| Hcma Limited | Health & social care | 2024 |
| HCP Global Ltd | Wholesale & retail | 2025 |
| HCP Hypo Credit & Properties Ltd | Professional & scientific | 2013 |
| HCP Manchester Limited | Information & communication | 2020 |
| Hcps Rentals Limited | Real estate | 2021 |
| HCQ Management Ltd | Professional & scientific | 2016 |
| HCS Home Care Solutions Ltd | Extraterritorial | 2023 |
| HCT Training and Consultancy Ltd | Education | 2019 |
| HCW Recovery Limited | Public administration | 2026 |
| HD Books Limited | Professional & scientific | 2025 |
| HD Business Manager Limited | Administrative & support | 2024 |
| HD Cladding Services Ltd | Construction | 2022 |
| HD Dream Property Limited | Real estate | 2013 |
| HD Electrics Ltd | Construction | 2025 |
| HD Exterior Solutions Limited | Administrative & support | 2025 |
| HD EYE Care Ltd | Health & social care | 2023 |
| HD Granite and Quartz Ltd | Manufacturing | 2019 |
| HD Group Global Limited | Other services | 2016 |
| HD Inc Ltd | Other services | 2025 |
| HD Intelligence Ltd | Professional & scientific | 2025 |
| HD Law Limited | Professional & scientific | 2014 |
| HD London Art Ltd | Professional & scientific | 2021 |
| HD Luxe Linen Ltd | Other services | 2024 |
| HD Northwest Limited | Professional & scientific | 2018 |
| HD Norwich Ltd | Other services | 2023 |
| HD Rental Properties Ltd | Real estate | 2020 |
| HD Servicing Ltd | Professional & scientific | 2025 |
| HD TEC Ltd | Wholesale & retail | 2014 |
| HD20 Limited | Hospitality | 2023 |
| HD7 Homes Limited | Construction | 2024 |
| HDC Legal Limited | Information & communication | 2019 |
| Hdclub Ltd | Hospitality | 2024 |
| Hdeg Group Limited | Other services | 2025 |
| HDG Business Group Limited | Financial services | 2024 |
| HDG Drinks Limited | Manufacturing | 2025 |
| HDG Financial Services Ltd | Administrative & support | 2014 |
| HDG People Limited | Administrative & support | 2024 |
| HDG Trading Limited | Professional & scientific | 2022 |
| Hdgu Limited | Wholesale & retail | 2023 |
| Hdhoco Limited | Financial services | 2019 |
| Hdhp Limited | Wholesale & retail | 2024 |
| HDI Asset Management Limited | Real estate | 2025 |
| Hdieuop Limited | Wholesale & retail | 2026 |
| Hdim.Comp Limited | Construction | 2019 |
| Hdmi LAB Limited | Professional & scientific | 2021 |
| HDO Ltd | Professional & scientific | 2022 |
| HDR Automotive Ltd | Wholesale & retail | 2020 |
| HDS NW Ltd | Education | 2020 |
| Hdsurvey Experts Ltd | Real estate | 2008 |
| HDT Khan Ltd | Wholesale & retail | 2025 |
| Hdv-Consulting Ltd. | Administrative & support | 2017 |
| Hdvh Ltd | Health & social care | 2023 |
| HE Express Ltd | Hospitality | 2017 |
| HE Medical Ltd | Health & social care | 2022 |
| HE Sealants Ltd | Construction | 2006 |
| He's Travel Ltd | Administrative & support | 2017 |
| Head 2 Toes MCR Ltd | Wholesale & retail | 2026 |
| Head Candy Vape Store Ltd | Wholesale & retail | 2025 |
| Head II Ltd | Information & communication | 2020 |
| Head Office Barbers Atherton Ltd | Other services | 2024 |
| Head Start Nursery (NW) Limited | Education | 2022 |
| Head Start Washway Road Limited | Education | 2024 |
| Head Turners North West Rally Limited | Administrative & support | 2024 |
| Headabovewater Limited | Extraterritorial | 2025 |
| Headalicious Ltd | Other services | 2025 |
| Headicure Spa Ltd | Other services | 2018 |
| Headies Cleaning Services Ltd | Administrative & support | 2025 |
| Headies Skincare Ltd | Manufacturing | 2026 |
| Headland 3 Limited | Real estate | 2023 |
| Headlands Manor Care Home Limited | Health & social care | 2025 |
| Headless Ltd | Professional & scientific | 2019 |
| Headley and Headley Limited | Financial services | 2021 |
| Headleys Transport Limited | Wholesale & retail | 1998 |
| Headline Pictures (Call My Agent) Limited | Information & communication | 2020 |
| Headline Pictures (Invisible Woman) Limited | Information & communication | 2011 |
| Headline Pictures (KIN) Limited | Information & communication | 2012 |
| Headline Pictures (PAN in Scarlet) Limited | Information & communication | 2008 |
| Headline Pictures (Peter PAN) Limited | Information & communication | 2014 |
| Headline Pictures (Quartet) Limited | Information & communication | 2008 |
| Headline Pictures Limited | Information & communication | 1995 |
| Headlogic Solutions Limited | Information & communication | 2009 |
| Headmaster Guru Limited | Other services | 2017 |
| Headmaster Hairdressing Limited | Other services | 2003 |
| Headnod Talent Agency Limited | Arts & recreation | 2014 |
| Heads Creative Limited | Professional & scientific | 2024 |
| Heads UP Crew C.I.C. | Construction | 2025 |
| Headspace Designs Limited | Information & communication | 2013 |
| Headstart Hair and Academy LLP | | 2015 |
| Headway Salford & District Limited | Health & social care | 2005 |
| Headwear (UK) Ltd | Professional & scientific | 1999 |
| Headzup Solutions CIC | Health & social care | 2022 |
| Heal Yourself Ltd | Administrative & support | 2023 |
| Heald Green Garage Limited | Wholesale & retail | 2001 |
| Heald Green Pharma Limited | Health & social care | 2014 |
| Heald Holdings Ltd | Financial services | 2025 |
| Healing and Training Lounge Ltd | Health & social care | 2026 |
| Healing Care Ltd | Health & social care | 2023 |
| Healing Futures Limited | Health & social care | 2025 |
| Healing Hands Care Limited | Health & social care | 2016 |
| Healing Hands Care Solutions Limited | Health & social care | 2023 |