| H & L Property Group Ltd | Real estate | 2025 |
| H UK Holdings Ltd | Real estate | 2014 |
| H&A Transport Ltd | Transport & logistics | 2019 |
| H&R Fine Art Ltd | Wholesale & retail | 2019 |
| Haden Hill Homes Limited | Construction | 2025 |
| Hail Mary Ltd | Real estate | 2026 |
| Halaka Import and Export Limited | Wholesale & retail | 2023 |
| Halcyon Capital Investments Ltd | Administrative & support | 2025 |
| Hallows Electrical Services Ltd | Construction | 2023 |
| Halls Contractors Commercial and Residential Limited | Construction | 2006 |
| Hands on Services Limited | Wholesale & retail | 2018 |
| Hansel Constructions Ltd | Construction | 2020 |
| HAP Carpentry Ltd | Construction | 2024 |
| Happys Pizza Lunt Ltd | Hospitality | 2026 |
| Haps Construction Ltd | Construction | 2023 |
| Harlam J Ltd | Construction | 2025 |
| Harle Properties Limited | Real estate | 2021 |
| Harman Graphics Ltd | Professional & scientific | 2023 |
| Harp Events & Celebrations Ltd | Administrative & support | 2025 |
| Harper Prescriber Ltd | Wholesale & retail | 2025 |
| Harprabh Transport Ltd | Transport & logistics | 2024 |
| Harpz Courier Ltd | Transport & logistics | 2026 |
| Hassock Interiors Limited | Wholesale & retail | 2022 |
| Haulage Line Ltd | Transport & logistics | 2021 |
| Haveli Foods Ltd | Hospitality | 2026 |
| Havenleads Limited | Professional & scientific | 2025 |
| Havish Ltd | Wholesale & retail | 2024 |
| Haybucks Ltd | Administrative & support | 2009 |
| Hayer Associates Ltd | Information & communication | 2016 |
| Hayer Logistics Ltd | Transport & logistics | 2020 |
| Hayre Property Ltd | Real estate | 2022 |
| HEADLIGHT4ALL Ltd | Wholesale & retail | 2023 |
| Healing Touch Ayurvedic Herbal Clinic Ltd | Health & social care | 2018 |
| Health Connect Homes Ltd | Health & social care | 2023 |
| Healthbank Building Services Limited | Construction | 2017 |
| Heathbrook Contracts Limited | Real estate | 1998 |
| Heathbrook Fabrications Limited | Professional & scientific | 2010 |
| Hegemon Holding Ltd | Information & communication | 2015 |
| Heidalet Coaching and Mentoring Limited | Information & communication | 2014 |
| Heise Integrated Solutions Ltd | Information & communication | 2006 |
| Helical Automation Ltd | Professional & scientific | 2023 |
| Helical Syndicate Ltd | Financial services | 2024 |
| Hello Creative UK Limited | Wholesale & retail | 2024 |
| Herbamelia Ltd | Health & social care | 2024 |
| Hero Haircare Limited | Manufacturing | 2025 |
| Heruset Limited | Education | 2012 |
| HFF Property Developers Ltd | Construction | 2024 |
| HGV Auto Repair & Maintenance Limited | Transport & logistics | 2025 |
| HGV Repair & Care Specialist Ltd | Transport & logistics | 2025 |
| HHI Sofa Ltd | Wholesale & retail | 2020 |
| Hhuzzy Ltd | Hospitality | 2025 |
| Higher Thinking Ltd | Other services | 2025 |
| Highland Property Partners Ltd | Real estate | 2025 |
| Hills of London Administration Management Ltd | Administrative & support | 2022 |
| Hinett & Co Accountants Ltd | Professional & scientific | 2016 |
| HIT Solutions Ltd | Information & communication | 2024 |
| HJH Developments Limited | Construction | 2014 |
| Hjrb Enterprises Ltd | Wholesale & retail | 2026 |
| HJY Transport Ltd | Transport & logistics | 2024 |
| HK Hayer Ltd | Professional & scientific | 2024 |
| HKC Transport Ltd | Transport & logistics | 2015 |
| Hkmt Ltd | Wholesale & retail | 2015 |
| Hkmtx Ltd | Wholesale & retail | 2025 |
| HKS Transport Ltd | Transport & logistics | 2017 |
| HLM Creative Ltd | Professional & scientific | 2025 |
| HLP Distribution Limited | Transport & logistics | 2018 |
| Holisticly Yours VW Ltd | Other services | 2022 |
| Hollywood Nails Bilston Ltd | Other services | 2024 |
| Homara Limited | Hospitality | 2024 |
| Home at Bsupported Ltd | Real estate | 2025 |
| Home Energy Action Team Limited | Professional & scientific | 2018 |
| Home Forever Limited | Health & social care | 2025 |
| Home Store U.K Ltd | Wholesale & retail | 2026 |
| Homemakers Solutions Ltd | Real estate | 2023 |
| Homer J Developments Ltd | Real estate | 2020 |
| Homers Travel Ltd | Transport & logistics | 2017 |
| Homful Ltd | Wholesale & retail | 2026 |
| Houghton Construction Services Ltd | Construction | 2025 |
| Howlspeed Limited | Transport & logistics | 2014 |
| HP Select Ltd | Wholesale & retail | 2018 |
| Hpac Plant and Transport Limited | Transport & logistics | 2006 |
| HQ Property Management Ltd | Real estate | 2026 |
| Hrai Construction Services UK Ltd | Construction | 2023 |
| Hrai Properties Ltd | Real estate | 2023 |
| HRS Real Estate UK Ltd | Construction | 2020 |
| HRS Spice Ltd | Hospitality | 2022 |
| HS Discount Skip Hire Ltd | Water & waste | 2025 |
| HS Nail & Beauty Limited | Other services | 2022 |
| HS Transport U.K Limited | Transport & logistics | 2025 |
| HSB Convenience Store Ltd | Wholesale & retail | 2018 |
| HSJ Management Services Limited | Real estate | 2023 |
| HSJ Metal Finishings Group Ltd | Financial services | 2022 |
| Hskmotors Limited | Wholesale & retail | 2024 |
| HSL Haulage Ltd | Transport & logistics | 2022 |
| HSM Group Limited | Real estate | 2016 |
| HSM Transport Ltd | Transport & logistics | 2021 |
| Hsrk Investments Ltd | Real estate | 2025 |
| Humble Interior Ltd | Manufacturing | 2023 |
| Hungarian Advice Service Limited | Professional & scientific | 2014 |
| Hyperion Inns Limited | Real estate | 2013 |