| Gscm Investment Holdings Limited | Real estate | 2017 |
| GSM Building Solutions Ltd | Construction | 2024 |
| Gspurway Ltd | Education | 2026 |
| GSS SAP Consultancy Ltd | Information & communication | 2018 |
| GST Developments (NW) Limited | Construction | 2008 |
| GT Readers Limited | Administrative & support | 2010 |
| GTB Limited | Wholesale & retail | 2008 |
| Guacfin Ltd | Information & communication | 2024 |
| Guaranteed Driveways & Excavations Ltd | Extraterritorial | 2021 |
| Guaranteed Maintenance Limited | Construction | 2012 |
| Guards Gear UK Ltd | Wholesale & retail | 2021 |
| Gufphotography Limited | Professional & scientific | 2013 |
| Guided Luxury Limited | Other services | 2017 |
| Guild & Co NW Ltd | Other services | 2022 |
| Guild Energy Ltd | Professional & scientific | 2015 |
| Guild Visuals Limited | Professional & scientific | 2018 |
| Guildcrest Limited | Real estate | 2013 |
| Gulliver Builders Ltd | Construction | 2019 |
| Gulu Gulu BPL Ltd | Hospitality | 2025 |
| Gumustekin Logistics Ltd | Transport & logistics | 2026 |
| Guner Yacht Ltd | Extraterritorial | 2025 |
| Gunsmith Fitness Ltd | Other services | 2015 |
| Gunston Interiors Limited | Manufacturing | 2018 |
| Gunton Olive Ltd | Wholesale & retail | 2025 |
| Gusto Lytham Limited | Hospitality | 2013 |
| Guven Marine Ltd | Extraterritorial | 2025 |
| GUY Barrett Illusion Design Ltd | Extraterritorial | 2017 |
| GW Shipping & Freight Limited | Transport & logistics | 2014 |
| Gwala Gwalaa Limited | Wholesale & retail | 2020 |
| Gwm.Ay Ltd | Hospitality | 2019 |
| Gym Mania Gymnastics Club Limited | Arts & recreation | 2017 |
| GZR Solutions Ltd | Information & communication | 2019 |
| H & B Builders & Decorators Limited | Construction | 1997 |
| H Haven Capital Ltd | Construction | 2023 |
| H Haven Foods Limited | Wholesale & retail | 2013 |
| H P Home Maintenance Ltd | Construction | 2022 |
| H W Property Maintenance Ltd | Construction | 2023 |
| H Whittle Limited | Administrative & support | 2018 |
| H&H Property Group Ltd | Real estate | 2020 |
| H&S Prime Ltd | Wholesale & retail | 2017 |
| H. C. Rooney Limited | Wholesale & retail | 2025 |
| H. K. Dickey Ltd | Wholesale & retail | 2025 |
| H.A.D. Music Ltd | Wholesale & retail | 2025 |
| H.B.S. (Services) Limited | Extraterritorial | 1996 |
| H2.0 Innovations Ltd | Water & waste | 2023 |
| H2O Bars Ltd | Hospitality | 2022 |
| Haarisgrill Limited | Hospitality | 2023 |
| Hacktrack Ltd | Information & communication | 2025 |
| Haddon Court Limited | Health & social care | 1999 |
| Hadi & Zaidi Ltd | Hospitality | 2023 |
| Hadlows Trading Post Ltd | Wholesale & retail | 2024 |
| Hagim Ltd | Construction | 2023 |
| Hagim Property & Letting Ltd | Real estate | 2025 |
| Hail Sale Limited | Wholesale & retail | 2025 |
| Hain Vintage Cars Ltd | Wholesale & retail | 2023 |
| Haines Property Investments Limited | Real estate | 2025 |
| Hair Design (Freckleton) Limited | Other services | 2011 |
| Hairlosshq Ltd | Other services | 2024 |
| Hakunamatata Kenyan Community Blackpool CIC | Health & social care | 2025 |
| Halbja-Blackpool Limited | Other services | 2023 |
| Haldi Foods Private Limited | Hospitality | 2026 |
| Halemoor Limited | Construction | 2008 |
| Halfpenny Consulting Limited | Information & communication | 2018 |
| Hall's Environment Limited | Construction | 2002 |
| Hallam Counselling Limited | Public administration | 2017 |
| Hallstone Lodge Limited | Households | 1988 |
| Halo Hair, Nails and Beauty Limited | Administrative & support | 2017 |
| Halpin Consultancy Limited | Information & communication | 2018 |
| Hambleton Motors Ltd | Wholesale & retail | 2025 |
| Hamer's Plumbing & Drainage Ltd | Water & waste | 2019 |
| Hami Hami Ltd | Real estate | 2025 |
| Hamiltoongroundworks Ltd | Construction | 2020 |
| Hamisec UK Limited | Administrative & support | 2019 |
| Hamlet Hire Limited | Administrative & support | 2016 |
| Hamlet Portfolio Limited | Construction | 2021 |
| Hammerbeam Limited | Professional & scientific | 2015 |
| Hammond Electrical Contractors (NW) Limited | Construction | 2012 |
| Hamnett's Vintage Hifi Ltd | Manufacturing | 2013 |
| Hancock & Spencer Lettings Ltd | Real estate | 2025 |
| Hancock Construction Ltd | Construction | 2026 |
| Hand Engineering Ltd | Professional & scientific | 2017 |
| Handley Professional Services Limited | Administrative & support | 2016 |
| Handy Grandad Group Ltd | Construction | 2026 |
| Handydan Handyman Limited | Construction | 2024 |
| Handyvolt Services Limited | Construction | 2026 |
| Hanekom Management Limited | Professional & scientific | 2021 |
| Hangar 3 Blackpool Ltd | Wholesale & retail | 2004 |
| Hangerworld Limited | Wholesale & retail | 2008 |
| Hanley & Co. Limited | Professional & scientific | 1995 |
| Hanly Consulting Ltd | Professional & scientific | 2017 |
| Hannah Lowe Ltd | Professional & scientific | 2016 |
| Hansen Adair Holdings Limited | Real estate | 2017 |
| Hansen Adair Limited | Real estate | 2008 |
| Hansen Morton Holdings Limited | Real estate | 2017 |
| Hansen Morton Limited | Real estate | 2008 |
| Hansen Properties Holdings Limited | Real estate | 2017 |
| Hansen Properties Limited | Real estate | 1996 |
| Hanson's Gardening Limited | Administrative & support | 2021 |
| Happi Hotel Spa Ltd | Hospitality | 2026 |
| Happleyard Ltd | Professional & scientific | 2022 |