| Hazbotic Limited | Information & communication | 2025 |
| Hazcapital Ltd | Real estate | 2024 |
| Hbos Social Housing Covered Bonds LLP | | 2004 |
| HC Media Ltd | Professional & scientific | 2025 |
| Hcegh Limited | Financial services | 2024 |
| Hcrw Properties Ltd | Real estate | 2026 |
| Hdpj Limited | Real estate | 2022 |
| Head Camp Counselling and Therapy Service Limited | Health & social care | 2021 |
| Head Injured People in Cheshire | Health & social care | 2013 |
| Headmasters Chester Limited | Other services | 2009 |
| Heads UP Finance Limited | Professional & scientific | 2016 |
| Headshield Ltd | Manufacturing | 2025 |
| Headspa HQ Ltd | Other services | 2024 |
| Healds Flooring Limited | Wholesale & retail | 2019 |
| Health and Harmony Lifestyle Ltd | Health & social care | 2025 |
| Healthbox C.I.C. | Health & social care | 2010 |
| Healthful Pets Limited | Wholesale & retail | 2013 |
| Healthsaving Ltd | Information & communication | 2021 |
| Hear Pure & Medico Hearing Ltd | Health & social care | 2015 |
| Heart-Is.Co.Uk Limited | Information & communication | 2016 |
| Hearth Finance Ltd | Financial services | 2013 |
| Hearthstone Nest Ltd | Professional & scientific | 2025 |
| Hearthstone Property Group Limited | Real estate | 2025 |
| Heat Pump Technical Solutions Ltd | Construction | 2021 |
| Heat, Space and Light Ltd | Professional & scientific | 2020 |
| Heath Health Solutions Ltd | Health & social care | 2015 |
| Heath Project Management Services Ltd | Professional & scientific | 2022 |
| Heathbrock Limited | Health & social care | 1987 |
| Heather.Vicky Limited | Other services | 2016 |
| Heathworks Ltd | Information & communication | 2019 |
| Heavy Transport Holdings Ltd | Other services | 2015 |
| Hectors Haulage Ltd | Transport & logistics | 2025 |
| HEEL2TOE Sneakers Ltd | Wholesale & retail | 2020 |
| Height Access Solutions Ltd | Construction | 2019 |
| Helen Anderson Designs Limited | Manufacturing | 2018 |
| Helen Elizabeth Consultancy Limited | Professional & scientific | 2025 |
| Helius Group Ltd | Other services | 2026 |
| Hello Cariad Ltd | Professional & scientific | 2021 |
| Hello Nails CH1 Ltd | Other services | 2025 |
| Helnic Procurement Ltd | Professional & scientific | 2023 |
| Helping Horses Helping People Ltd | Health & social care | 2021 |
| Helthco Limited | Other services | 2024 |
| Hemp Vegan UK Ltd | Wholesale & retail | 2022 |
| Hendall Manor Barns Limited | Hospitality | 2016 |
| Hendall Weddings Limited | Hospitality | 2020 |
| Henderson Garage Doors Limited | Extraterritorial | 2009 |
| Henderson Heritage Ltd | Professional & scientific | 2023 |
| Henderson Supercentre Limited | Extraterritorial | 2009 |
| Hendry Property Group Ltd | Real estate | 2016 |
| Hened Limited | Financial services | 2016 |
| Hensmill (SJR) LLP | | 2015 |
| Hensmill Estates LLP | | 2013 |
| Hensmill LLP | | 2010 |
| Hensmill Property LLP | | 2013 |
| Herald Wealth Management Ltd | Professional & scientific | 2025 |
| Herberts of Cheltenham Limited | Real estate | 2022 |
| Herbie and Josie Limited | Wholesale & retail | 2008 |
| Herdvyck Limited | Financial services | 2022 |
| Here and NOW Chester Limited | Health & social care | 2015 |
| Heritage Abides Ltd | Real estate | 2024 |
| Heritage Chester Community Interest Company | Education | 2025 |
| Heritage Court Capital Developments Limited | Construction | 2025 |
| Heritage Court Capital Limited | Administrative & support | 2020 |
| Heritage Holding North West Ltd | Financial services | 2019 |
| Heritage Resides Ltd | Real estate | 2025 |
| Heritage Stays Ltd | Real estate | 2022 |
| Heritage Stays Management Ltd | Real estate | 2023 |
| Heritage Stone (UK) Limited | Manufacturing | 2003 |
| Hermans Hermits Limited | Information & communication | 1986 |
| Hero Property Consultants Limited | Professional & scientific | 2018 |
| Hero Property Investments Limited | Real estate | 2017 |
| Hertfordshire Property Acquisition and Development Limited | Real estate | 2025 |
| Heswall Building Contractors Ltd | | 2009 |
| Hetherington Marine Ltd | Construction | 2022 |
| Hetherington Offshore Contracting Ltd | Construction | 2017 |
| Hetherington Wilson Trading Limited | Wholesale & retail | 2013 |
| Hewison Homes Ltd | Health & social care | 2026 |
| Hewitt & Sons Developments Ltd | Real estate | 2017 |
| Heyfield Park Investments Ltd | Financial services | 2018 |
| HF Viticulture & Wine Ltd | Hospitality | 2024 |
| HG Chester Limited | Financial services | 2009 |
| HG Property Solutions Limited | Real estate | 2020 |
| HGN Homes Limited | Construction | 2017 |
| HH Booster Ltd | Health & social care | 2021 |
| HHO Services Ltd | Professional & scientific | 2023 |
| HI Volume Entertainment Limited | Professional & scientific | 2006 |
| Hicksons Kitchen Ltd | Hospitality | 2025 |
| Higgi Limited | Wholesale & retail | 1927 |
| Higginbottom & Co. (Manchester) Limited | Professional & scientific | 1998 |
| Higgitt Developments Limited | Real estate | 2007 |
| High Bay Developments Ltd | Construction | 2023 |
| High Bay Industrial Ltd | Real estate | 2023 |
| High Bay Property Ltd | Real estate | 2023 |
| High Bird Shooting Limited | Arts & recreation | 2013 |
| High Grove Saughall Residents Association Limited | Households | 2012 |
| High Ranking Websites Limited | Other services | 2013 |
| High Street Spa Franchise UK Limited | Other services | 2012 |
| Higher Holsome Limited | Other services | 2003 |
| Highfields Contracts Limited | Agriculture & fishing | 2025 |
| Highstream Solutions Limited | Information & communication | 2017 |