| Hand Realty Ltd | Real estate | 2024 |
| Hand to Hand Marketing Limited | Wholesale & retail | 2018 |
| Handelford Limited | Wholesale & retail | 2015 |
| Handelsmaatschappij Lelystad-Rdam Ltd | Administrative & support | 2021 |
| Handfix Solutions Ltd | Construction | 2024 |
| Handi Rotti Limited | Construction | 2019 |
| Handinfinity Comp Ltd | Other services | 2022 |
| Handle Recruiters Ltd | Administrative & support | 2018 |
| Handlebar Barista Ltd | Hospitality | 2020 |
| Handlebar Holdings Ltd | Information & communication | 2022 |
| Handled PA Limited | Administrative & support | 2019 |
| Handly Limited | Information & communication | 2022 |
| Handmade by the Sea Ltd | Hospitality | 2020 |
| HANDMADE4U Ltd | Wholesale & retail | 2025 |
| Handmadeluxe Ltd | Wholesale & retail | 2025 |
| Handpiece Ltd | Health & social care | 2021 |
| Hands on Properties Ltd | Real estate | 2019 |
| Handscomb of Hampstead Limited | Hospitality | 2015 |
| Handsonfirst Limited | Professional & scientific | 2016 |
| Handsoutset Ltd | Wholesale & retail | 2025 |
| Handuleh Consulting Service Ltd | Professional & scientific | 2017 |
| Handy Loan Club Co.Limited(The) | Other services | 1961 |
| Handyman Services Ltd | Construction | 2019 |
| Handyroo Property Maintenance Limited | Administrative & support | 2026 |
| Hang Productions Ltd | Information & communication | 2014 |
| Hang WAI Ltd | Hospitality | 2023 |
| Hangar Community Hub CIC | Arts & recreation | 2021 |
| Hangerra Limited | Information & communication | 2026 |
| Hangoverr Ltd | Wholesale & retail | 2025 |
| Hangyuan Tech Company Ltd | Wholesale & retail | 2021 |
| Hangzhou Bestli Biotech Co., Ltd. | Extraterritorial | 2020 |
| Hangzhou Gongzhen Home Supplies Co., Ltd | Extraterritorial | 2019 |
| Hangzhou Hanke Trading Co., Ltd | Extraterritorial | 2020 |
| Hangzhou Jingyu Trade Limited | Extraterritorial | 2017 |
| Hangzhou Xinye Import and Export Co., Ltd | Extraterritorial | 2021 |
| Hanhong Limited | Wholesale & retail | 2025 |
| Hanifazaryab Trading Limited | Manufacturing | 2025 |
| Hanjera Ltd | Wholesale & retail | 2024 |
| Hankiies Absor Ltd | Wholesale & retail | 2026 |
| Hanley Cwrt Management Company Limited | Households | 2003 |
| Hanna Paint Ltd | Construction | 2025 |
| Hannah Duberry Limited | Professional & scientific | 2012 |
| Hannah Johnson Advisory Limited | Professional & scientific | 2025 |
| Hannah Mathias Digital Learning Consultancy Ltd | Professional & scientific | 2025 |
| Hannah Minney Limited | Professional & scientific | 2013 |
| Hannah Mlatem Wigs and Extensions Limited | Other services | 2019 |
| Hanner Products Limited | Professional & scientific | 2001 |
| Hannzap Ltd | Wholesale & retail | 2025 |
| Hanora Cleaning Services Limited | Administrative & support | 2025 |
| Hanora Domestic Services Ltd | Administrative & support | 2024 |
| Hans Aviation Ltd | Wholesale & retail | 2015 |
| Hans Interactive Media Co., Ltd | Information & communication | 2021 |
| Hansels and Co Ltd | Administrative & support | 2016 |
| Hansens Global Ltd | Information & communication | 2025 |
| Hansford & Sons Art Ltd | Wholesale & retail | 2019 |
| Hansi Healthcare Limited | Education | 2019 |
| Hanson Cardiff Ltd | Wholesale & retail | 2025 |
| Hanson Paving Limited | Construction | 2017 |
| Hanson Volta Limited | Wholesale & retail | 2016 |
| Hany Construction Ltd | Construction | 2018 |
| Hanya Kuraguuzzi Ltd | Wholesale & retail | 2021 |
| Hanying Limited | Education | 2025 |
| Hanzcrew Ltd | Wholesale & retail | 2025 |
| Hanzel Ltd | Health & social care | 2015 |
| Haosee Limited | Wholesale & retail | 2021 |
| Haoxin Trading Co., Ltd | Administrative & support | 2021 |
| Haoyang Media Ltd. | Wholesale & retail | 2024 |
| Haoying Limited | Wholesale & retail | 2024 |
| Hapako Services Ltd | Wholesale & retail | 2021 |
| Happey Limited | Education | 2025 |
| Happiness LIT Catering Ltd | Manufacturing | 2024 |
| Happinest Ltd | Real estate | 2022 |
| Happinstance Ltd | Administrative & support | 2022 |
| Happy AS Larry Group Limited | Other services | 2016 |
| Happy Barbeque Limited | Hospitality | 2019 |
| Happy Booths Limited | Arts & recreation | 2016 |
| Happy Customers Cleaning Ltd | Administrative & support | 2025 |
| Happy Education Limited | Education | 2026 |
| Happy Ending Care Ltd | Administrative & support | 2018 |
| Happy Gadfly Limited | Health & social care | 2021 |
| Happy Home Living Co Ltd | Other services | 2025 |
| Happy House Media Limited | Professional & scientific | 2021 |
| Happy J Limited | Real estate | 2000 |
| Happy Juice Limited | Wholesale & retail | 2024 |
| Happy Keslie Garment Co., Ltd. | Extraterritorial | 2018 |
| Happy Life Services Ltd | Health & social care | 2019 |
| Happy Lisa Limited | Hospitality | 2026 |
| Happy LOK Diner Ltd. | Hospitality | 2016 |
| Happy Lotus Limited | Hospitality | 2021 |
| Happy Pet House Limited | Wholesale & retail | 2024 |
| Happy SHOP99 Ltd | Wholesale & retail | 2025 |
| Happy Smiles Dental Limited | Health & social care | 2022 |
| Happy Valley Limited | Hospitality | 2015 |
| Happy View 65 Limited | Hospitality | 2026 |
| Happy Welsh Co Ltd | Wholesale & retail | 2024 |
| Happyboat Recruitment Ltd | Administrative & support | 2019 |
| Happydrive Ltd | Transport & logistics | 2016 |
| Happyh Deal Limited | Wholesale & retail | 2025 |
| HAPPYHOME4U Ltd | Households | 2018 |
| Happyhoop Limited | Hospitality | 2015 |