| Hpcrewe Ltd | Hospitality | 2025 |
| HPI Group Ltd | Financial services | 2022 |
| HRP Contracting Ltd | Construction | 2025 |
| HS Home Care Limited | Health & social care | 2024 |
| HS2 Property Limited | Real estate | 2016 |
| HSH Communication Consultancy Limited | Information & communication | 2019 |
| HTC Memorabilia Ltd | Wholesale & retail | 2024 |
| Htlandscaping Ltd | Administrative & support | 2023 |
| Huggon Associates Limited | Professional & scientific | 2003 |
| Hulme Tech Ltd | Information & communication | 2025 |
| Human Ingenuity Ltd | Real estate | 2015 |
| Hungryland Ltd | Hospitality | 2019 |
| HWG Consultancy Limited | Professional & scientific | 2015 |
| HWM Holdings Limited | Financial services | 2026 |
| HY Property Investments Limited | Real estate | 2023 |
| Hybrid Services Limited | Information & communication | 1996 |
| Hybrid Supplementation Ltd | Hospitality | 2021 |
| Hybridmind Solutions Ltd | Administrative & support | 2026 |
| Hydramatics Limited | Manufacturing | 1995 |
| HYP Fitness Limited | Arts & recreation | 2026 |
| Hypermnesia Ltd | Wholesale & retail | 2024 |
| I LETS2040 Ltd | Households | 2018 |
| I Recruitment Ltd | Administrative & support | 2021 |
| I S Medica Ltd | Health & social care | 2008 |
| I Sprint Ltd | Transport & logistics | 2017 |
| I Talk Speech Therapy Ltd | Health & social care | 2019 |
| I&A Contractors Ltd | Administrative & support | 2025 |
| I&R Logistics Ltd | Wholesale & retail | 2016 |
| I-Horse Limited | Transport & logistics | 2025 |
| I.T. Lifecycle Solutions Ltd | Professional & scientific | 2024 |
| I3ROCK & Co Limited | Construction | 2025 |
| IAN Finch Limited | Information & communication | 2017 |
| IAN Hopkins Consulting Ltd | Professional & scientific | 2021 |
| IAN Mackay Limited | Construction | 2015 |
| IAN Mills (Sales Consultancy) Ltd | Transport & logistics | 2010 |
| IAN Turner Consulting Limited | Professional & scientific | 2024 |
| Icater Corporate Ltd | Hospitality | 2020 |
| Ice and Fire Cosmetics Ltd | Other services | 2025 |
| Ice and Fire Lounge Ltd | Hospitality | 2026 |
| Ice and Fire Studios Ltd | Other services | 2023 |
| Ice Comms Holdings Ltd | Financial services | 2020 |
| Ice Comms Properties Ltd | Real estate | 2020 |
| Ice Telecommunications (Chester) Ltd | Extraterritorial | 2018 |
| Ice Telecommunications Ltd | Information & communication | 2014 |
| Icymi Limited | Wholesale & retail | 2026 |
| ID Motors Ltd | Extraterritorial | 2024 |
| Iesc Limited | Manufacturing | 2019 |
| Ifesupport Limited | Professional & scientific | 2014 |
| Ignis Boiler & Plumbing Company Ltd | Construction | 2015 |
| Igoma Apps Limited | Information & communication | 2023 |
| Ihanna Limited | Financial services | 2025 |
| Ihealth System Limited | Health & social care | 2012 |
| Ikonsu Limited | Transport & logistics | 2026 |
| Ilie Costel BBE Ltd | Transport & logistics | 2020 |
| Ilovemyprints Ltd | Wholesale & retail | 2023 |
| ILV Logistics Ltd | Transport & logistics | 2019 |
| ILV Trans Ltd | Transport & logistics | 2024 |
| IMA Trading Limited | Administrative & support | 2008 |
| Impact Worx Limited | Transport & logistics | 2022 |
| Imperial Drywall Limited | Construction | 2019 |
| Imperial Holdings Cheshire Ltd | Construction | 2024 |
| Improved Solutions Limited | Professional & scientific | 2006 |
| Imroth Holdings Limited | Real estate | 2017 |
| Imtf UK Ltd | Education | 2019 |
| IN Furnishings Logistics Ltd | Transport & logistics | 2022 |
| IN Furnishings Ltd | Wholesale & retail | 2020 |
| IN Time 4 YOU Ltd | Hospitality | 2025 |
| In.Security Limited | Information & communication | 2018 |
| Inbox Projects Limited | Wholesale & retail | 2017 |
| Incasa Consulting Limited | Professional & scientific | 2011 |
| Inclusive Community Development Ltd | Health & social care | 2020 |
| Independent Legal and Medical Solutions Limited | Professional & scientific | 2025 |
| Indian Grill (NW) Ltd | Hospitality | 2019 |
| Indofiligree Limited | Wholesale & retail | 2023 |
| Industech Limited | Wholesale & retail | 2018 |
| Industri-Textil JOB UK Limited | Professional & scientific | 2008 |
| Industrial Door and Dock Ltd | Manufacturing | 2010 |
| Industrial Lifting (Holdings) Limited | Financial services | 2021 |
| Industrial Lifting Fallgates LLP | | 2024 |
| Industrial Lifting Limited | Manufacturing | 2022 |
| Industrial Mineral Services Ltd | Manufacturing | 2003 |
| Infinite Cheshire Ltd | Construction | 2018 |
| INFO786 Ltd | Manufacturing | 2019 |
| Infoedge Analytics Ltd | Information & communication | 2025 |
| Infra Holdings Limited | Financial services | 2025 |
| Infra Tech Limited | Manufacturing | 2016 |
| Ingenium Engineering Facility Solutions Limited | Professional & scientific | 2022 |
| Ingredient Solutions Limited | Wholesale & retail | 2010 |
| Initech Test Engineering Limited | Information & communication | 2018 |
| Innate Futures Limited | Health & social care | 2018 |
| Innervision Designer Living Limited | Construction | 2002 |
| Innovate MAX Solutions Ltd | Construction | 2024 |
| Inside Futbol Limited | Information & communication | 2009 |
| Insight Medical Limited | Other services | 2017 |
| Inspiration Coaching & Consultancy Ltd | Health & social care | 2023 |
| Inspirazione Ltd | Hospitality | 2023 |
| Inspired Life Care Group Limited | Health & social care | 2017 |
| Inspired Life Care Limited | Health & social care | 2017 |
| Inspired Security Solutions (Manchester) Ltd | Administrative & support | 2014 |
| Instec Solutions Limited | Professional & scientific | 2007 |