |
| Hogarth Hill Limited | Real estate | 2018 |
| Hohomaya Ltd | Administrative & support | 2022 |
| HOI Broadstone Limited | Extraterritorial | 2017 |
| Holcombe Flats (Management) Limited | Households | 1998 |
| Holden Kitchens and Interiors Ltd | Construction | 2017 |
| Holdenhurst Road LLP | | 2007 |
| Holdfast Golf Ltd | Wholesale & retail | 2026 |
| Holdingai Ltd | Wholesale & retail | 2025 |
| Holland Estates (Blandford) Holdings Limited | Real estate | 2020 |
| Holland Estates (Blandford) Limited | Real estate | 1963 |
| Holland Garden Buildings Dorset Ltd | Manufacturing | 2021 |
| Holland Garden Buildings Ltd | Manufacturing | 2019 |
| Holland GAS Services Bournemouth Ltd | Construction | 2019 |
| Hollcare Ltd | Construction | 2020 |
| Hollenden Management Limited | Households | 1969 |
| Hollings and Worth Holdings Limited | Financial services | 2018 |
| Holly Lodge (Branksome Park) Limited | Households | 1997 |
| Holmdene Court Properties (Bournemouth) Limited | Real estate | 1964 |
| Holmes of Beauty (Ashley Cross) Ltd | Other services | 2024 |
| Holmes of Beauty (Wallisdown) Ltd | Other services | 2024 |
| Holmes of Beauty (Winton) Ltd | Other services | 2026 |
| Holmes of Beauty Academy Limited | Education | 2023 |
| Holmes of Beauty Limited | Other services | 2022 |
| Holmes of Beauty Retail Ltd | Other services | 2026 |
| Holmwood Services Limited | Health & social care | 2019 |
| Holspi Limited | Hospitality | 2015 |
| Holta Limited | Manufacturing | 2005 |
| Holton Heath MOT & Air Conditioning Centre Ltd. | Wholesale & retail | 2013 |
| Holton Point Management Limited | Real estate | 2010 |
| Holy Bull Limited | Wholesale & retail | 2024 |
| Holy Cluck Wings Ltd | Hospitality | 2026 |
| Holycross Developments Limited | Real estate | 2021 |
| Homark Studio Ltd | Information & communication | 2024 |
| Home AVE Ltd | Construction | 2026 |
| Home Building & Surveying (Midlands) Ltd | Professional & scientific | 2022 |
| Home Care Assist Ltd | Other services | 2019 |
| Home Efficiency Marketing Limited | Professional & scientific | 2015 |
| Home Emergency Assist Limited | Wholesale & retail | 2012 |
| Home NET Services Limited | Financial services | 2003 |
| Home of Golf Tours Limited | Arts & recreation | 1992 |
| Home Profile South Ltd | Construction | 2025 |
| Home Projects Poole Limited | Construction | 2024 |
| Home Safe 247 Limited | Real estate | 2015 |
| Home Sweet Homes (Dorset) Ltd | Real estate | 2016 |
| Home Thermal Systems Limited | Administrative & support | 2016 |
| Homebound Developments Ltd | Real estate | 2022 |
| Homecot Properties Limited | Real estate | 2021 |
| Homegen Improvements Ltd | Construction | 2025 |
| Homeisgood Consultant Ltd | Real estate | 2019 |
| Homelex Limited | Real estate | 1999 |
| Homemi Ltd | Wholesale & retail | 2023 |
| Homeshield Plus Limited | Construction | 2017 |
| Homestay Apartments Ltd | Real estate | 2026 |
| Hometeam Mortgages Ltd | Financial services | 2020 |
| Homeward Futures Ltd | Health & social care | 2026 |
| Homeworxdorset Ltd | Construction | 2018 |
| Homvera Ltd | Construction | 2026 |
| Honda of Bournemouth Limited | Wholesale & retail | 2006 |
| Honey Holdings Limited | Professional & scientific | 2008 |
| Honeycombe Services Ltd | Administrative & support | 2026 |
| Honky Tonk Collective Ltd | Hospitality | 2024 |
| HONSKITCHEN143 Limited | Hospitality | 2021 |
| Hoondahl Studios Ltd | Information & communication | 2025 |
| Hopa Global Limited | Administrative & support | 2025 |