| Haldi Spice Limited | Hospitality | 2020 |
| Hale Housing Group Ltd | Real estate | 2025 |
| Hales Storage and Distribution Limited | Transport & logistics | 2016 |
| Hales Transport Limited | Wholesale & retail | 2016 |
| Half and Half Mixes Food Ltd | Hospitality | 2026 |
| Half the Story LLP | | 2023 |
| Half Way Tree Properties Ltd | Manufacturing | 2024 |
| Halffull DOT BIZ Limited | Administrative & support | 2012 |
| Halfway Bridge Ltd | Administrative & support | 2022 |
| Halfway Tree Limited | Administrative & support | 2015 |
| Halgram Limited | Real estate | 1996 |
| Halifax V.E. Limited | Other services | 1998 |
| Halima Khan Holdings Ltd | Real estate | 2026 |
| Halina Care Group Limited | Health & social care | 2021 |
| Hall & Ohms Ltd | Arts & recreation | 2020 |
| Hall Charlesworth Limited | Construction | 2020 |
| Hall Electricians Limited | Construction | 2011 |
| Hall Family Property Limited | Real estate | 2026 |
| Hall Holding Group Limited | Financial services | 2024 |
| Hallam & Co Building Services Ltd | Construction | 2014 |
| Hallam (EOT) Limited | Financial services | 2025 |
| Hallam Housing Limited | Real estate | 2016 |
| Hallam Interiors (East Midlands) Limited | Construction | 2018 |
| Hallam Internet Limited | Information & communication | 2000 |
| Hallam Plumbing & GAS Limited | Construction | 2009 |
| Hallam Wealth Limited | Financial services | 2022 |
| Hallams Homes Limited | Real estate | 2026 |
| Hallco Industries Limited | Wholesale & retail | 2018 |
| Halldale Management Company Limited | Households | 2023 |
| Hallk Limited | Wholesale & retail | 2025 |
| Hallmark Cars Nottingham Limited | Wholesale & retail | 2025 |
| Hallmark Supplies Limited | Administrative & support | 2000 |
| Hallmark Tapes Limited | Wholesale & retail | 1975 |
| Hallmarque Land Developments Limited | Construction | 2025 |
| Halls & Co Home Company Ltd | Construction | 2022 |
| Hallscap Holdings Limited | Financial services | 2022 |
| Hallsgrove Construction and Development Limited | Construction | 2023 |
| Hallsgrove Construction Limited | Construction | 2019 |
| Hallsgrove Homes Limited | Real estate | 2019 |
| Hally Construction Services Limited | Construction | 2015 |
| Hally Homes Ltd | Real estate | 2017 |
| Halo 4 Safety Ltd | Manufacturing | 2019 |
| Halo Barber Supplies Ltd | Wholesale & retail | 2024 |
| Halo Caps Ltd | Wholesale & retail | 2020 |
| Halo Hair and Beauty Hucknall Ltd | Other services | 2026 |
| Halo K9 Security Limited | Administrative & support | 2024 |
| Halo Properties (Nottingham) Ltd | Real estate | 2021 |
| Halo Traffic Group Ltd | Manufacturing | 2026 |
| Halo Traffic Systems Ltd | Manufacturing | 2025 |
| Halo X RAY Technologies Limited | Manufacturing | 2012 |
| Halogen Consultancy Services Limited | Other services | 2017 |
| Halos Cocktails Limited | Manufacturing | 2025 |
| Halsbury Travel Limited | Administrative & support | 1986 |
| Halt Salon Limited | Other services | 2024 |
| Halton Engineering (Northern) Limited | Administrative & support | 1995 |
| Halwell Ltd | Administrative & support | 2022 |
| Halyna & Co Ltd | Construction | 2025 |
| Hamara Design & Engineering Ltd | Professional & scientific | 2025 |
| Hambleton Finance Limited | Financial services | 2017 |
| Hamdtel Ltd | Information & communication | 2011 |
| Hamed Lettings Ltd | Administrative & support | 2013 |
| Hamilton & Partners Properties Ltd | Real estate | 2025 |
| Hamilton & Sheppard Housing Ltd | Real estate | 2025 |
| Hamilton Civils Solutions Ltd | Construction | 2025 |
| Hamilton Court (Nottingham) Limited | Households | 1989 |
| Hamilton Knight Development Co. Limited | Construction | 1977 |
| Hamlet 82 Limited | Financial services | 2023 |
| Hammad Azhar Ltd | Wholesale & retail | 2026 |
| Hammertons Funeral Services Holdings Limited | Extraterritorial | 2020 |
| Hammond Food Oils Limited | Wholesale & retail | 2009 |
| Hammond Produce Limited | Agriculture & fishing | 1999 |
| Hammond Property Services Limited | Real estate | 2012 |
| Hammonds Coaches Limited | Transport & logistics | 2005 |
| Hammonds Holidays Ltd | Administrative & support | 2012 |
| Hampson Coaching Ltd | Professional & scientific | 2018 |
| Hampsons Holdings Limited | Financial services | 2018 |
| Hampton Trove Management Company Limited | Households | 2021 |
| Hamptons Classics Limited | Hospitality | 2009 |
| Hamro Housing Ltd | Real estate | 2022 |
| Hamsa IT Services Limited | Information & communication | 2009 |
| Hamsard 3712 Limited | Financial services | 2023 |
| Hamsard 3713 Limited | Financial services | 2023 |
| Hamsard 3714 Limited | Financial services | 2023 |
| Hamsaul Limited | Construction | 2013 |
| Hamxah Ecom Ltd | Wholesale & retail | 2025 |
| HAN MET Ltd | Agriculture & fishing | 2014 |
| HAN Oliv VA Limited | Administrative & support | 2025 |
| Hana's Food Limited | Hospitality | 2024 |
| Hanah Sfar-Gandoura Clinical Consultancy Limited | Professional & scientific | 2026 |
| Hanam Services Limited | Real estate | 2024 |
| Hanasa Ltd | Transport & logistics | 2023 |
| Hancock Investments Limited | Professional & scientific | 2019 |
| Hancock Properties (Nottingham) Limited | Real estate | 2022 |
| Hancol Holdings Ltd | Real estate | 2020 |
| Hancox IT Solutions Limited | Information & communication | 2017 |
| Hand in Heart CIC | Hospitality | 2015 |
| Hand Made Food Ltd | Hospitality | 2019 |
| Hand to EYE Communication Limited | Other services | 2008 |
| Handa Fine Chemicals Limited | Wholesale & retail | 2002 |
| Handbury Farming Limited | Construction | 2020 |