| Hafyan Ltd | Health & social care | 2018 |
| Hagan Entertainment Ltd | Information & communication | 2023 |
| Hagan Land Limited | Construction | 2006 |
| Hagefen Manchester | Other services | 2022 |
| Haggai Consultancy Limited | Health & social care | 2015 |
| Haggis Mcmoo Limited | Real estate | 2022 |
| Hagi Building & Cleaning Services Ltd | Construction | 2019 |
| Hagos Family Ltd | Real estate | 2024 |
| Hague Services Ltd | Real estate | 2010 |
| HAH Hospitality Ltd | Hospitality | 2024 |
| Haha International Ltd | Wholesale & retail | 2023 |
| Hahn Group Ltd | Administrative & support | 2023 |
| Hahz Clothing Company Ltd | Wholesale & retail | 2018 |
| Haide Holdings Limited | Financial services | 2025 |
| Haiden Property Holdings Limited | Real estate | 2019 |
| Haider & Co UK Ltd | Real estate | 2020 |
| Haider Consultancy Services Ltd | Wholesale & retail | 2018 |
| Haider Digital Ltd | Wholesale & retail | 2026 |
| Haider Halal Meat Ltd | Wholesale & retail | 2026 |
| Haider Properties Limited | Real estate | 2024 |
| Haider Property Ltd | Real estate | 2024 |
| Haider Sultan Enterprises Ltd | Wholesale & retail | 2025 |
| Haiderium Qalandrum Mastam Ltd | Wholesale & retail | 2025 |
| Haidex Construction Limited | Construction | 2026 |
| Haidra Corp Limited | Wholesale & retail | 2016 |
| Haika Investments Ltd | Financial services | 2021 |
| Haika Limited | Manufacturing | 2014 |
| Haikou (KO Fung) Refinery Limited | Extraterritorial | 2012 |
| Hail Dent Solutions Limited | Wholesale & retail | 2015 |
| Hail Ltd | Professional & scientific | 2015 |
| Haileybury Properties Limited | Real estate | 2022 |
| Hailhamck Limited | Wholesale & retail | 2025 |
| Hailwood House Management Limited | Households | 2005 |
| Hain Ltd | Information & communication | 2022 |
| Hain Recordings Ltd | Information & communication | 2026 |
| Hainan Corridor Trade Ltd | Wholesale & retail | 2025 |
| Hainan Free Trade Port Investment Limited | Financial services | 2024 |
| Hainton House Ltd | Real estate | 2024 |
| Haippa Atelier Ltd | Wholesale & retail | 2023 |
| Hair @ 158 Limited | Other services | 2017 |
| Hair Advocate UK and Co Ltd | Wholesale & retail | 2023 |
| Hair and Beauty Corp Limited | Wholesale & retail | 2019 |
| Hair Appeal (Swinton) Limited | Other services | 2009 |
| Hair by Charlotte (NW) Ltd | Other services | 2022 |
| Hair by Gareth Limited | Other services | 2013 |
| Hair by JES Ltd | Other services | 2026 |
| Hair by Miri Ltd | Other services | 2024 |
| Hair by Sharon Walton Limited | Other services | 2002 |
| Hair Couture (UK) Ltd | Other services | 2012 |
| Hair Eden Limited | Other services | 2006 |
| Hair Goddess by Shazzy Ltd | Other services | 2022 |
| Hair HQ Academy CIC | Other services | 2025 |
| Hair Icon Ashton Upon Mersey Limited | Other services | 2018 |
| Hair Icon Limited | Other services | 2011 |
| Hair LAB Salon Ltd | Other services | 2024 |
| Hair Loss Treatment Clinics Limited | Other services | 2018 |
| Hair Made Easi Ltd | Wholesale & retail | 2016 |
| Hair Management Manchester Limited | Other services | 2022 |
| Hair Manchester Direct Limited | Other services | 2022 |
| Hair Salon Manchester Ltd | Other services | 2022 |
| Hair Solved Limited | Other services | 2011 |
| Hair Solved Manchester Limited | Other services | 2014 |
| Hair Supremacy Ltd | Other services | 2023 |
| Hair Systems Limited | Other services | 2018 |
| Hair Systems Maintenance Limited | Other services | 2018 |
| Hair Systems Swinton Limited | Other services | 2024 |
| Hair Today (Walkden) Limited | Other services | 2002 |
| Hairbossboutique Limited | Education | 2020 |
| Hairburst Holding Group Limited | Financial services | 2020 |
| Hairbychinad CIC | Education | 2025 |
| Hairbyconnorjay Ltd | Other services | 2025 |
| Hairclone Cell Banking Limited | Professional & scientific | 2017 |
| Hairclone Cell Therapy Limited | Professional & scientific | 2017 |
| Hairclone Limited | Professional & scientific | 2015 |
| Hairclone Research Limited | Professional & scientific | 2017 |
| Hairco Limited | Wholesale & retail | 2015 |
| Haircutting Club Limited | Other services | 2025 |
| Hairextensions MCR Ltd | Other services | 2019 |
| Hairitage 167 Hair & Beauty Ltd | Other services | 2024 |
| Hairkcallum Ltd | Other services | 2022 |
| Hairlinewigs UK Ltd | Other services | 2022 |
| Hairlo Ltd | Manufacturing | 2025 |
| Hairrands Ltd | Other services | 2020 |
| Hairsosassy Ltd | Other services | 2023 |
| Hairstyle & Argento Academy Ltd | Other services | 2025 |
| Hairstyledbylayo Ltd | Other services | 2026 |
| Hairtricks N Beauty World Ltd | Wholesale & retail | 2019 |
| Hairways of Middleton Ltd | Other services | 2019 |
| Hairwell Limited | Other services | 2022 |
| Hairz 2 U Limited | Financial services | 2022 |
| Hais Holdings Limited | Financial services | 2021 |
| Haisa Ltd | Wholesale & retail | 2024 |
| Haiya Holdings Limited | Financial services | 2021 |
| Haiying Education International Limited | Education | 2018 |
| Haizain Construction Ltd | Construction | 2024 |
| HAJ ALI and Partners for International Trading Ltd | Wholesale & retail | 2024 |
| Hajad Ltd | Manufacturing | 2024 |
| Hajeez Ltd | Wholesale & retail | 2024 |
| Haji Barber MCR Ltd | Other services | 2021 |
| Haji Cash and Carry Ltd | Wholesale & retail | 2019 |