| Herbilab Natural Supplements Ltd | Wholesale & retail | 2025 |
| Herbious Ltd | Wholesale & retail | 2025 |
| Herbivore Industries Limited | Professional & scientific | 2018 |
| Herblite Trade Ltd | Wholesale & retail | 2025 |
| Herbly Limited | Wholesale & retail | 2021 |
| Herbvibe Ltd | Professional & scientific | 2025 |
| Hercules Recruitment Ltd | Administrative & support | 2019 |
| Heris Limited | Extraterritorial | 2013 |
| Heritage AI Limited | Information & communication | 2026 |
| Heritage Compliance Ltd | Professional & scientific | 2024 |
| Heritage Conservation (Coventry) Limited | | 1986 |
| Heritage Crafters Ltd | Wholesale & retail | 2025 |
| Heritage Homes Realty Ltd | Financial services | 2024 |
| Heritage Legal Ltd | Professional & scientific | 2026 |
| Heritage Productions Limited | Information & communication | 2017 |
| Heritage Property & Estates Limited | Other services | 2024 |
| Heritage Property Estates Limited | Real estate | 2022 |
| Herlack Solutions Ltd | Administrative & support | 2021 |
| Hermes Dynamics Cyfyngedig | Manufacturing | 2024 |
| Hermetic Rubber Company Limited | Manufacturing | 2024 |
| Hermionerose Limited | Education | 2013 |
| Hern & Crabtree Limited | Real estate | 2004 |
| Hero Awakening Life Coaching Ltd | Information & communication | 2025 |
| Heroes Legends Monsters Limited | Information & communication | 2024 |
| Heroes Limited | Wholesale & retail | 1990 |
| Heron Fenwick Limited | Wholesale & retail | 2019 |
| Heron Wealth Management Limited | Financial services | 2005 |
| Heronpalm Limited | Health & social care | 2015 |
| Herrybridge Limited | Other services | 2023 |
| Hersama Solutions Ltd | Administrative & support | 2022 |
| Herssi Ltd | Wholesale & retail | 2025 |
| Herstory Gift Cards Ltd | Wholesale & retail | 2024 |
| Herts Consultants Limited | Professional & scientific | 2014 |
| Herts Courier Limited | Transport & logistics | 2009 |
| Herxil Solution Ltd | Administrative & support | 2020 |
| Heshik Beshik Ltd | Extraterritorial | 2025 |
| Hession Properties Ltd | Real estate | 2020 |
| Hessonite Invest (UK) Limited | Real estate | 2024 |
| Hester & Ainsley Limited | Hospitality | 2011 |
| Hestia FM Holdings Ltd | Administrative & support | 2025 |
| Hestia Rental Limited | Real estate | 2021 |
| Heston Laser Clinic Limited | Other services | 2019 |
| HET Properties Ltd | Construction | 2019 |
| Hethfelton Ltd | Transport & logistics | 2021 |
| Heulog Ltd | Health & social care | 2021 |
| Hever Loft Conversions Ltd | Construction | 2020 |
| Hever Management Limited | Arts & recreation | 1997 |
| Hever Resort Hotel Limited | Hospitality | 2018 |
| Hewat Towers Ltd | Other services | 2024 |
| Hewett Heating & Plumbing Ltd | Construction | 2012 |
| Hewitt Specialist Envelope Contractors Ltd | Construction | 2018 |
| Hewson Medical Ltd | Professional & scientific | 2013 |
| Hexa Lawyers Limited | Professional & scientific | 2025 |
| Hexabuild Limited | Construction | 2025 |
| Hexagon Health Ltd | Health & social care | 2021 |
| Hexah Care Ltd | Administrative & support | 2025 |
| Hexen Hub Ltd | Wholesale & retail | 2016 |
| Hexis Capital Management Limited | Professional & scientific | 2025 |
| Hexplex Limited | Wholesale & retail | 2022 |
| HEY Jude's Coffee Ltd | Hospitality | 2024 |
| HEY Presto Ltd | Information & communication | 2023 |
| Heyang County Co., Ltd | Wholesale & retail | 2025 |
| Heybina Ltd | Other services | 2025 |
| Heylatte Ltd | Wholesale & retail | 2023 |
| Heylean.Com, Ltd. | Information & communication | 2020 |
| Heyongxin Ltd | Wholesale & retail | 2021 |
| Heytech Ltd | Wholesale & retail | 2019 |
| Heytenz Ltd | Wholesale & retail | 2021 |
| Heyucef Ltd | Other services | 2023 |
| Heyward Services Ltd | Arts & recreation | 2022 |
| Heywood James Investments Limited | Real estate | 2024 |
| Hezarfen Ltd | Wholesale & retail | 2025 |
| Hezico Ltd | Information & communication | 2025 |
| Hezimate Ltd | Wholesale & retail | 2023 |
| Hezmelo Recruits Ltd | Administrative & support | 2020 |
| HF Components Ltd | Wholesale & retail | 2026 |
| HF Technology Limited | Information & communication | 2017 |
| Hf&Sn Associates Limited | Real estate | 2021 |
| Hfar Technology Co., Ltd | Administrative & support | 2020 |
| HFD Developments Limited | Real estate | 2026 |
| HFM Vermoegensverwaltung Ltd | Professional & scientific | 2017 |
| Hfmv Ventures Ltd | Other services | 2024 |
| Hfpb Holdings Limited | Financial services | 2018 |
| Hfspot Ltd | Hospitality | 2025 |
| HFX Global Ltd | Wholesale & retail | 2016 |
| HFZ Holdings SPV1 Ltd | Real estate | 2023 |
| HG & KL Enterprise Ltd | Construction | 2025 |
| HG Assets Ltd | Real estate | 2024 |
| HGE Imaging Limited | Health & social care | 2021 |
| HGE Investments Limited | Real estate | 2024 |
| HGH Trade Limited | Construction | 2024 |
| Hgmg Properties Ltd | Real estate | 2018 |
| Hgpm Ltd | Construction | 2024 |
| HGR7 Limited | Other services | 2024 |
| HGV 02 Services Ltd | Administrative & support | 2021 |
| HGV 03 Services Ltd | Administrative & support | 2021 |
| HGV 05 Services Ltd | Administrative & support | 2023 |
| HGV 06 Services Ltd | Public administration | 2020 |
| HGV 08 Services Ltd | Administrative & support | 2020 |
| HGV 09 Services Ltd | Administrative & support | 2021 |