| Hands Fire Systems Limited | Professional & scientific | 2022 |
| Hannah Worsley Limited | Professional & scientific | 2018 |
| Hans Lingl (U.K.) Limited | Manufacturing | 1964 |
| Happy Feet Flooring Ltd | Construction | 2019 |
| Harbour Property Ltd | Real estate | 2026 |
| Harecastle Boats Limited | Construction | 2008 |
| Harmony Nails Limited | Other services | 2018 |
| Harmony Property and Management Solutions Ltd | Hospitality | 2019 |
| Harrison Payroll Limited | Professional & scientific | 2022 |
| Harrison Window Company Limited | Construction | 2014 |
| Hart Bespoke Furniture Ltd | Manufacturing | 2025 |
| Harvey Wilmot Limited | Wholesale & retail | 2002 |
| Harveyboard Limited | Administrative & support | 2008 |
| HAS Buen Tiempo Limited | Professional & scientific | 2009 |
| Haslington Properties Limited | Construction | 2020 |
| Hassock Wood Ltd | Real estate | 2014 |
| Hasta Luego Limited | Professional & scientific | 2009 |
| Hasta Pronto Limited | Professional & scientific | 2009 |
| Haus of YOU Cheshire Ltd | Other services | 2026 |
| Hawk Design and Installation Ltd | Construction | 2023 |
| Hawnlands Properties Limited | Real estate | 1991 |
| Hayes Associates Ltd | Professional & scientific | 1987 |
| Hayes Builders & Sons Limited | Construction | 2010 |
| Hayes Creative Ltd | Arts & recreation | 2013 |
| Haynes R Limited | Wholesale & retail | 2018 |
| Haystacks Services (UK) Limited | Professional & scientific | 2008 |
| HBH Project Management Ltd | Professional & scientific | 2020 |
| HC Vitality Solutions Ltd | Wholesale & retail | 2026 |
| Heads (Congleton) Limited | Manufacturing | 1987 |
| Headspa.Ce Luxury Head Spa Ltd | Other services | 2024 |
| Heage Limited | Professional & scientific | 2011 |
| Healthy Happy Homes Ltd | Real estate | 1983 |
| Healthy Happy Hub Ltd | Financial services | 2008 |
| Heamar Company Limited | Administrative & support | 2012 |
| Heartlands Developments Limited | Construction | 2021 |
| Heathdale Networks Limited | Information & communication | 2013 |
| Heatherway Properties Ltd | Real estate | 2021 |
| Helping Others MCR UK CIC | Other services | 2026 |
| Helsby Group Ltd | Hospitality | 2020 |
| Henley Real Estate Developments Limited | Real estate | 2014 |
| Henley Real Estate LLP | | 2012 |
| Henley Services Ltd | Manufacturing | 2025 |
| HEP Associates Ltd | Professional & scientific | 2021 |
| Heritage China (Staffordshire) Limited | Wholesale & retail | 1975 |
| Herspace Limited | Other services | 2021 |
| HEY VEG Limited | Hospitality | 2021 |
| Hide Perfections Ltd | Manufacturing | 2025 |
| Higginson & Ward Limited | Construction | 2000 |
| Higginson Property Ltd | Real estate | 2024 |
| Highlands of Astbury Limited | Agriculture & fishing | 2015 |
| Hillmoor Estate Ltd | Households | 2014 |
| HKO Construction Ltd | Construction | 2021 |
| HLD Associates Ltd | Financial services | 2015 |
| HM Brown Services UK Ltd | Administrative & support | 2017 |
| Hmit Limited | Administrative & support | 2008 |
| HMK Automation Group Limited | Professional & scientific | 2013 |
| HMK Technology Group Limited | Professional & scientific | 2019 |
| Hobby Gardener Limited | Administrative & support | 1999 |
| Hockenhull Developments Ltd | Construction | 2020 |
| Hogtron Limited | Professional & scientific | 2013 |
| Hokoko Limited | Professional & scientific | 2018 |
| Holland Estates Limited | Real estate | 2016 |
| Hollies Homes Limited | Real estate | 2025 |
| Hollinshead Brickwork and Construction Ltd | Construction | 2026 |
| Hollywood Princess Limited | Wholesale & retail | 2007 |
| Holmster Limited | Professional & scientific | 2014 |
| Home by the Cloud Ltd | Professional & scientific | 2025 |
| Home Education Shop Ltd | Education | 2019 |
| Home Farm Fishery (Alsager) Ltd | Agriculture & fishing | 2018 |
| Home From Home (Spain) Limited | Professional & scientific | 2018 |
| Home Spain Limited | Professional & scientific | 2018 |
| Homes by MRS Holmes Ltd | Professional & scientific | 2023 |
| Homes CC Property Ltd | Real estate | 2017 |
| Homes Cross Property Ltd | Construction | 2019 |
| Homes CW Property Ltd | Construction | 2018 |
| Homes Davenport Park Ltd | Real estate | 2018 |
| Homes GM Property Ltd | Real estate | 2015 |
| Homes Meyer Property Ltd | Real estate | 2014 |
| Homes NT Property Ltd | Real estate | 2016 |
| Homes WW Property Ltd | Real estate | 2017 |
| Hood PMO Ltd | Professional & scientific | 2025 |
| Hoover Like a Lady Limited | Administrative & support | 2016 |
| Hopentax Limited | Construction | 2026 |
| Hopscotch London Limited | Manufacturing | 2018 |
| Horizon Research & Consulting Limited | Professional & scientific | 2007 |
| Horsley TDS Limited | Professional & scientific | 2003 |
| Hortus Ltd | Agriculture & fishing | 2025 |
| House in Spain Limited | Professional & scientific | 2009 |
| Houses at Home Ltd | Professional & scientific | 2008 |
| Hovver Ltd | Information & communication | 2021 |
| Howtodo Limited | Professional & scientific | 2014 |
| Howty Limited | Real estate | 2024 |
| HR Project 1 Ltd | Construction | 2021 |
| HR Project 3 Ltd | Real estate | 2021 |
| HRB Electrical Ltd | Construction | 2011 |
| HRE (SM) Limited | Real estate | 2022 |
| HRW Electrical Services Limited | Manufacturing | 2013 |
| HS Sports Limited | Arts & recreation | 1979 |
| HSK Limited | Information & communication | 2023 |
| Htreasure Ltd | Information & communication | 2026 |