| Hirstwood Holdings Ltd | Hospitality | 2026 |
| Hitechstuff Limited | Wholesale & retail | 2005 |
| Hivey Nutrition Ltd | Manufacturing | 2026 |
| HK Lettings Ltd | Real estate | 2025 |
| HK2 Ltd | Real estate | 2020 |
| HM Fitness Limited | Arts & recreation | 2019 |
| HM Hair Limited | Other services | 2022 |
| HMA Pixel Studio Ltd | Professional & scientific | 2025 |
| HMK Enterprises Ltd | Real estate | 2019 |
| HMW Accountants Limited | Professional & scientific | 2012 |
| Hole Farm Management Co Ltd | Households | 2002 |
| Holiday Finder Ltd | Administrative & support | 2025 |
| Holidays U Book Limited | Professional & scientific | 2005 |
| Holistic Herb Limited | Professional & scientific | 2018 |
| Hollington Services Limited | Professional & scientific | 2018 |
| Holloway Plastering Services Limited | Construction | 2017 |
| Hollowmill Developments Ltd | Construction | 2017 |
| Holly Ashworth Ltd | Professional & scientific | 2024 |
| HOLLYDALE27 Ltd | Wholesale & retail | 2022 |
| Hollywood Covers Limited | Arts & recreation | 2006 |
| Hollywood Holdings WM Ltd | Administrative & support | 2022 |
| Hollywood Meats Ltd | Wholesale & retail | 2011 |
| Hollywood Properties WM Ltd | Administrative & support | 2022 |
| Home District Limited | Wholesale & retail | 2025 |
| Home From Home Direct Ltd | Households | 2015 |
| Home of Tone Ltd | Wholesale & retail | 2026 |
| Home Sale UK Limited | Real estate | 2022 |
| Home Shelf Limited | Wholesale & retail | 2025 |
| Home Town Barber Shop Ltd | Other services | 2023 |
| Homebase Properties Ltd | Real estate | 2025 |
| Homemade Food Company Ltd | Hospitality | 2010 |
| Homer Bill Ltd | Financial services | 2022 |
| Homer Bill Properties Ltd | Real estate | 2020 |
| Homes by Jones Interiors Ltd | Wholesale & retail | 2026 |
| HOO and HOW Limited | Manufacturing | 2019 |
| Hoopla Training Limited | Information & communication | 2014 |
| Hoot Leisure Limited | Construction | 2019 |
| Hope Cottage Creations Limited | Manufacturing | 2021 |
| Horizon Air Conditioning Limited | Construction | 1990 |
| Horse Fair Investments Ltd | Real estate | 2026 |
| Hot & Spicy Kebabs Ltd | Hospitality | 2026 |
| Hot Snack Ltd | Hospitality | 2026 |
| Hotstep Solutions Ltd | Other services | 2025 |
| Hoult's House Play Village Limited | Health & social care | 2024 |
| Hourglass Consultants Ltd | Administrative & support | 2025 |
| House Captain Management Limited | Real estate | 2024 |
| House Depot Limited | Wholesale & retail | 2025 |
| House Extensions Stourbridge Ltd | Construction | 2023 |
| House of Aesthetics Kinver Ltd | Other services | 2025 |
| House of Aesthetics Stourbridge Ltd | Other services | 2024 |
| Housekeeping by Hestia Ltd | Administrative & support | 2025 |
| Houseofcrustuk Ltd | Hospitality | 2025 |
| Hover Disco Ltd | Arts & recreation | 2018 |
| Howett.Com Limited | Other services | 2001 |
| Howson Farming Limited | Agriculture & fishing | 2024 |
| HP (Acton) Limited | Real estate | 2014 |
| HP (West Molesey) Limited | Real estate | 2013 |
| HP Bricks Limited | Hospitality | 2022 |
| HP Masonry Consultants Ltd | Construction | 2012 |
| HP Pubs Limited | Hospitality | 2019 |
| HPS Care Limited | Education | 2011 |
| HR Steaks & Grills Ltd | Wholesale & retail | 2024 |
| HRC Gearbox & Auto Centre Ltd | Wholesale & retail | 2024 |
| Hrizon Ltd | Administrative & support | 2011 |
| HRZ Restaurants Ltd | Hospitality | 2025 |
| HSG Locum Ltd | Health & social care | 2015 |
| HST Healthcare Limited | Wholesale & retail | 2008 |
| HSY Engine Expert Ltd | Wholesale & retail | 2025 |
| HSY Engine Expert Z Ltd | Wholesale & retail | 2026 |
| HTS Consultancy Limited | Professional & scientific | 2000 |
| HTW Group Limited | Professional & scientific | 2018 |
| Hubbul Limited | Administrative & support | 2015 |
| Hugh Reynolds Limited | Administrative & support | 2009 |
| Hughes Builders Ltd | Construction | 1998 |
| Hungary Hill Chippy Ltd | Hospitality | 2025 |
| Hungry Wolf Ltd | Information & communication | 2009 |
| Hushline Limited | Wholesale & retail | 2025 |
| Husmann UK Ltd | Manufacturing | 2019 |
| Hvymtl Limited | Wholesale & retail | 2024 |
| Hy-Brid Spatial Design Ltd | Professional & scientific | 2026 |
| Hyde Farm Barns Management Company Limited | Administrative & support | 2011 |
| Hydrogreen Consulting Ltd | Professional & scientific | 2019 |
| Hygieniclad Limited | Construction | 2016 |
| I a T (Delivery) Ltd | Hospitality | 2024 |
| I M Future Ltd | Hospitality | 2024 |
| I P Welding Repairs and Supplies Limited | Manufacturing | 2010 |
| I R James Associates Limited | Administrative & support | 2003 |
| I Vape Guru Ltd | Wholesale & retail | 2015 |
| I.A Connect Ltd | Construction | 2024 |
| I.T.S.I. Limited | Construction | 2020 |
| IAN Baker Specialist Weathering Systems Limited | Construction | 2020 |
| IAN COX Cardiology Services Ltd | Professional & scientific | 2023 |
| IAN King Enterprises Ltd | Wholesale & retail | 2020 |
| IAN Winstanley Photography Limited | Professional & scientific | 2003 |
| Iapr Limited | Professional & scientific | 2023 |
| Ibmj Limited | Wholesale & retail | 2022 |
| IBY Investment Limited | Financial services | 2024 |
| Icamsecurities Limited | Administrative & support | 2023 |
| Ichh Ltd | Financial services | 2024 |
| Icrg Child Rescue Services Ltd | Information & communication | 2025 |