| GRC Support Solutions Ltd | Professional & scientific | 2020 |
| Green & Higginson Limited | Wholesale & retail | 2003 |
| Green Trench Solutions Limited | Construction | 2023 |
| Greendawn Power Limited | Construction | 2020 |
| Greenfort Limited | Professional & scientific | 2010 |
| Greenkeeper Ground Solutions Limited | Administrative & support | 2018 |
| Grove House Flats Limited | Households | 2025 |
| Grydale UK Limited | Manufacturing | 2019 |
| Gthair Limited | Wholesale & retail | 2024 |
| H & R Motors Limited | Wholesale & retail | 2015 |
| H T C Solutions Limited | Wholesale & retail | 1993 |
| H.R.Hill,Limited | Construction | 1936 |
| H2O (NW) Holdings Limited | Financial services | 2020 |
| H2O Loco Limited | Transport & logistics | 2021 |
| Habitat Properties (Staffs) Limited | Real estate | 2024 |
| Halcion Express Limited | Transport & logistics | 1985 |
| Halcion Holdings Limited | Administrative & support | 2002 |
| Hallmark Electronics Limited | Manufacturing | 1979 |
| Halstone (UK) Holdings Limited | Real estate | 2010 |
| Halstone Finance Limited | Information & communication | 1991 |
| Halstone Mobile Phones Ltd | Information & communication | 1995 |
| Hamnett Construction Limited | Construction | 2013 |
| Hamnett Property Limited | Real estate | 2013 |
| Hamps LEA Ltd | Financial services | 2020 |
| Hampton Court Staffs Management Limited | Other services | 2020 |
| Hamptons Newcastle (Staffs) Ltd | Financial services | 2009 |
| Hamptons Property LLP | | 2011 |
| Hanchurch Consulting Limited | Professional & scientific | 2023 |
| Hand Made Places Limited | Extraterritorial | 1998 |
| Hanford Test Centre Limited | Wholesale & retail | 2019 |
| Hawk Media Services Limited | Professional & scientific | 2022 |
| HD Catering Equipment Limited | Wholesale & retail | 2019 |
| Hdserv Catering Engineers Limited | Manufacturing | 2019 |
| Hear YOU Ltd | Wholesale & retail | 2018 |
| Heathcote Industrial Plastics Limited | Manufacturing | 1979 |
| Hedgehog's Preschool Ltd | Education | 2015 |
| Hertech Electrical Solutions Ltd | Construction | 2020 |
| Heywoods (1881) Limited | Real estate | 2020 |
| Highbury Analytical Limited | Professional & scientific | 2015 |
| Higley International Ltd | Information & communication | 2016 |
| Hill Properties Limited | Real estate | 2025 |
| Hill Property Ventures Ltd | Real estate | 2021 |
| Hillman Roofing & Property Services Ltd | Construction | 2018 |
| Hillsyde Foundry (Staffordshire) Limited | Extraterritorial | 2000 |
| Hitman Boxing Ltd | Arts & recreation | 2022 |
| HMO Property Management Limited | Real estate | 2022 |
| Hobibpur Jonokollyan Trust Jogonnathpur UK Ltd | Other services | 2016 |
| Hollins Property Ltd | Real estate | 2025 |
| Hope First Limited | Real estate | 2012 |
| Horizons Coaching Solutions Limited | Health & social care | 2022 |
| Houdini IP Holdings Limited | Financial services | 2022 |
| Houdini Software Limited | Information & communication | 2018 |
| House Consultants Limited | Professional & scientific | 2020 |
| House Creative Agency Ltd | Professional & scientific | 2012 |
| HSK Investments Limited | Health & social care | 2018 |
| HTC Fleet Solutions Limited | Financial services | 2018 |
| Huber + Suhner Phoenix Dynamics Limited | Manufacturing | 1994 |
| Hulme Upright Limited | Professional & scientific | 2011 |
| Hulse Group Limited | Financial services | 2018 |
| Humanitarian and Ballistic Accommodation Limited | Manufacturing | 2017 |
| Humanitarian Rights Action Limited | Professional & scientific | 2014 |
| I P T Quality Cars Ltd | Wholesale & retail | 2012 |
| I.M.Electrical Services (SOT) Limited | Construction | 2023 |
| IAN Webb Dental Engineering Limited | Health & social care | 2016 |
| Icam Manufacturing Solutions Ltd | Manufacturing | 2019 |
| Ice and DEC Ice Cream Ltd | Hospitality | 2025 |
| Idcb Properties Limited | Construction | 2020 |
| Iexecutive Limited | Professional & scientific | 2022 |
| Ihrt Limited | Arts & recreation | 2021 |
| Imperial Bricks Ltd | Manufacturing | 2010 |
| IN2 Electrical Services Limited | Manufacturing | 2017 |
| Indigo Accountants Limited | Professional & scientific | 2003 |
| Indigo Holdings Limited | Professional & scientific | 2009 |
| Indigo Sales and Lettings Limited | Real estate | 2022 |
| Indo Trading Ltd | Hospitality | 2026 |
| Infinity Sky Films Ltd | Information & communication | 2025 |
| INNOV8 Human Resources Limited | Administrative & support | 2016 |
| Inpart Leisure Limited | Hospitality | 2020 |
| Insite Digital Solutions Limited | Information & communication | 2021 |
| Integrated Telecom Solutions Ltd | Information & communication | 1997 |
| Inter Office Limited | Wholesale & retail | 1984 |
| Interplan Leisure Limited | Wholesale & retail | 1998 |
| Interspace Building Services Limited | Construction | 2003 |
| Intro Personnel Limited | Administrative & support | 2010 |
| Intro Personnel Permanent Recruitment Limited | Administrative & support | 2015 |
| Intyres Holdings Ltd | Real estate | 2018 |
| IPD Solutions Limited | Professional & scientific | 2017 |
| IPR33 Ltd | Extraterritorial | 2014 |
| Iron Maidens Commercial Laundry Limited | Other services | 2012 |
| J & P Champ Limited | Information & communication | 2012 |
| J G Car Body Shop Ltd | Wholesale & retail | 2022 |
| J Oliver Roofing Limited | Construction | 2017 |
| J.A.Bailey & Sons(Builders)Limited | Wholesale & retail | 1954 |
| J.E.F Forrester (Stanley) Limited | Hospitality | 2023 |
| J.H. Homes Limited | Real estate | 2000 |
| Jacksons Accountants (Midlands) Limited | Professional & scientific | 2002 |
| Jaleo Holdings Ltd | Financial services | 2025 |
| Jango Properties 2 Ltd | Real estate | 2017 |
| Jason Hough Limited | Wholesale & retail | 2012 |
| JCA Cost Consulting Limited | Professional & scientific | 2011 |