| Halson Property Ltd | Administrative & support | 2017 |
| Halstead Consulting Ltd | Professional & scientific | 2024 |
| Halya Xaxa Ltd | Transport & logistics | 2026 |
| Hamad & Butt Properties Limited | Real estate | 2025 |
| Hamidkhan Ltd | Wholesale & retail | 2026 |
| Hamilton Cooper & Associates Ltd | Construction | 2024 |
| Hamilton Mitchell Limited | Wholesale & retail | 2010 |
| Hamilton Place (Birkenhead) Management Ltd | Households | 2022 |
| Hamilton Precision Engineering Ltd | Professional & scientific | 2017 |
| Hamilton Street Developments Limited | Construction | 2024 |
| Hammad Majid Limited | Transport & logistics | 2025 |
| Hammer Piling Ltd | Construction | 2021 |
| Hampshire & Gray Ltd | Real estate | 2025 |
| Hand Painted Backdrops Ltd | Construction | 2022 |
| Handjoy Limited | Administrative & support | 2011 |
| Hands to Communicate CIC | Education | 2017 |
| Hands Together UK Ltd | Health & social care | 2021 |
| Handshake Limited | Administrative & support | 1981 |
| Handywomansarah Ltd | Construction | 2026 |
| Hanging Chaddar Ltd | Real estate | 2024 |
| Haniya Abaan Online Limited | Wholesale & retail | 2025 |
| Hannan Electrical Limited | Construction | 2007 |
| Hansa-Bb Limited | Professional & scientific | 2025 |
| Hanson Property & LET Ltd | Real estate | 2024 |
| Hanson Staircase Design Ltd | Professional & scientific | 2020 |
| Hantiques Ltd | Wholesale & retail | 2024 |
| Hanumant Enterprise Limited | Wholesale & retail | 2024 |
| Hanwell Holland Properties (UK) Limited | Real estate | 2017 |
| Hapi International Limited | Hospitality | 2024 |
| Hapistax Ltd | Information & communication | 2025 |
| Happie Homes Services Ltd | Construction | 2023 |
| Happiness Angel Ltd | Hospitality | 2021 |
| Happy Club Limited | Health & social care | 2002 |
| Happy House Oldham Limited | Hospitality | 2022 |
| Happy Tails Grooming by Ella Ltd | Other services | 2023 |
| Happy Tots Day Nursery Limited | Education | 2013 |
| Happyecocleaning Joselyn U.K. Limited | Wholesale & retail | 2026 |
| Harbour Lane Mill Company Limited(The) | Professional & scientific | 1924 |
| Harcourt Health Limited | Wholesale & retail | 2013 |
| Hardcastle Investments Limited | Real estate | 1997 |
| Harding Illustration & Design Limited | Administrative & support | 2001 |
| Hardkeel Limited | Construction | 1996 |
| Hardko Ltd | Wholesale & retail | 2016 |
| Hardman Street 1973 Limited | Extraterritorial | 2015 |
| Hardshelfco 2025 Limited | Financial services | 2025 |
| Hardwick ANP Locum Services Limited | Health & social care | 2013 |
| Hardwire Developments Limited | Real estate | 2004 |
| Hardy & Co Properties Ltd | Real estate | 2022 |
| Hare and Hounds Millbrook Ltd | Hospitality | 2025 |
| Harewood Dental LAB Limited | Health & social care | 2017 |
| Harewood Limited | Households | 1998 |
| Hargrave Medical Ltd | Health & social care | 2023 |
| Haris Shop Ltd | Wholesale & retail | 2026 |
| Harjack Limited | Real estate | 2026 |
| HARMANDIR13 Ltd | Transport & logistics | 2025 |
| Harmonetix Limited | Information & communication | 2023 |
| Harmony Housing and Care Ltd | Health & social care | 2023 |
| Harmony Trading Services Limited | Administrative & support | 2018 |
| Haroon Trading UK Ltd | Wholesale & retail | 2025 |
| Haroth Housing Limited | Real estate | 2016 |
| Harper & Quinn Limited | Other services | 2005 |
| Harper Learning Ltd | Education | 2024 |
| Harpers ( Staxton ) Limited | Hospitality | 2009 |
| Harpo's Pizza Limited | Hospitality | 1992 |
| Harpos Pizza (Headingley) Ltd | Hospitality | 2018 |
| Harratt & Co. Accountancy Limited | Professional & scientific | 2024 |
| Harris's Indoor Market Limited | Wholesale & retail | 2022 |
| Harrison Brothers (Furniture) Limited | Manufacturing | 2022 |
| Harrison Brothers (Group) Limited | Financial services | 2024 |
| Harrison Brothers (Products) Limited | Manufacturing | 2026 |
| Harrison Dental Limited | Health & social care | 2015 |
| Harrison Dental Tadley Limited | Health & social care | 2020 |
| Harrison Estates Prestwich Ltd | Real estate | 2021 |
| Harrison's Worsley Limited | Hospitality | 2015 |
| Harrott's Decorating Services Limited | Construction | 2018 |
| Harrow Property Holdings Limited | Construction | 2020 |
| Hartfords Soft Furnishings Ltd | Manufacturing | 2019 |
| Hartle Garden Centre Holdings Limited | Financial services | 2020 |
| Hartley Botanic Limited | Manufacturing | 1995 |
| Hartley Investment Holdings Ltd | Financial services | 2021 |
| Hartshead Care Limited | Health & social care | 2025 |
| Hartshead Holdings Trustee Limited | Financial services | 2025 |
| Harvey's House Limited | Professional & scientific | 2020 |
| Hasali Consulting Ltd | Professional & scientific | 2026 |
| Hasco Group International Ltd | Wholesale & retail | 2021 |
| Hashim Couture Ltd | Wholesale & retail | 2026 |
| Hashmi Associates Limited | Health & social care | 2018 |
| Hashtag Burgers Ltd | Hospitality | 2024 |
| Hashtag Digital Marketing Ltd | Professional & scientific | 2023 |
| Haslam & Noble Ltd | Construction | 2020 |
| Haslam and Noble Showroom Ltd | Wholesale & retail | 2026 |
| Hassan Builders (NW) Ltd | Construction | 2023 |
| Hassle Free Lawns Ltd | Construction | 2014 |
| Hastings Retreat Ltd | Hospitality | 2024 |
| HAT Failsworth Limited | Hospitality | 2025 |
| HAT Traders Limited | Wholesale & retail | 2025 |
| Hathershaw Minimarket (Oldham) Limited | Wholesale & retail | 2023 |
| Hathershaw Opticians Limited | Health & social care | 2013 |
| Hathershaw PO Ltd | Transport & logistics | 2026 |
| Hauach UK Ltd | Wholesale & retail | 2026 |