| H2O Disaster Recovery & Restoration Limited | Administrative & support | 2025 |
| H2O Industrial Spraying Ltd | Construction | 2025 |
| H2O Restoration Midlands Ltd | Administrative & support | 2019 |
| H2O Restoration UK Limited | Financial services | 2026 |
| HAB Support Limited | Health & social care | 2022 |
| Hacket Engineering Ltd | Manufacturing | 2020 |
| Hadair Flight Training Limited | Transport & logistics | 2022 |
| Hadaircraft Limited | Arts & recreation | 2019 |
| Haggis Limited | Administrative & support | 2025 |
| Hagley Project Management Ltd | Construction | 2020 |
| Hagley ST Catering Ltd | Hospitality | 2020 |
| Hainer Investments Limited | Wholesale & retail | 2004 |
| Hair 2 Go Ltd | Other services | 2022 |
| Hale Path Packaging Ltd | Wholesale & retail | 2021 |
| Hampton Homes and Bathrooms Ltd | Construction | 2025 |
| Hampton Lovett Consultant Surveyors Limited | Administrative & support | 2017 |
| Hanbridge Enterprises Limited | Administrative & support | 2012 |
| Hanbury Hauliers Ltd | Transport & logistics | 2011 |
| Hanbury Marquees Limited | Other services | 2003 |
| Handle With Care Coventry and Warwickshire Limited | Other services | 2014 |
| Hands on Fire UK Limited | Information & communication | 2024 |
| Handyman & Blinds Ltd | Construction | 2023 |
| Hangry Group Ltd | Hospitality | 2024 |
| Hansons Lettings Limited | Real estate | 2014 |
| Happy Blocks Ltd | Real estate | 2025 |
| Happy Corner Nursery Ltd | Health & social care | 2018 |
| Happy Dappy Productions Ltd | Arts & recreation | 2014 |
| Happy House Live in Limited | Other services | 2020 |
| Happy Paws Pet Services Bromsgrove and Redditch Limited | Professional & scientific | 2018 |
| Happy Willow Care Ltd | Health & social care | 2024 |
| Haptic Anaesthesia Ltd | Health & social care | 2025 |
| Haptica Strategy Ltd | Professional & scientific | 2010 |
| Harborne Building Consultancy Limited | Construction | 2009 |
| Harborne Computers Limited | Wholesale & retail | 2010 |
| Harbourstone Properties Limited | Real estate | 2025 |
| Harboursview Limited | Professional & scientific | 2015 |
| Hardbody Group Limited | Administrative & support | 2024 |
| Hardbody Limited | Wholesale & retail | 2024 |
| Hardsups Limited | Administrative & support | 2024 |
| Hardy Brooker (Holdings) Limited | Administrative & support | 2022 |
| Hardy Oaks Consulting Ltd | Health & social care | 2022 |
| Harefield Place Properties Limited | Real estate | 2003 |
| Harley Street Overseas Medical Ltd | Information & communication | 2025 |
| Harley Street Television Ltd | Arts & recreation | 2025 |
| Harley's Holdings Ltd | Real estate | 2025 |
| Harlouste Limited | Financial services | 2013 |
| Harmann Ltd | Construction | 2024 |
| Harpercrewe Coinvest Limited | Financial services | 2022 |
| Harpers Aesthetics Ltd | Health & social care | 2024 |
| Harpers Heating Limited | Construction | 2011 |
| Harpur Network Cabling Limited | Information & communication | 2006 |
| Harrington Candles Ltd | Wholesale & retail | 2025 |
| Harris Business Park Management Limited | Households | 1999 |
| Harris Coaches (Bromsgrove) Limited | Transport & logistics | 1945 |
| Harrowfield Trade Limited | Wholesale & retail | 2026 |
| Harry Lloyd Limited | Arts & recreation | 2017 |
| Hartwright Commercials (Stourbridge) Ltd | Wholesale & retail | 2013 |
| Hartwright Properties Ltd | Real estate | 2023 |
| Harvey and Robert Estates Limited | Real estate | 2023 |
| Harvey's Office Coffee Ltd | Extraterritorial | 2015 |
| Harvington Bell Limited | Administrative & support | 2016 |
| Harvington Bell Properties Limited | Real estate | 2018 |
| Harvington Tech Limited | Information & communication | 2021 |
| Harwell Holdings Limited | Real estate | 1997 |
| Harwood Park Developments Limited | Construction | 2022 |
| Haslam Group Limited | Administrative & support | 2020 |
| Hasna Limited | Arts & recreation | 2024 |
| Hassaan Online Academy Ltd | Education | 2025 |
| Hastings Court Management Company Limited | Households | 1982 |
| Hatton Holders Limited | Professional & scientific | 2020 |
| Hatty Housing Limited | Construction | 2020 |
| Havana Primera Limited | Health & social care | 2019 |
| Havn Solutions Ltd | Professional & scientific | 2025 |
| Hayes Services Group Limited | Financial services | 2017 |
| Haynes Logistics Ltd | Transport & logistics | 2025 |
| HB Air Conditioning Ltd | Energy | 2024 |
| HB Boutique Hair Limited | Health & social care | 2015 |
| HCS Automation Limited | Construction | 2003 |
| HD Training Solutions Limited | Administrative & support | 2014 |
| Headland Press Limited | Information & communication | 2014 |
| Headway Adolescent Resources Limited | Health & social care | 1999 |
| Healey-Quinn Audio Ltd | Professional & scientific | 2006 |
| Health Professionals Recruitment Services (Holdings) Limited | Financial services | 2021 |
| Health Professionals Recruitment Services Limited | Administrative & support | 1997 |
| Health Travel Television Ltd | Arts & recreation | 2026 |
| Heart of Worcester Heating Ltd | Construction | 2025 |
| Heat Economy Limited | Energy | 2014 |
| Heatek Limited | Energy | 1997 |
| Heatex Climate Solutions Limited | Construction | 2025 |
| Heatex Heating Limited | Construction | 2024 |
| Heath Consultancy Services Ltd | Health & social care | 2019 |
| Heath Mill Hospitality Ltd | Administrative & support | 2019 |
| Heatline Plumbing & Heating Solutions Ltd | Construction | 2026 |
| HEATPLUMB360 Ltd | Construction | 2024 |
| Heatwise Systems Ltd | Professional & scientific | 2019 |
| Hecto Commercial Ltd | Real estate | 2024 |
| Hecto Ltd | Real estate | 2014 |
| Hecto Regeneration Ltd | Real estate | 2026 |
| Heidcroes Limited | Information & communication | 2007 |
| Heimlich Productions Limited | Arts & recreation | 2019 |