| Hallamshire Heating Co. Limited | Extraterritorial | 2006 |
| Hallamshire History Limited | Education | 2014 |
| Hallamshire Medical Research Limited | Professional & scientific | 1994 |
| Hallamshire Projects Limited | Professional & scientific | 2013 |
| Hallamshire Racquet Sports Trust Limited | Extraterritorial | 1940 |
| Hallamshire Sheet Mills Limited | Extraterritorial | 1997 |
| Halldavehall Limited | Transport & logistics | 2025 |
| Halliday Projects Ltd | Construction | 2010 |
| Hallmark Property & Maintenance Services Ltd | Construction | 2024 |
| Hallminster Ltd | Real estate | 2013 |
| Hallowes Mortgages Ltd | Financial services | 2016 |
| Hallowes Properties Ltd | Real estate | 2021 |
| Hallsworth Stat Consulting Ltd | Administrative & support | 2018 |
| Hallubarica Limited | Wholesale & retail | 2026 |
| Hallwood Rise Management Company Limited | Other services | 2006 |
| Halos Pizza Ltd | Hospitality | 2025 |
| Halsolar Ltd | Construction | 2020 |
| Hama Korean Ltd | Hospitality | 2023 |
| Hama's Pizza 05 Ltd | Hospitality | 2025 |
| Hamap Ltd | Wholesale & retail | 2019 |
| Hamba Kids Ltd | Health & social care | 2025 |
| Hambs Limited | Health & social care | 2019 |
| Hamdane Properties UK Ltd | Real estate | 2026 |
| Hamed Properties Ltd | Professional & scientific | 2013 |
| Hamfar Health Care Ltd | Health & social care | 2023 |
| Hamid's Chickanoz Limited | Hospitality | 2018 |
| Hamidi Limited | Administrative & support | 2019 |
| Hamilton Barber Recruitment Ltd | Administrative & support | 2025 |
| Hamilton Communications Limited | Professional & scientific | 2019 |
| Hamilton Luna Homes Ltd | Real estate | 2025 |
| Hamilton MAY Ltd | Professional & scientific | 2018 |
| Hamilton Roofing Solutions Ltd | Construction | 2024 |
| Hamilton Springs Health Care Limited | Health & social care | 2023 |
| Hammanton Group Ltd | Wholesale & retail | 2024 |
| Hammerhead Holdings Limited | Real estate | 2007 |
| Hammersmith Board Games Ltd | Manufacturing | 2023 |
| Hammerton Properties (UK) Ltd | Construction | 2013 |
| Hamnett Wealth Holdings Limited | Financial services | 2020 |
| Hamnett Wealth Management Limited | Financial services | 2006 |
| Hampshire Flat Roofing Ltd | Construction | 2018 |
| Hampshire Homes Yorkshire Ltd | Real estate | 2024 |
| Hampshire Plastics Limited | Manufacturing | 2012 |
| Hampton & Vouis Limited | Wholesale & retail | 2018 |
| Hampton & Vouis NQ Ltd | Hospitality | 2023 |
| Hampton Care Group UK Ltd | Health & social care | 2024 |
| Hampton Elite Hire Limited | Administrative & support | 2016 |
| Hampton Hearing Ltd | Health & social care | 2025 |
| Hampton Orthopaedics Limited | Health & social care | 2024 |
| Hamsard 3537 Limited | Extraterritorial | 2019 |
| Hamstanley Property Ltd | Real estate | 2020 |
| Hamza Auto Parts Ltd | Professional & scientific | 2025 |
| Hamza Auto Salvage Limited | Wholesale & retail | 2024 |
| Hamza Sheff Ltd | Health & social care | 2015 |
| HAN Investments Ltd | Hospitality | 2014 |
| Hana Al-Hamad Ltd | Construction | 2022 |
| Hana Inc Limited | Hospitality | 2021 |
| Hanad's House C.I.C. | Health & social care | 2023 |
| Hancock and Read Limited | Construction | 1992 |
| Handale Group Limited | Wholesale & retail | 2019 |
| Handaran Limited | Wholesale & retail | 2023 |
| HANDI71 Ltd | Hospitality | 2019 |
| Handle Security Services Ltd | Administrative & support | 2024 |
| Handley Equestrian Limited | Agriculture & fishing | 2010 |
| Handley Park Catering Ltd | Manufacturing | 2021 |
| Handley Park Developments Ltd | Real estate | 2020 |
| Handley Property Management Ltd | Real estate | 2024 |
| Handmade Scissors Ltd | Manufacturing | 2018 |
| Handpicked Automotive Sourcing & Consulting Ltd | Wholesale & retail | 2026 |
| Hands of Stars Limited | Education | 2024 |
| Hands on Health Studio Limited | Arts & recreation | 2016 |
| Hands on Payroll Giving Limited | Administrative & support | 2014 |
| Handspring Design Ltd | Manufacturing | 2006 |
| Handsworth Chippy Ltd | Hospitality | 2026 |
| Handsworth Cosmetic Clinic Ltd. | Health & social care | 2015 |
| Handsworth Express Ltd | Hospitality | 2024 |
| Handsworth FC Ltd | Arts & recreation | 2015 |
| Handsworth Food Ltd | Hospitality | 2025 |
| Handsworth Grill Limited | Hospitality | 2021 |
| Handsworth Grill SY Ltd | Hospitality | 2024 |
| Handsworth Grillhouse Ltd | Hospitality | 2025 |
| Handsworth Iron Works Limited | Manufacturing | 2024 |
| Handsworth Jewel City Limited | Hospitality | 2026 |
| Handsworth Junior Sporting Club Limited | Arts & recreation | 2002 |
| Handsworth Mechanical Installations Limited | Construction | 2014 |
| Handsworth Road Pizza Ltd | Hospitality | 2026 |
| Handsworth Valeting Services Limited | Administrative & support | 2022 |
| Handy Iron (Ironing Services) Limited | Other services | 2011 |
| Hang Sing Hong Ltd | Wholesale & retail | 2019 |
| Hangair Global Ltd | Manufacturing | 2018 |
| Hangair IP Ltd | Administrative & support | 2025 |
| Hangair Trading Ltd | Wholesale & retail | 2025 |
| Hangingwater Flats Company Limited | Households | 1982 |
| Hangr S3 Limited | Hospitality | 2025 |
| Hanhan Global Ltd | Wholesale & retail | 2025 |
| Hanhan House Ltd | Wholesale & retail | 2025 |
| Hanhan Media Ltd | Professional & scientific | 2025 |
| Hanisha Chadha Limited | Health & social care | 2022 |
| Hanley Digital Limited | Information & communication | 2013 |
| Hanli Motors Limited | Wholesale & retail | 2020 |
| Hanna Baxter Fitness Limited | Health & social care | 2022 |