| HAI Enterprises Ltd | Wholesale & retail | 2025 |
| HAI PEI International Limited | Hospitality | 2019 |
| Hai-Raan Trading Ltd | Wholesale & retail | 2019 |
| Haibot Limited | Information & communication | 2024 |
| Haich 46 Limited | Hospitality | 2024 |
| Haicheng Business Ltd | Education | 2013 |
| Haidar Raie M Ltd | Health & social care | 2026 |
| Haidaria Investment Group UK Limited | Financial services | 2015 |
| Haider & Ismael Ltd | Real estate | 2024 |
| Haider Alaasam Limited | Health & social care | 2014 |
| Haider Courier Ltd | Transport & logistics | 2025 |
| Haider Grillz Ltd | Hospitality | 2025 |
| Haider PVT Ltd | Wholesale & retail | 2025 |
| Haider's Ltd | Wholesale & retail | 2022 |
| Haider's Shawarme Wala Ltd | Hospitality | 2025 |
| Haifatech Electronics Limited | Wholesale & retail | 2005 |
| Hail Transport and Logistics Ltd | Transport & logistics | 2026 |
| Hailey Express Limited | Wholesale & retail | 2024 |
| Haima Construction and Engineering Ltd | Construction | 2025 |
| Haimmerr Properties Limited | Real estate | 2023 |
| Hainge Road Management Ltd | Real estate | 2008 |
| Hair & Cosmetics Beauty Ltd | Wholesale & retail | 2026 |
| Hair & Skin Clinic Ltd | Other services | 2019 |
| Hair & Skin Clinicuk Ltd | Other services | 2022 |
| Hair @ 200 Ltd | Other services | 2025 |
| Hair and Accessories Ltd | Wholesale & retail | 2022 |
| Hair at 832 Limited | Other services | 2024 |
| Hair at Riley and Carruthers Limited | Other services | 2025 |
| Hair by Charles Russell Limited | Other services | 2003 |
| Hair by Christine Ltd | Other services | 2026 |
| Hair by Imad (Sheldon) Ltd | Other services | 2019 |
| Hair by Insha Ltd | Other services | 2026 |
| Hair by JC Limited | Other services | 2020 |
| Hair by Jennifer Ltd | Other services | 2020 |
| Hair by Lasting Touch Limited | Other services | 2023 |
| Hair by LEO Ltd | Other services | 2021 |
| Hair by SUJ Ltd | Other services | 2025 |
| Hair by Tinah Ltd | Wholesale & retail | 2024 |
| Hair Crack Ltd | Manufacturing | 2024 |
| Hair Craft Barbershop Ltd | Other services | 2026 |
| Hair Extension Centre T/A FLY Girls Limited | Other services | 2016 |
| Hair Growth Products Limited | Wholesale & retail | 2023 |
| Hair Loss & Scalp Clinic Ltd | Professional & scientific | 2018 |
| Hair Lounge Birmingham Ltd | Other services | 2010 |
| Hair Revive Birmingham Ltd | Other services | 2025 |
| Hair Studio MEK Ltd | Other services | 2020 |
| Hair.Restructured Ltd | Other services | 2025 |
| Haireditary Ltd | Wholesale & retail | 2026 |
| Hairouna Exotics Ltd | Wholesale & retail | 2022 |
| Hairs & Graces Extensions Limited | Other services | 2010 |
| Hairslay Ltd | Other services | 2025 |
| Hairtalksbyray Ltd | Other services | 2025 |
| Hairy Nostril Productions Limited | Information & communication | 2018 |
| Hairy Spice Ltd | Information & communication | 2021 |
| Haish Bay Limited | Transport & logistics | 2025 |
| Haix Gear UK Ltd | Wholesale & retail | 2022 |
| HAJ Guidance Limited | Administrative & support | 2024 |
| HAJ News Limited | Wholesale & retail | 2012 |
| HAJ Real Estate Limited | Real estate | 2017 |
| Hajar AL Aswad Ltd | Real estate | 2020 |
| Hajarexpress Ltd | Transport & logistics | 2024 |
| Hajee Talib Limited | Hospitality | 2021 |
| Hajees Nawaz Ltd | Hospitality | 2024 |
| Hajees Original Ltd | Hospitality | 2025 |
| Hajees Shawarma & Grill Ltd | Hospitality | 2025 |
| Hajeespizza Ltd | Hospitality | 2025 |
| Haji Boutique Clothing Ltd | Wholesale & retail | 2024 |
| Haji Chaps Ltd | Hospitality | 2024 |
| Haji Supermarket Limited | Wholesale & retail | 2023 |
| Haji Textile Limited | Wholesale & retail | 2025 |
| Haji Transport Ltd | Extraterritorial | 2024 |
| Hajico Ltd | Wholesale & retail | 2025 |
| Hajisboutique Birmingham Ltd | Wholesale & retail | 2026 |
| Hajisboutique Limited | Wholesale & retail | 2024 |
| Hajiz Trading Company Ltd | Wholesale & retail | 2020 |
| Hajj and Umrah Tours Limited | Professional & scientific | 2010 |
| Hajjix Retail Ltd | Wholesale & retail | 2025 |
| Hajjmasters Ltd | Administrative & support | 2015 |
| Hajra Enterprises Ltd | Water & waste | 2021 |
| Hajra Ltd | Hospitality | 2026 |
| Hajtrader Ltd | Wholesale & retail | 2026 |
| Hajveri Legal Services Ltd | Other services | 2025 |
| Hajwairy Foods Ltd | Wholesale & retail | 2020 |
| HAK Ecommerce Ltd | Wholesale & retail | 2026 |
| HAK Property Holdings Ltd | Hospitality | 2023 |
| Haka Holdings Ltd | Financial services | 2026 |
| Hakeem Supplements Limited | Manufacturing | 2023 |
| Hakim Auto Cars Ltd | Wholesale & retail | 2025 |
| Hakim Rose Building and Fire Consultancy Ltd | Professional & scientific | 2026 |
| Hakjav Ltd | Information & communication | 2018 |
| Haku Organics Ltd | Health & social care | 2025 |
| Hakuna Matata(No Worries) Ltd | Extraterritorial | 2013 |
| Hakunamajuto Ltd | Transport & logistics | 2026 |
| Hala Cover Ltd | Transport & logistics | 2024 |
| Halair Beauty Ltd | Other services | 2026 |
| Halair Property Group Ltd | Real estate | 2026 |
| Halaki Construction Ltd | Construction | 2025 |
| Halal and Tayyib Foods Ltd | Wholesale & retail | 2012 |
| Halal and Tayyib Ltd | Wholesale & retail | 2012 |
| Halal Card Ltd | Information & communication | 2023 |