| Heledas Investment Company Limited | Real estate | 1962 |
| Heliselling Ltd | Wholesale & retail | 2017 |
| Hello Spain Life Limited | Professional & scientific | 2026 |
| Helm Consultants Ltd | Administrative & support | 2020 |
| Helrard Limited | Real estate | 2024 |
| Henrietta Street Gym Ltd | Arts & recreation | 2015 |
| Henway Ltd | Construction | 2020 |
| Heptinstall Holdings Limited | Professional & scientific | 2008 |
| Heptinstall Properties Limited | Administrative & support | 2012 |
| HER Agents Ltd | Professional & scientific | 2025 |
| Herefordshire Sauce Ltd | Manufacturing | 2020 |
| Heron Press UK Partnership Limited | Other services | 2018 |
| Herons Gate Farm Kennels and Cattery Ltd | Other services | 2023 |
| HES Solutions Limited | Professional & scientific | 2017 |
| Hession Group Ltd | Manufacturing | 2019 |
| Hewston Investment Holdings Limited | Real estate | 2019 |
| HFA Enterprises Limited | Manufacturing | 2019 |
| HFC Consultancy (Services) Limited | Information & communication | 2014 |
| Hickman Construction Law Limited | Professional & scientific | 2019 |
| Hiflux Magnets Limited | Manufacturing | 1974 |
| High Burcot Limited | Health & social care | 2022 |
| High Growth Hub Limited | Professional & scientific | 2018 |
| Highlife Scaffolding Limited | Construction | 2017 |
| Highstream Property Management Limited | Real estate | 1982 |
| Hill Family Investment Company | Financial services | 2018 |
| Hill K Limited | Wholesale & retail | 2017 |
| Hills Surfacing Ltd | Construction | 2018 |
| Hinspeed Limited | Wholesale & retail | 2017 |
| Hinton Properties (Euro) Limited | Construction | 2026 |
| Hire Safe Operators Limited | Construction | 2012 |
| Hire Safe Solutions Limited | Administrative & support | 2013 |
| Hisshou Holdings Limited | Financial services | 2025 |
| HJ Supplies Ltd | Wholesale & retail | 2025 |
| HK Bromsgrove Ltd | Hospitality | 2024 |
| HLM Bromsgrove Limited | Wholesale & retail | 2016 |
| HME Group Limited | Education | 2020 |
| HME Logistics LLP | | 2010 |
| HME Technology Supplies Limited | Education | 2020 |
| Hoffman Real Estate Holdings Ltd | Real estate | 2023 |
| Holding 2 Limited | Professional & scientific | 2021 |
| Holding 3 Limited | Professional & scientific | 2023 |
| Holdstreet Limited | Information & communication | 2024 |
| Hollingworth Dean-Walker Associates Ltd | Professional & scientific | 2012 |
| Hollow Court Farm Limited | Administrative & support | 2011 |
| Holloways Sustainable Logistics Limited | Transport & logistics | 2016 |
| Hollybank Drive Limited | Real estate | 2020 |
| Holmeleigh Homes Limited | Real estate | 2014 |
| Holmeswood Properties LLP | | 2005 |
| Holy Oak Productions Inc Limited | Arts & recreation | 2024 |
| Holyoakes Group Limited | Financial services | 2005 |
| Home Early Records Limited | Information & communication | 2026 |
| Home Farm Day Nursery Limited | Education | 2010 |
| Home From Home Childminders Limited | Education | 2012 |
| Home Guard UK (Southern) Limited | Construction | 2019 |
| Home Report 24 Ltd | Professional & scientific | 2026 |
| Homedeel Limited | Wholesale & retail | 1995 |
| Hometec Property Services Limited | Real estate | 2016 |
| Hopwood Fight Centre Ltd | Arts & recreation | 2018 |
| Hopwood Garden and Landscaping Services Ltd | Administrative & support | 2017 |
| Horgan Commercial (Buntsford Drive) Ltd | Construction | 2023 |
| Horgan Homes (Chaddesley Driers) Limited | Construction | 2022 |
| Horgan Homes (Cuckoos Corner) Ltd | Construction | 2023 |
| Horgan Homes (Hartle Lane) Limited | Construction | 2022 |
| Horgan Homes (Mareham LE FEN) Ltd | Construction | 2021 |
| Horgan Homes and Developments Limited | Construction | 1997 |
| Horizon Farm Limited | Financial services | 2021 |
| Horizon Harmony Ltd | Arts & recreation | 2017 |
| Hornbeam Militaria Limited | Wholesale & retail | 2019 |
| Horsley Media Limited | Arts & recreation | 2019 |
| Horton Health Holdings Ltd | Financial services | 2026 |
| Hostus Limited | Information & communication | 2011 |
| Hot Properties Nationwide Limited | Real estate | 2013 |
| Hot Source Creative Limited | Professional & scientific | 2017 |
| Hotbed Media Limited | Information & communication | 2000 |
| Housability Ltd | Transport & logistics | 2022 |
| House of Blueberry Limited | Information & communication | 2022 |
| House of Care Services Ltd | Health & social care | 2009 |
| House of Hesketh Limited | Real estate | 2025 |
| House of Samra Properties Ltd | Real estate | 2015 |
| HOW to Find a Care Home Limited | Health & social care | 2014 |
| HOW to Find Care Limited | Extraterritorial | 2025 |
| HP Homecare Limited | Health & social care | 2021 |
| HPM Homes Limited | Real estate | 2022 |
| HR Beauty Limited | Other services | 2025 |
| HR Cotsworld Property Ltd | Real estate | 2026 |
| HS Westerman Properties Ltd | Real estate | 2023 |
| Hsra Corporate Ltd | Wholesale & retail | 2025 |
| HT Counselling Services Ltd | Health & social care | 2020 |
| HTF Associates Limited | Professional & scientific | 2004 |
| HTF Pharma Limited | Wholesale & retail | 2025 |
| Hub Echo Limited | Real estate | 2021 |
| Hughes Housing Services Ltd | Real estate | 2013 |
| Hugo Spritz Limited | Real estate | 2018 |
| Hugo Technology Limited | Professional & scientific | 2001 |
| Hulix Management Limited | Administrative & support | 2018 |
| Hummingfly Ltd | Professional & scientific | 2024 |
| Huntfun Limited | Information & communication | 1994 |
| Huntington Project Management Limited | Other services | 2019 |
| Huntsmore Associates Limited | Professional & scientific | 2005 |
| Huppert Engineering | | 1996 |