| Halle Concerts Society | Arts & recreation | 1899 |
| Halle Investments Limited | Real estate | 2024 |
| Halle Promotions Limited | Arts & recreation | 1991 |
| Hallett Retail Services Limited | Wholesale & retail | 1999 |
| Halliday Foord Limited | Professional & scientific | 2014 |
| Halliday Foord Management & Consultancy Services Limited | Administrative & support | 2014 |
| Halliday Meecham Architects Limited | Professional & scientific | 1987 |
| Halliday Meecham Group Holdings Limited | Financial services | 2018 |
| Halliday Meecham Holdings Limited | Financial services | 2004 |
| Halliwell (UK) Limited | Construction | 2007 |
| Halliwell Bishop Limited | Professional & scientific | 2019 |
| Halliwell Care Holding Limited | Financial services | 2022 |
| Halliwell Estate Limited | Real estate | 2018 |
| Halliwell Homes EOT Limited | Professional & scientific | 2022 |
| Halliwell News Ltd | Wholesale & retail | 2016 |
| Halliwell Property Services Ltd | Real estate | 2025 |
| Halliwell Traders Ltd | Wholesale & retail | 2026 |
| Halliwells Deansgate Limited Partnership | | 2005 |
| Halliwells Nominees Limited | Administrative & support | 1983 |
| Hallmark Manufacturing Limited | Manufacturing | 2022 |
| Hallmark North West Limited | Construction | 2003 |
| Hallmark Property Services (NW) Limited | Wholesale & retail | 2022 |
| Hallmark Real Estate Group Ltd | Real estate | 2014 |
| Hallmarq Limited | Other services | 2021 |
| Hallows Properties Limited | Real estate | 2020 |
| Hallpro Ltd | Real estate | 2017 |
| Halls Furnishings Group Limited | Wholesale & retail | 2021 |
| Halls Furnishings Ltd | Wholesale & retail | 2004 |
| Halls Properties Ltd | Real estate | 2008 |
| Hallshaw Glass Ltd | Construction | 2002 |
| Hallsports Limited | Arts & recreation | 1986 |
| Hallwood Group Limited | Real estate | 2024 |
| Hallworth Enterprises Ltd | Professional & scientific | 2025 |
| Hally Floors Ltd | Construction | 2026 |
| Halo Content Studios Ltd | Information & communication | 2026 |
| Halo Enterprises Ltd | Transport & logistics | 2021 |
| Halo Hair Angels Ltd | Wholesale & retail | 2021 |
| Halo Hairdressing and Beauty (M22) Ltd | Other services | 2022 |
| Halo Insurance Services Limited | Financial services | 2009 |
| Halo Kumpir Limited | Hospitality | 2024 |
| Halo Nannying & Recruiting Ltd | Other services | 2025 |
| Halo Networks Limited | Professional & scientific | 2014 |
| Halo Nutrition Ltd | Hospitality | 2024 |
| Halo Property INV Group Limited | Real estate | 2024 |
| Halo Software Solutions UK Ltd | Information & communication | 2025 |
| Halo Sound Systems Ltd | Professional & scientific | 2021 |
| Halo Traders Ltd | Wholesale & retail | 2023 |
| Halocho Workshop Ltd | Education | 2019 |
| Halomedicals Systems Ltd | Wholesale & retail | 2021 |
| Halomer Ltd | Wholesale & retail | 2026 |
| Halovision Ltd | Information & communication | 2026 |
| Halovivic Ltd | Wholesale & retail | 2026 |
| Halsnead Land Limited | Real estate | 2025 |
| Halson Limited | Hospitality | 2025 |
| Halson Online Ltd | Wholesale & retail | 2023 |
| Halsons Motor Spares Ltd | Wholesale & retail | 2015 |
| Halstead Flooring International Limited | Professional & scientific | 1993 |
| Halter Inn Developments Limited | Construction | 2025 |
| Halter Shipping Ltd | Wholesale & retail | 2021 |
| Halton & Robson Property Group Limited | Real estate | 2026 |
| Halvexis for Services Limited | Extraterritorial | 2026 |
| Halwai M1 Ltd | Hospitality | 2023 |
| Halwins Limited | Professional & scientific | 1974 |
| HAM International UK Limited | Wholesale & retail | 2016 |
| HAM Naviam Ltd | Wholesale & retail | 2025 |
| Hamad & Sons Limited | Wholesale & retail | 2024 |
| Hamad Textile Limited | Manufacturing | 2024 |
| Hamadeks Ltd | Wholesale & retail | 2024 |
| Hamadtalla Investment Limited | Wholesale & retail | 2025 |
| Hamalil Trading Company Ltd | Wholesale & retail | 2025 |
| HAMALU-4-WELLE Ltd | Extraterritorial | 2023 |
| Hamam MCR Ltd | Other services | 2020 |
| Hamam-Jancauskaite Ltd | Health & social care | 2026 |
| Hamamish Ltd | Real estate | 2022 |
| Hamani Healthcare Limited | Health & social care | 2011 |
| Hamashe House Ltd | Other services | 2014 |
| Hamat Samhan Modern Trading Company Ltd | Wholesale & retail | 2025 |
| Hamatech Global Limited | Information & communication | 2025 |
| Hamburger Estates Limited | Real estate | 2019 |
| Hamclap Ltd | Real estate | 2022 |
| Hamcorp Ltd | Health & social care | 2017 |
| Hamdan Fabrics Limited | Wholesale & retail | 2025 |
| Hamdani Trading Limited | Wholesale & retail | 2025 |
| Hamed Pharma Ltd | Wholesale & retail | 2021 |
| Hameed Barbers Ltd | Other services | 2018 |
| Hameed Ltd | Administrative & support | 2021 |
| Hameem Alsharaq for Modern Business Trading Co Ltd | Wholesale & retail | 2025 |
| Hameenaliya Ltd | Other services | 2021 |
| Hamer and Sons Ltd | Manufacturing | 2022 |
| Hamer Holdings Limited | Real estate | 2015 |
| Hamer Tamworth Limited | Transport & logistics | 1994 |
| Hamgsters Ltd | Wholesale & retail | 2025 |
| Hami Melon Ltd | Wholesale & retail | 2024 |
| Hamid Sons Limited | Wholesale & retail | 2026 |
| Hamidiye Foods Distribution Ltd | Wholesale & retail | 2024 |
| Hamidiye Foods Ltd | Wholesale & retail | 2023 |
| Hamilton & Hall Ltd | Extraterritorial | 2023 |
| Hamilton & Palmer Limited | Real estate | 2005 |
| Hamilton (Fabrications) Limited | Manufacturing | 1964 |
| Hamilton Adhesive Labels Limited | Manufacturing | 1992 |