| GX Estates Ltd | Real estate | 2022 |
| GX Media Ltd | Wholesale & retail | 2025 |
| GX Urban Ltd | Real estate | 2025 |
| Gxgong XUE Ltd | Wholesale & retail | 2025 |
| GY Ggyin Limited | Wholesale & retail | 2024 |
| Gyan Newman Group Ltd | Real estate | 2026 |
| Gym Compliance Ltd | Professional & scientific | 2025 |
| Gym Interiors Limited | Professional & scientific | 2026 |
| Gyro 1 Limited | Arts & recreation | 2010 |
| GYT Consulting Ltd | Wholesale & retail | 2026 |
| GZ Jaan Trading Company Limited | Administrative & support | 2023 |
| H Huang RUI Limited | Wholesale & retail | 2024 |
| H&Hm Properties Ltd | Real estate | 2021 |
| H&S Commerce Ltd | Wholesale & retail | 2026 |
| H.Artists Ltd | Administrative & support | 2017 |
| H.E.M. Group Ltd | Wholesale & retail | 2009 |
| H.E.R. Group Limited | Professional & scientific | 2015 |
| H.O.M.E by TT Limited | Real estate | 2025 |
| H2STORAGE Limited | Professional & scientific | 2023 |
| HA Enforcement Limited | Other services | 2023 |
| Hababie Ltd | Wholesale & retail | 2025 |
| Haberman + Nerds Press & Services Limited | Information & communication | 2020 |
| Habilis Home & Garden Limited | Construction | 2026 |
| Habit Catering Management Ltd | Wholesale & retail | 2025 |
| Habohabo Digital Market Ltd | Wholesale & retail | 2023 |
| Hachayim Mayim Limited | Financial services | 2009 |
| Hacken Limited | Extraterritorial | 2014 |
| Hadi Commerce Ltd | Wholesale & retail | 2026 |
| Haidn Foundation Ltd | Education | 2026 |
| Haifei-Outdoors Ltd | Wholesale & retail | 2024 |
| Haihai Trading Ltd | Wholesale & retail | 2026 |
| Haiheng Media Ltd | Information & communication | 2025 |
| Hailun Gynaecology Limited | Health & social care | 2025 |
| Haiming Ltd | Wholesale & retail | 2025 |
| Hair and Beauty Live International Community Interest Company | Other services | 2024 |
| Hair Repair Clinic Ltd | Health & social care | 2021 |
| Hairuixin Ltd | Wholesale & retail | 2025 |
| Haishan Ltd | Information & communication | 2025 |
| Haishigb Ltd | Wholesale & retail | 2025 |
| Haizea Activities Ltd | Financial services | 2023 |
| Haizhu International Ltd | Extraterritorial | 2014 |
| Hakhail Limited | Wholesale & retail | 2025 |
| Hakusana Ltd. | Information & communication | 2018 |
| Halcyon Holdings Limited | Financial services | 2024 |
| Halebank Developments (Helsby) Ltd | Real estate | 2009 |
| Halebank Developments (Warrington) Limited | Real estate | 2011 |
| Halehope Ltd | Extraterritorial | 2024 |
| Half Decent Limited | Information & communication | 2021 |
| Halli Property Management Ltd | Real estate | 2025 |
| Hallowed Ltd | Information & communication | 2026 |
| Halo Hair Beauty Trading Ltd | Wholesale & retail | 2025 |
| Halo Protect Limited | Extraterritorial | 2025 |
| Halocloud Network Limited | Information & communication | 2023 |
| Halsun International Limited | Extraterritorial | 2005 |
| Haluya Ltd | Wholesale & retail | 2025 |
| Halveston Partners Ltd | Professional & scientific | 2025 |
| Halxo Ltd | Wholesale & retail | 2025 |
| Hambleden Manor Limited | Administrative & support | 2013 |
| Hambleden Manor Stud Limited | Agriculture & fishing | 2024 |
| Hambrook Consulting Ltd | Professional & scientific | 2025 |
| Hamdan Outlet Limited | Wholesale & retail | 2025 |
| Hameed Ullah Ltd | Wholesale & retail | 2025 |
| Hamid Trade Co., Ltd | Manufacturing | 2025 |
| Hamilton Graham Limited | Real estate | 2019 |
| Hammer Consulting Ltd | Construction | 2024 |
| Hamper Doddle Ltd | Wholesale & retail | 2019 |
| Hampshire Construction Ltd | Construction | 2019 |
| Hamz MAS Projects Ltd | Construction | 2025 |
| HAN Treasures Ltd | Wholesale & retail | 2025 |
| Hand Specialist Limited | Health & social care | 2025 |
| Handel Consulting Ltd | Professional & scientific | 2022 |
| Handle Manufacturing Limited | Administrative & support | 2015 |
| Handmade Haven Ltd | Wholesale & retail | 2025 |
| Handmade TAO UK Limited | Education | 2025 |
| Handmadecrafts Ltd | Wholesale & retail | 2025 |
| Hands 2 Vision Ltd | Professional & scientific | 2025 |
| Handshake Communications Limited | Information & communication | 2013 |
| Handy Glam Co Ltd | Wholesale & retail | 2026 |
| Handycpd Ltd | Information & communication | 2026 |
| Handysoul Ltd | Wholesale & retail | 2026 |
| Hanfen Co., Ltd | Wholesale & retail | 2023 |
| Hang RIN Ltd | Wholesale & retail | 2025 |
| Hangdex Ltd | Wholesale & retail | 2025 |
| Hangsuoga Co., Ltd | Wholesale & retail | 2023 |
| Hangzhou Bayonne Pigment Technology Co., Ltd | Administrative & support | 2014 |
| Hangzhou DI Yang Technology Co., Ltd. | Wholesale & retail | 2024 |
| Hangzhou Durable Auto Parts Co., Ltd | Wholesale & retail | 2024 |
| Hangzhou Huaming Industry Co., Ltd | Extraterritorial | 2018 |
| Hangzhou Jingyi Trading Co., Ltd | Wholesale & retail | 2025 |
| Hangzhou Lijing Lighting Co., Ltd | Extraterritorial | 2018 |
| Hangzhou Lingruichem Co., Ltd | Administrative & support | 2012 |
| Hangzhou Pully Import and Export Co., Ltd. | Wholesale & retail | 2025 |
| Hangzhou Shengtang Import and Export Co., Ltd | Wholesale & retail | 2024 |
| Hangzhou Xiaohua Artisan Technology Co., Ltd. | Wholesale & retail | 2025 |
| Hangzhou Yuanzhou IMP & EXP Co., Ltd | Wholesale & retail | 2008 |
| Hanjan Crochet Ltd | Information & communication | 2022 |
| Hanover Harcourt Limited | Construction | 2015 |
| Hanqiangyi Ltd | Wholesale & retail | 2025 |
| Hansafe Limited | Manufacturing | 2023 |
| Hansfie Rittlet Ltd | Wholesale & retail | 2025 |