| HEN House (Oldham) Limited | Wholesale & retail | 2009 |
| Henna by Farhenna Ltd | Other services | 2026 |
| Henry Flooring Solutions Ltd | Construction | 2025 |
| Henry Supplys Ltd | Administrative & support | 2025 |
| Henshaw Cash and Carry Ltd | Administrative & support | 2017 |
| Henthorn’S Catering Ltd. | Hospitality | 2017 |
| Hepacart UK Ltd | Administrative & support | 2019 |
| Hephzibah Logistics Services Ltd | Transport & logistics | 2026 |
| Hercules Hire & Fleet Ltd | Transport & logistics | 2025 |
| Heri Homes Ltd | Real estate | 2024 |
| Heritage Classics Foundation | Manufacturing | 2017 |
| Heritage Foods Ltd | Wholesale & retail | 2025 |
| Heritage Homecare Ltd | Health & social care | 2020 |
| Heritage Plumbing and Heating Ltd | Construction | 2023 |
| Hermes Estate Limited | Real estate | 2016 |
| Hero Barber Ltd | Other services | 2025 |
| Hero OR Zero Limited | Wholesale & retail | 2020 |
| Heroes of Waterloo Limited | Hospitality | 2010 |
| Heron DRY Cleaning Services Limited | Administrative & support | 2014 |
| Heron Mill Limited | Real estate | 2016 |
| Heron Projects (Sycamore) Limited | Real estate | 2025 |
| Heron Projects Consultancy Limited | Professional & scientific | 2024 |
| Heron Projects Holdings Limited | Real estate | 2025 |
| Heron Projects Ltd | Real estate | 2023 |
| Herons Asset Management Limited | Real estate | 2015 |
| Herons Retail Limited | Wholesale & retail | 2018 |
| Hersteller Ltd | Wholesale & retail | 2019 |
| Hessen Medical Ltd | Wholesale & retail | 2016 |
| Hessle Heel Bar Ltd | Other services | 2002 |
| Hestia Resourcing Group Ltd | Administrative & support | 2021 |
| Heton Limited | Hospitality | 2025 |
| Hewitt Card (Financial Planning) Limited | Financial services | 2003 |
| Hexagon Corporation Ltd | Wholesale & retail | 2024 |
| Hexcel Properties Ltd | Real estate | 2018 |
| Hexegan Holdings Ltd | Financial services | 2025 |
| Hexegan Properties Ltd | Real estate | 2020 |
| Hexie Beauty Limited | Other services | 2023 |
| Hexie International Limited | Wholesale & retail | 2020 |
| Hexveil Ltd | Wholesale & retail | 2025 |
| Heyab Cleaning Ltd | Administrative & support | 2025 |
| Heyrod Communications Limited | Construction | 1991 |
| Heyrod Developments Limited | Construction | 2022 |
| Heyrod Holdings Ltd | Construction | 2015 |
| Heyrod Plant Limited | Administrative & support | 2017 |
| Heyside Electrical Services Ltd | Construction | 2025 |
| Heyside Group Payroll Limited | Administrative & support | 2014 |
| Heyside Heating and Bathrooms Ltd | Construction | 2021 |
| Heyside Limited | Hospitality | 2020 |
| Heyside Materials Limited | Administrative & support | 2014 |
| Heyside Plastics Ltd | Manufacturing | 2011 |
| Heyside Pre-School | Education | 2004 |
| Heywood Glass and Glazing Ltd | Professional & scientific | 2019 |
| Heywood RUG Company Limited | Manufacturing | 2015 |
| HFK Consultants Ltd | Information & communication | 2020 |
| HFK Homes Ltd | Construction | 2025 |
| HFS Fabrications Limited | Manufacturing | 2012 |
| HG Site & Stage Projects Ltd | Professional & scientific | 2018 |
| HGA Developments Limited | Real estate | 2021 |
| HGM Decorating Contractors Limited | Construction | 2009 |
| HGR Locums Ltd | Health & social care | 2024 |
| HH Decorate Limited | Construction | 2023 |
| HH Property Group Ltd | Real estate | 2021 |
| HHB UK (Group) Ltd | Manufacturing | 2026 |
| HHH Brothers Ltd | Wholesale & retail | 2025 |
| HHS Builders Ltd | Manufacturing | 2021 |
| Hi-Tech Global Limited | Administrative & support | 2012 |
| Hi-Way Units Limited | Wholesale & retail | 1981 |
| Hicks and Bates LP | | 2016 |
| Hiddentext Ltd | Professional & scientific | 2019 |
| HIG Motors Ltd | Wholesale & retail | 2025 |
| Higgin Floors Ltd | Construction | 2025 |
| Higgins Property Solutions Ltd | Real estate | 2024 |
| Higginshaw Abattoir Limited | Agriculture & fishing | 2000 |
| Higgs Properties Limited | Real estate | 2022 |
| High Dank Records Limited | Manufacturing | 2016 |
| High Definition Renovations Ltd | Construction | 2022 |
| High Girlies Ltd | Wholesale & retail | 2024 |
| High Light Sports Ltd | Manufacturing | 2023 |
| High Like Ltd | Professional & scientific | 2025 |
| High Quality Homes Limited | Construction | 2002 |
| High Spec Construction Ltd | Construction | 2025 |
| High Street (Lees) Management Limited | Real estate | 2006 |
| High Street Burton Management Company Limited | Households | 2026 |
| High Street Lees (Property Management) Ltd | Real estate | 2015 |
| Highbrow Consultancy Limited | Extraterritorial | 2021 |
| Higher Lydgate Park Management Company Limited | Extraterritorial | 1987 |
| Higher Pastures Management Company Limited | Households | 2019 |
| Highgate View Ltd | Hospitality | 2022 |
| Highland Cafe Limited | Hospitality | 2026 |
| Highland Laddie Trading Limited | Real estate | 2010 |
| Highland Trade Capital Ltd | Administrative & support | 2020 |
| Highlandprogress Ltd | Wholesale & retail | 2015 |
| Highlands Estates Limited | Real estate | 2024 |
| Highmoors Limited | Manufacturing | 2023 |
| Highstreet Hair (Oldham) Ltd | Other services | 2016 |
| Highway Windscreens (UK) Limited | Extraterritorial | 1995 |
| Hiit Station Ltd | Arts & recreation | 2021 |
| Hill Family Estates Ltd | Real estate | 2025 |
| Hill Top View Developments Limited | Construction | 2021 |
| Hill's Assets Unlimited | Professional & scientific | 2015 |