| Guide Technologies Limited | Information & communication | 2021 |
| Guided Futures Ltd | Professional & scientific | 2025 |
| Guiding Paths Care Consultancy Ltd | Professional & scientific | 2026 |
| Guild & Village Taxis Ltd | Transport & logistics | 2013 |
| Guild Academy Group Ltd | Education | 2018 |
| Guild Home Lettings Limited | Real estate | 2021 |
| Guild P H Limited | Transport & logistics | 2018 |
| Guild Rental Limited | Administrative & support | 2025 |
| Guild Scaffolding Ltd. | Construction | 2004 |
| Guildford Advanced Courses LLP | | 2015 |
| Guildhall House Management Limited | Households | 2025 |
| Gujjar Auto Service Ltd | Other services | 2025 |
| GUL Insurance Solutions Ltd | Financial services | 2012 |
| GUL Mortgages Ltd | Financial services | 2026 |
| GUL Property Management Ltd | Construction | 2012 |
| Gul-Sham Medical Services Ltd | Health & social care | 2024 |
| Gulf Offshore Leasing Limited | Manufacturing | 1997 |
| Gulf Stream (Bio-Ecofriendly & Sustainable) Shippers Association Limited | Transport & logistics | 2021 |
| Gullivers Travels (Longton) Ltd | Administrative & support | 2004 |
| Gume Games Ltd | Wholesale & retail | 2025 |
| Gundra Lane Ltd | Wholesale & retail | 2025 |
| Gurdev Transporting Ltd | Transport & logistics | 2026 |
| Gurjee Property Investment Ltd | Wholesale & retail | 2025 |
| Guruji Convenience Store Ltd | Wholesale & retail | 2023 |
| Guryan's Transport Ltd | Transport & logistics | 2024 |
| Guseva Beauty Ltd | Other services | 2025 |
| Gusto Italia (Ashton) Limited | Hospitality | 2016 |
| GUY Bickerstaffe Consultancy Limited | Professional & scientific | 2025 |
| GUY Wakeling Jewellery Limited | Manufacturing | 2017 |
| Guy's Farm Shop Ltd | Wholesale & retail | 2023 |
| Guye Singleton Limited | Construction | 2006 |
| Guymafo Limited | Real estate | 2011 |
| Guys Eating Establishments Limited | Hospitality | 1980 |
| GV Distributions Limited | Wholesale & retail | 2023 |
| GVH Sales Limited | Professional & scientific | 2005 |
| GVR23 Limited | Financial services | 2023 |
| GW Agriculture Consultancy Limited | Professional & scientific | 2021 |
| GW Brands Limited | Professional & scientific | 2015 |
| GW Robotics Limited | Other services | 2022 |
| GWH Buildings Limited | Manufacturing | 2008 |
| Gwinneth Properties Limited | Real estate | 2025 |
| Gwmh Studio Ltd | Other services | 2022 |
| Gwok Hing Takeaway Ltd | Hospitality | 2023 |
| GWP (NW) Limited | Other services | 2019 |
| Gym Logistics Limited | Transport & logistics | 2019 |
| Gymfella Fitness Ltd | Information & communication | 2025 |
| Gymgear Limited | Extraterritorial | 2020 |
| Gymgear Rentals Limited | Administrative & support | 2017 |
| Gymnow Ltd | Arts & recreation | 2024 |
| Gynaecology & Infertility Services UK Ltd | Health & social care | 2003 |
| H & a Estate Ltd | Real estate | 2026 |
| H & H Properties (Lancs) Ltd | Real estate | 2020 |
| H & J Construction Limited | Construction | 2003 |
| H & J Services Limited | Wholesale & retail | 2009 |
| H & P Finishes Limited | Construction | 2022 |
| H & S Barbers (Preston) Ltd | Other services | 2024 |
| H & S Restaurants Ltd | Hospitality | 2006 |
| H & V Developments Ltd | Real estate | 2024 |
| H a Management (NW) Limited | Wholesale & retail | 2006 |
| H and T Cleaning Services Ltd | Administrative & support | 2024 |
| H B Consruction Northwest Ltd | Construction | 2026 |
| H E a Lettings Limited | Real estate | 2017 |
| H Edmondson Motor Engineers Limited | Wholesale & retail | 2018 |
| H H R Services Ltd | Wholesale & retail | 2020 |
| H Hospitality & Events Ltd | Hospitality | 2024 |
| H J Forestry LLP | | 2012 |
| H Jaan Ltd | Real estate | 2018 |
| H L Care Community Interest Company | Real estate | 2024 |
| H P Engineering Limited | Professional & scientific | 2009 |
| H R Cosmetics Aesthetics Ltd | Other services | 2017 |
| H R Media Ltd | Wholesale & retail | 2021 |
| H T 2 Barbers Zanyar Ltd | Other services | 2024 |
| H Thrivon Security Ltd | Information & communication | 2025 |
| H Unit C Ltd | Wholesale & retail | 2025 |
| H&A Protection Services Limited | Administrative & support | 2016 |
| H&C Properties North Ltd | Construction | 2023 |
| H&H Partners (Longridge) Ltd | Health & social care | 2016 |
| H&I Luxury Living Ltd | Real estate | 2026 |
| H&J Caravans Ltd | Hospitality | 2024 |
| H&M Property Estates Ltd | Real estate | 2024 |
| H&N Plant and Machinery Ltd | Manufacturing | 2025 |
| H&O Studio Limited | Wholesale & retail | 2023 |
| H&S Direct Solutions Limited | Professional & scientific | 2013 |
| H&S Living Ltd | Wholesale & retail | 2016 |
| H&S Services (NW) Ltd | Households | 2021 |
| H&Z Medical Services Ltd | Health & social care | 2022 |
| H&Z2 Ltd | Wholesale & retail | 2025 |
| H. & A.K. Fletcher Limited | Wholesale & retail | 1976 |
| H. Clarke Property Group Limited | Real estate | 2025 |
| H. Robinson Investments Ltd | Real estate | 2022 |
| H.B. Panelcraft Limited | Wholesale & retail | 1978 |
| H.F Security Consultants Ltd | Administrative & support | 2019 |
| H.Mears(Furnishers)Limited | Wholesale & retail | 1947 |
| H.P.H Catering Ltd | Hospitality | 2016 |
| H.Parkinson Haulage Limited | Wholesale & retail | 1967 |
| H25 Housing Ltd | Real estate | 2025 |
| H4M1 Medical Services Limited | Health & social care | 2010 |
| HAA Locum Ltd | Other services | 2025 |
| Haadia Foods Ltd | Wholesale & retail | 2024 |
| Haaris Kadri Limited | Administrative & support | 2013 |