| Haq&Alvi Services Ltd | Wholesale & retail | 2022 |
| Haqi ALI Ltd | Arts & recreation | 2025 |
| Haqi Trade Ltd | Wholesale & retail | 2025 |
| Haqq Holdings Ltd | Professional & scientific | 2026 |
| Haqqaneedirect Ltd | Education | 2026 |
| Haque Food Trading Limited | Hospitality | 2025 |
| Haque Holdings Limited | Real estate | 2019 |
| Haque Medicare Ltd | Health & social care | 2015 |
| Haque Properties Birmingham Ltd | Real estate | 2025 |
| HAR Charan Motors (Midlands) Limited | Wholesale & retail | 2008 |
| HAR Enterprise Properties Ltd | Construction | 2025 |
| HAR Online Ltd | Wholesale & retail | 2023 |
| HAR RAI Trading Ltd | Administrative & support | 2013 |
| HAR Simran Ltd | Real estate | 2017 |
| Harald Pihl Limited | Administrative & support | 2007 |
| Haramain Trips Ltd | Administrative & support | 2023 |
| Haramayn Hotels Ltd | Hospitality | 2020 |
| Harambee Bikes Ltd | Manufacturing | 2025 |
| Harambee Organisation of Black Unity Ltd. | Other services | 2013 |
| Haran Solutions Limited | Wholesale & retail | 2013 |
| Harap Media Ltd | Information & communication | 2025 |
| Harar Holdings Ltd | Real estate | 2018 |
| Harazy Ltd | Transport & logistics | 2019 |
| Harb Construction Ltd | Construction | 2010 |
| Harb Services Ltd | Health & social care | 2026 |
| Harba Limited | Hospitality | 2021 |
| Harbar SIX Limited | Professional & scientific | 2023 |
| Harbarsix (Holding) Limited | Financial services | 2024 |
| Harbers Limited | Manufacturing | 2018 |
| Harbert European Real Estate Fund II (Parallel), L.P. | | 2006 |
| Harbert European Real Estate Fund II, L.P. | | 2005 |
| Harbert European Real Estate Fund III, L.P. | | 2010 |
| Harbert European Real Estate Fund IV (Scotland), L.P. | | 2015 |
| Harbert European Real Estate Fund IV, L.P. | | 2015 |
| Harbert European Real Estate Fund V (Scotland), L.P. | | 2017 |
| Harbert European Real Estate Fund V, L.P. | | 2017 |
| Harbert European Real Estate Fund VI, L.P. | | 2022 |
| Harbert European Real Estate Fund VII, L.P. | | 2026 |
| Harbert Management Corporation (Europe), LLC | | 1999 |
| Harbor Marine Hardware Ltd | Wholesale & retail | 2025 |
| Harbor Retail Limited | Wholesale & retail | 2025 |
| Harborhill Ltd | Real estate | 2022 |
| Harborne & Sons Ltd | Wholesale & retail | 2013 |
| Harborne Academy | Education | 2010 |
| Harborne and Smethwick Charitable Trust | Hospitality | 2018 |
| Harborne Barber Ltd | Other services | 2024 |
| Harborne Best Food Supermarket Ltd | Wholesale & retail | 2024 |
| Harborne Car Sales Ltd | Wholesale & retail | 2021 |
| Harborne Carwash Limited | Administrative & support | 2020 |
| Harborne Central Management Limited | Real estate | 2009 |
| Harborne Chiropractic Clinic Limited | Health & social care | 2015 |
| Harborne Consulting Ltd | Professional & scientific | 2026 |
| Harborne Financial Ltd | Financial services | 2007 |
| Harborne Garage Limited | Wholesale & retail | 2005 |
| Harborne Gate Ltd | Health & social care | 2025 |
| Harborne Grooming Ltd | Other services | 2021 |
| Harborne Grounds & Painters Ltd | Construction | 2021 |
| Harborne Hall Limited | Construction | 2025 |
| Harborne Haulage Limited | Administrative & support | 2017 |
| Harborne Holdings Limited | Financial services | 2021 |
| Harborne Indian Kitchen Bham Limited | Hospitality | 2025 |
| Harborne Investments Ltd | Administrative & support | 2016 |
| Harborne Jade Limited | Hospitality | 2025 |
| Harborne Lane Specialist Care Centre Ltd. | Health & social care | 2017 |
| Harborne Laundrette Limited | Other services | 2011 |
| Harborne Limited | Professional & scientific | 2021 |
| Harborne Local Ltd | Wholesale & retail | 2024 |
| Harborne Market Investments Holdings Limited | Administrative & support | 2026 |
| Harborne Market Investments Limited | Administrative & support | 2026 |
| Harborne Neuro OT Services Limited | Health & social care | 2025 |
| Harborne Oaks Management Company Ltd | Households | 2018 |
| Harborne Orthodontics Limited | Health & social care | 2018 |
| Harborne Press Limited | Administrative & support | 2016 |
| Harborne Property Development Limited | Construction | 2007 |
| Harborne Real Estate Limited | Real estate | 2026 |
| Harborne Retailers Management Company Limited | Households | 1990 |
| Harborne Rugby Football Club Limited | Arts & recreation | 2012 |
| Harborne Spa & Clinic Limited | Other services | 2018 |
| Harborne Sushi Ltd | Hospitality | 2024 |
| Harborne Tyres (2015) Ltd | Wholesale & retail | 2015 |
| Harborne Village Barber Ltd | Other services | 2026 |
| Harborne Village BID Ltd | Administrative & support | 2017 |
| Harborne Village Management Limited | Households | 2019 |
| Harborne Wealth Management Limited | Financial services | 2013 |
| Harborne Web Design Ltd | Information & communication | 2010 |
| Harborstone Holdings Ltd | Real estate | 2025 |
| Harbour Community Homes Ltd | Real estate | 2026 |
| Harbourstone Group Services Limited | Real estate | 2026 |
| Harbourstone Holdings Limited | Professional & scientific | 2025 |
| Harbys Limited | Hospitality | 2018 |
| Harco Properties Ltd | Real estate | 2024 |
| Hard Management and Construction Limited | Construction | 2024 |
| Hard to Find Cars Limited | Extraterritorial | 2001 |
| Hard to Find Coins Limited | Extraterritorial | 2011 |
| Hard to Find Digital Limited | Administrative & support | 2005 |
| Hard to Find Distribution Ltd | Wholesale & retail | 2011 |
| Hard to Find Hi-Fi Limited | Wholesale & retail | 2018 |
| Hard to Find Retail Limited | Extraterritorial | 2010 |
| Hard to Find Whiskey Limited | Extraterritorial | 2011 |
| Hard to Find Whisky Limited | Wholesale & retail | 2011 |