| Harewood Arms Ltd | Administrative & support | 2013 |
| Harewood Lodge Management Company Limited | Households | 1998 |
| Harlow Development Manchester Ltd | Real estate | 2022 |
| Harlow Group Holdings Ltd | Financial services | 2026 |
| Harlow Investments Manchester Ltd | Financial services | 2026 |
| Harmill Property Management Limited | Real estate | 2024 |
| Harmony Catering Creations Limited | Hospitality | 2017 |
| Harrison Process Solutions Limited | Professional & scientific | 2018 |
| Harry's Lawn Care Limited | Administrative & support | 2019 |
| Harrybuc Friends and Family Empowerment Group | Wholesale & retail | 2020 |
| Harrybuc Global Services Limited | Wholesale & retail | 2021 |
| Hartshead Holdings Limited | Financial services | 2018 |
| Harvest Healthy Limited | Wholesale & retail | 2025 |
| Harwood Heating Services Limited | Construction | 2006 |
| Hatters Travel Limited | Administrative & support | 2026 |
| Hattersley Community Big Garden Project C.I.C. | Hospitality | 2019 |
| Hatton Academy Limited | Arts & recreation | 2012 |
| Hatton Boxing & Education Ltd | Education | 2025 |
| Hatton Boxing Limited | Wholesale & retail | 2018 |
| Hatton Health & Fitness Limited | Arts & recreation | 2008 |
| Hatton Promotions Limited | Arts & recreation | 2008 |
| Hatton TV Ltd | Information & communication | 2009 |
| Haughton Construction Ltd | Construction | 2026 |
| Haven for Heathens Ltd | Arts & recreation | 2018 |
| Hawcon Ltd | Professional & scientific | 2017 |
| Hawkins Real Estate Limited | Real estate | 2023 |
| Hay's Electrical Services Ltd | Construction | 2007 |
| Hayek Trading Company Limited | Construction | 2015 |
| HBM Installations Ltd | Extraterritorial | 2017 |
| HC Property NW Limited | Real estate | 2017 |
| HD Commerce Ltd | Wholesale & retail | 2026 |
| HDB Property Limited | Households | 2016 |
| Headingley Montessori Nursery Limited | Health & social care | 2023 |
| Headmistress Beauty Parlour Limited | Health & social care | 2015 |
| Health IS Wealth Tameside CIC | Education | 2026 |
| Healthy Hyde PCN Limited | Health & social care | 2023 |
| Healthy Minds Wellbeing Centre Ltd | Health & social care | 2025 |
| Heated Homes NW Limited | Construction | 2021 |
| Heather LEA (Services) Limited | Households | 1980 |
| Heavenly Diner Ltd | Hospitality | 2024 |
| Hebe Aesthetics Ltd | Other services | 2023 |
| HELP4CHILDREN | Water & waste | 2017 |
| Henmort Housing Limited | Real estate | 2022 |
| Henshall Consultancy Ltd | Professional & scientific | 2023 |
| Henshall Property Investments Ltd | Real estate | 2024 |
| Herbal Hakeem Ltd | Manufacturing | 2014 |
| Herbie's Homes Ltd | Extraterritorial | 2021 |
| Heritage Aluminium Systems Limited | Manufacturing | 2022 |
| Heritage Manufacturing Group Limited | Manufacturing | 2024 |
| Hexangulo Worldwide Advertising Ltd | Professional & scientific | 2016 |
| Hicroft Financial Services Ltd | Financial services | 2026 |
| Highhandsnetworks Ltd | Information & communication | 2026 |
| Highly Developed Ltd | Information & communication | 2014 |
| Hillburn Drains and Mains Ltd | Construction | 2015 |
| Hillo Software Ltd | Information & communication | 2015 |
| Hilton’S Bakehouse Ltd | Manufacturing | 2025 |
| Himsland Properties Limited | Real estate | 2023 |
| Himtop Technology (UK) Co., Limited | Manufacturing | 2020 |
| HIS (Helping in Spirit) Ltd | Health & social care | 2026 |
| HJ Holdings (Liverpool) Limited | Financial services | 2016 |
| HM Promotions (NW) Ltd | Real estate | 2017 |
| HMA Promo Management Ltd | Wholesale & retail | 2013 |
| HMM Stockport & SON Limited | Transport & logistics | 2023 |
| HMT Desserts Ltd | Wholesale & retail | 2025 |
| Hollingworth Bakery Ltd | Wholesale & retail | 2006 |
| Hollingworth Food Spot Ltd | Hospitality | 2025 |
| Hollins Clough Management Company Limited | Professional & scientific | 2006 |
| Hollows Court Management Company Limited | Other services | 2005 |
| Hollybank Properties Ltd | Real estate | 2014 |
| Home Farm Collaborative Ltd | Hospitality | 2023 |
| Home Heating and Plumbing Services NW Ltd | Construction | 2022 |
| HOMES2ROOST Building & Maintenance Limited | Construction | 2025 |
| HOMES2ROOST Limited | Real estate | 2017 |
| Hometech Services Limited | Other services | 2018 |
| Hometrader (North East) Limited | Real estate | 2001 |
| Homewood Specialist Access Ltd | Other services | 2018 |
| Horizon Learning Limited | Education | 2025 |
| Horses Choice Ltd | Manufacturing | 2024 |
| Hot Buns Ltd | Hospitality | 2025 |
| Hot Food Kitchens Ltd | Wholesale & retail | 2009 |
| Hot Kettle Club Ltd | Wholesale & retail | 2025 |
| House of Fashion Associates Ltd | Administrative & support | 2017 |
| House of Finesse (Altrincham) Limited | Other services | 2021 |
| House of Finesse (Cheshire) Limited | Other services | 2025 |
| House of Finesse (Manchester) Limited | Other services | 2019 |
| House of Finesse Ltd | Other services | 2014 |
| HPE Investments Limited | Real estate | 2020 |
| HPT Executive Chauffeurs Ltd | Transport & logistics | 2025 |
| HRV Drone Services Limited | Information & communication | 2022 |
| Htlh Ltd | Professional & scientific | 2021 |
| HTLH2 Ltd | Professional & scientific | 2021 |
| HTN Asset Management Ltd | Professional & scientific | 2025 |
| HUA Heng Limited | Hospitality | 2021 |
| Huajian Plastic and Metals Co., Ltd | Wholesale & retail | 2023 |
| Hudson's Locksmiths Ltd | Other services | 2024 |
| Huge Holiday Homes Limited | Hospitality | 2015 |
| Hughes Properties North West Ltd | Real estate | 2023 |
| Hugworld Cristalinas UK Limited | Wholesale & retail | 2015 |
| Humea Limited | Administrative & support | 2024 |
| Humea Plus Limited | Administrative & support | 2025 |