| Helen P Palle Limited | Health & social care | 2022 |
| Helen Studios Ltd | Professional & scientific | 2022 |
| Helena Amos OT Ltd | Health & social care | 2022 |
| Helena Estates Properties Ltd | Real estate | 2018 |
| Helenigb Limited | Health & social care | 2025 |
| Heli-Well Aviation Services Limited | Extraterritorial | 2021 |
| Heliofidem UK Ltd | Energy | 2021 |
| Helion Power Studio Ltd | Wholesale & retail | 2015 |
| Helion Solutions Ltd | Information & communication | 2021 |
| Helionr Limited | Information & communication | 2025 |
| Helios Fire Systems Ltd | Wholesale & retail | 2019 |
| Heliotrope Solutions Limited | Information & communication | 2016 |
| Helispeed Academy Ltd | Other services | 2019 |
| Helispeed Holdings Limited | Financial services | 2017 |
| Helispeed Solutions Ltd | Transport & logistics | 2009 |
| Helito Services Limited | Wholesale & retail | 2025 |
| Helium Balloons Iacob Ltd | Construction | 2026 |
| Helium Technologies Limited | Education | 2002 |
| Helix 3D Limited | Arts & recreation | 1999 |
| Helix Accountants Limited | Professional & scientific | 2023 |
| Helix Aeterna Ltd | Manufacturing | 2026 |
| Helix Core Maintenance Services Ltd | Extraterritorial | 2026 |
| Helix Infrastructure Ltd | Manufacturing | 2026 |
| Helix IP Search Ltd | Administrative & support | 2025 |
| Helix Medical Equipment Ltd | Wholesale & retail | 2024 |
| Helix Productions Ltd | Information & communication | 2017 |
| Helix Property Management Ltd | Real estate | 2021 |
| Helix Spectrum Trade Dynamics Ltd | Wholesale & retail | 2025 |
| Helixforge Trading Solutions Ltd | Extraterritorial | 2025 |
| Helixharmony Investment Group Limited | Extraterritorial | 2026 |
| Helixir Solutions Limited | Financial services | 2024 |
| Helixor for International Services Limited | Extraterritorial | 2026 |
| Helixspark Global Trading Ltd | Extraterritorial | 2025 |
| Hell UP Records Ltd | Information & communication | 2017 |
| Hella Trading Limited | Wholesale & retail | 2023 |
| Hellas Weir Ltd | Hospitality | 2023 |
| Hello Abroad Ltd | Education | 2025 |
| Hello Darling Club Ltd | Arts & recreation | 2026 |
| Hello Eater Ltd | Hospitality | 2026 |
| Hello Family Ltd | Hospitality | 2025 |
| Hello Furniture Ltd | Wholesale & retail | 2020 |
| Hello Happiness Ltd | Public administration | 2019 |
| Hello Haven Ltd | Real estate | 2025 |
| Hello Homeloans Limited | Financial services | 2017 |
| Hello Innovation Ltd | Wholesale & retail | 2018 |
| Hello Japan Shef Ltd | Wholesale & retail | 2024 |
| Hello Oriental (Oxford RD) Limited | Wholesale & retail | 2020 |
| Hello Oriental Glossop Limited | Hospitality | 2025 |
| Hello Oriental Trafford Centre Ltd | Hospitality | 2024 |
| Hello Shopper Ltd | Wholesale & retail | 2023 |
| Hello Travel (London) Ltd | Administrative & support | 2018 |
| Hello Travels Ltd | Administrative & support | 2023 |
| Hello Xpress Couriers Ltd | Transport & logistics | 2025 |
| Helloallora Ltd | Wholesale & retail | 2025 |
| Helloalps.Com Ltd | Wholesale & retail | 2023 |
| Helloboy Toys Ltd | Wholesale & retail | 2026 |
| Hellojiji Ltd | Health & social care | 2021 |
| Helloknife Ltd | Extraterritorial | 2010 |
| Hellz Chicken Limited | Hospitality | 2025 |
| Helm Hub Ltd | Information & communication | 2025 |
| Helm Iqbal Ltd | Professional & scientific | 2012 |
| Helmat Construction Limited | Construction | 1996 |
| Helmcroft Ltd | Professional & scientific | 2026 |
| Helme Leisure 2 Ltd | Hospitality | 2021 |
| Helme Leisure Ltd | Hospitality | 2021 |
| Helmi Limited | Health & social care | 2010 |
| Help & Wellbeing Ltd | Public administration | 2021 |
| Help Computer Services Limited | | 1985 |
| Help Mankind Ltd | Extraterritorial | 2009 |
| Help YOU Comply Limited | Financial services | 2012 |
| HELP2LIVE Limited | Professional & scientific | 2019 |
| Helpayments Ltd | Information & communication | 2024 |
| Helpdesk Accounting Ltd | Professional & scientific | 2026 |
| Helpfound Ltd | Health & social care | 2025 |
| Helpfulness Limited | Health & social care | 2016 |
| Helpgo Ltd | Professional & scientific | 2025 |
| Helping Hand Technology Services Ltd | Wholesale & retail | 2021 |
| Helping Hands Care & Co Ltd | Health & social care | 2012 |
| Helping Hands Cleaning Services (Saddleworth) Limited | Administrative & support | 2021 |
| Helping Spot Ltd | Wholesale & retail | 2022 |
| Helping the Business Limited | Wholesale & retail | 2025 |
| Helping the Needyshine Ltd | Other services | 2021 |
| Helpline 4U Limited | Professional & scientific | 2024 |
| Helpthemove Limited | Information & communication | 2013 |
| Helpthemove Services Limited | Information & communication | 2026 |
| Helptone Ltd | Real estate | 2005 |
| Helter Skelter Enterprises Limited | Information & communication | 2025 |
| Helvellyn Investments Limited | Financial services | 2013 |
| Helvellyn Prop Ltd | Real estate | 2025 |
| Helvetii Beans Ltd | Hospitality | 2026 |
| Helvetii Clothing Ltd | Wholesale & retail | 2020 |
| Helvetii Hikes Ltd | Hospitality | 2025 |
| Hema Foods Limited | Hospitality | 2024 |
| Hember Plant Hire Limited | Professional & scientific | 1974 |
| Hemel Hempstead Properties Limited | Real estate | 2022 |
| Hemel Restaurant Limited | Hospitality | 1999 |
| Hemera Global Limited | Wholesale & retail | 2024 |
| Hemercia Quintas Limited | Manufacturing | 2021 |
| Hemeta Limited | Other services | 2009 |
| Hemingway Property Solutions Limited | Real estate | 2025 |