| High Trees Property Investment Ltd | Real estate | 2024 |
| HIGH14 Technologies Ltd | Professional & scientific | 2017 |
| Higham View Consultancy Services Limited | Wholesale & retail | 2011 |
| Higham View Holdings Ltd | Financial services | 2018 |
| Higher Farm Equine Ltd | Agriculture & fishing | 2022 |
| Higher Farm Wellbeing CIC | Education | 2024 |
| Higher Poole Driveway Limited | Households | 2017 |
| Highfield Farm Owners Limited | Real estate | 2015 |
| Highway Maintenance Ltd | Construction | 2022 |
| Hillgarth Limited | Professional & scientific | 2023 |
| Hillier Property Limited | Other services | 2015 |
| Hiltop Property Management Ltd | Hospitality | 2025 |
| Hindley Lawrence Limited | Professional & scientific | 2013 |
| Hindsite Inspection Ltd | Professional & scientific | 2010 |
| Hive Architects Studio Ltd | Professional & scientific | 2012 |
| Hm&H Builds Limited | Construction | 2026 |
| Hobc Ltd | Construction | 2026 |
| Holford Crescent Limited | Real estate | 2017 |
| Holland Court Management (Luton) Limited | Households | 1988 |
| Hollinford Technologies Limited | Information & communication | 2026 |
| Hollins Adlington Limited | Real estate | 2022 |
| Hollins Appel Limited | Real estate | 2016 |
| Hollins Bosch Limited | Real estate | 2016 |
| Hollins Chagall Limited | Real estate | 2016 |
| Hollins Degas Limited | Real estate | 2014 |
| Hollins Didsbury Limited | Construction | 2019 |
| Hollins Eastway Limited | Real estate | 2013 |
| Hollins Emin Limited | Real estate | 2017 |
| Hollins Freud Limited | Real estate | 2017 |
| Hollins Gatley Limited | Construction | 2020 |
| Hollins Grappenhall Limited | Construction | 2018 |
| Hollins Homes (Macclesfield) Limited | Real estate | 2022 |
| Hollins Landseer Limited | Real estate | 2014 |
| Hollins Monet Limited | Real estate | 2014 |
| Hollins Ormskirk Limited | Real estate | 2014 |
| Hollins Potton Limited | Real estate | 2019 |
| Hollins Sisley Limited | Real estate | 2014 |
| Hollins Strategic Land (NO 2) LLP | | 2010 |
| Hollins Strategic Land LLP | | 2007 |
| Hollins Turner Limited | Real estate | 2014 |
| Holly Grange Property Services Limited | Real estate | 2024 |
| Holmes Ventures Limited | Other services | 2022 |
| Home Hardware Supplies Limited | Wholesale & retail | 2024 |
| Homeboys Pizza Ltd | Hospitality | 2020 |
| Homed Limited | Wholesale & retail | 2020 |
| Homme Cheshire Ltd | Other services | 2017 |
| Hooked in Hale Limited | Hospitality | 2024 |
| Hope Through Action | Administrative & support | 2008 |
| Horris Hill Foundation | Education | 1957 |
| Houldens (Knutsford) Limited | Real estate | 1960 |
| Hound and Hunter Limited | Wholesale & retail | 2019 |
| Hounsham Services Limited | Administrative & support | 2025 |
| House Proud (Wilmslow) Limited | Wholesale & retail | 1997 |
| House Proud Cheshire Ltd | Administrative & support | 2023 |
| Housing Protect Limited | Financial services | 2020 |
| Housing Support Pro Ltd | Information & communication | 2016 |
| Howard Homes Ltd | Construction | 2018 |
| Howard Homes Macclesfield Ltd | Construction | 2025 |
| HSM Auto Services Ltd | Wholesale & retail | 2025 |
| HT Experts Ltd | Health & social care | 2025 |
| HT Overseas Investments Limited | Financial services | 2008 |
| Hughes Global Consulting Limited | Professional & scientific | 2016 |
| Hugo Francis Limited | Professional & scientific | 2019 |
| Hulahula.Co.Uk Ltd | Information & communication | 2025 |
| Hulistix Ltd | Information & communication | 2023 |
| Hunt & Co Investments Limited | Real estate | 2012 |
| Hunt & Co Property Limited | Construction | 2014 |
| Hunt & Co Publishing Limited | Real estate | 2020 |
| Hush Mallorca Ltd | Administrative & support | 2024 |
| Hydeaways Ltd | Administrative & support | 2020 |
| Hydrafly Limited | Administrative & support | 2024 |
| I CAN Help Ltd | Health & social care | 2021 |
| I H Jordan (Transport) Limited | Transport & logistics | 1982 |
| I.A.H. Vehicle Sourcing Ltd | Wholesale & retail | 2020 |
| Iain Macleod Associates Limited | Professional & scientific | 2015 |
| Iamkhd Ltd | Hospitality | 2025 |
| IAN Jenkinson Building Contractor Limited | Construction | 2003 |
| IBC Aviation Limited | Manufacturing | 2020 |
| Icit Business Intelligence Limited | Information & communication | 1999 |
| ID Capital Partners Ltd | Professional & scientific | 2025 |
| ID Real Estate NW Limited | Real estate | 2023 |
| Id-Gb Security Holdings Limited | Financial services | 2025 |
| Ideaz-Inc Limited | Professional & scientific | 2009 |
| IG4 Capital General Partner UK II LLP | | 2019 |
| IG4 Transport Co-Investments LP | | 2021 |
| Ihelp Saves Lives Ltd | Health & social care | 2023 |
| Illuminair Ltd | Professional & scientific | 2017 |
| IMF Projects Ltd | Construction | 2025 |
| Impel Innovations (2) Ltd | Manufacturing | 2021 |
| IN Nine Hands Ltd | Wholesale & retail | 2023 |
| IN2GETHER Limited | Hospitality | 2021 |
| Incognito Design Limited | Information & communication | 2005 |
| Incu Warrington Limited | Construction | 2026 |
| Infinity Maths Tutor Ltd | Education | 2024 |
| Inixsys Limited | Professional & scientific | 2007 |
| Innova Homes Ltd | Construction | 2023 |
| Innovation Insights (Europe) Limited | Administrative & support | 2020 |
| Insentiv Energy Ltd | Professional & scientific | 2025 |
| Inspired Renovations & Developments Limited | Construction | 2000 |
| Inspired Renovations Swanwick Limited | Agriculture & fishing | 2008 |