| Grove House Enterprises Ltd | Extraterritorial | 2016 |
| Grove House Estates Limited | Real estate | 2015 |
| Grove House Stables LLP | | 2012 |
| Groveforge Limited | Real estate | 1992 |
| Grovewood Barn Ltd | Real estate | 2018 |
| Grow Green Group Limited | Agriculture & fishing | 2021 |
| Grow Online Limited | Wholesale & retail | 2020 |
| Grow Systems Ltd | Information & communication | 2025 |
| Grow Your Business (East Anglia) Limited | Administrative & support | 2012 |
| Growing Together Education CIC | Education | 2020 |
| Grownorth Financial Limited | Financial services | 2020 |
| Grownorth Limited | Financial services | 2020 |
| Growon Technologies Ltd | Wholesale & retail | 2022 |
| Growth Engine Agency Limited | Professional & scientific | 2019 |
| Growth Engine Executive Limited | Professional & scientific | 2019 |
| Growthpad Limited | Professional & scientific | 2017 |
| Groww Green CIC | Water & waste | 2023 |
| Groww Green Social Enterprise Limited | Water & waste | 2023 |
| GRS Bulding Limited | Construction | 2026 |
| GRS PVT Ltd | Hospitality | 2023 |
| Grub Grub Limited | Arts & recreation | 2024 |
| Grubworm Ltd | Real estate | 2021 |
| GRYBE365 Limited | Transport & logistics | 2018 |
| GS Training Solutions Ltd | Other services | 2025 |
| GSC 1 Limited | Extraterritorial | 2017 |
| GSE Fishbits Limited | Hospitality | 2023 |
| GSL Hotel Limited | Hospitality | 2023 |
| GSM TM Ltd | Construction | 2018 |
| GSO Consulting Limited | Professional & scientific | 2025 |
| Gsoftware Analytics Ltd | Information & communication | 2025 |
| GSP Pharma Ltd | Health & social care | 2018 |
| GSP the Local Shop Ltd | Hospitality | 2016 |
| GSR Project Solutions Ltd | Professional & scientific | 2026 |
| GSS Services Group Ltd | Construction | 2023 |
| GSZ Transport Ltd | Transport & logistics | 2015 |
| GTA Assessments Limited | Education | 2017 |
| Gta-Fam Ltd | Transport & logistics | 2025 |
| GTC Control Limited | Information & communication | 2006 |
| GTM MCD Limited | Administrative & support | 2016 |
| Gtro Enterprises Ltd | Hospitality | 2013 |
| Guaranteed Great Service Ltd | Wholesale & retail | 2024 |
| Guenigault Financial Services Ltd | Professional & scientific | 2022 |
| Guest & Sons Drywall Ltd | Construction | 2026 |
| GUG Collective Ltd | Other services | 2026 |
| Guidestone Care Ltd | Health & social care | 2024 |
| Guidestone Care Properties Ltd | Real estate | 2026 |
| Guild Consulting London Limited | Professional & scientific | 2022 |
| Guison Limited | Financial services | 2022 |
| Guitar Lounge Limited | Hospitality | 2025 |
| Guition Global Ltd | Wholesale & retail | 2025 |
| Guiver Retirement Provisions Limited | Financial services | 2006 |
| Guldede Limited | Hospitality | 2024 |
| Guleboj Bananer OG Domains Limited | Professional & scientific | 2011 |
| Guli 27 Limited | Hospitality | 2026 |
| Gunes Ardil Ltd | Hospitality | 2020 |
| Gungaraffe Limited | Information & communication | 2004 |
| Gunhills Cafe Limited | Hospitality | 2026 |
| Gunner Trading Ltd | Extraterritorial | 2024 |
| Gunson Property Investment Ltd | Real estate | 2025 |
| Gunworx Ltd | Wholesale & retail | 2025 |
| Gurgul Carpet Wholesale Limited | Wholesale & retail | 2025 |
| Gurkha Everest Doncaster Ltd | Hospitality | 2026 |
| Gusto Grill Limited | Hospitality | 2018 |
| GUY Lampitt Limited | Professional & scientific | 2017 |
| GVD - Grundstuecksverwaltungs - UND Dienstleistungs Limited | Professional & scientific | 2006 |
| GVM Services Ltd | Wholesale & retail | 2021 |
| Gwilliam Consulting Ltd | Professional & scientific | 2026 |
| GWL Solutions Limited | Construction | 2018 |
| GWR Solutions Ltd | Construction | 2022 |
| Gwrecruitment Ltd | Administrative & support | 2018 |
| GWU Limited | Construction | 2018 |
| Gym ARC Limited | Wholesale & retail | 2025 |
| Gymstep Ltd | Wholesale & retail | 2025 |
| Gynsill Gate (Anstey) Management Company Limited | Households | 2020 |
| GZL Limited | Manufacturing | 2014 |
| H & a Maintenance & Security Ltd | Administrative & support | 2025 |
| H & E Electrical Ltd | Manufacturing | 2018 |
| H & H Patel Estates Ltd | Real estate | 2025 |
| H & H Patel Ltd | Real estate | 2023 |
| H & J Aujla Investment Ltd | Real estate | 2022 |
| H & M Gastro Catering Equipment Limited | Manufacturing | 2024 |
| H & P Trade Ltd | Wholesale & retail | 2025 |
| H & S Air Conditioning Limited | Construction | 2004 |
| H B Tunnelling Limited | Construction | 2009 |
| H C Properties (Doncaster) Limited | Real estate | 2019 |
| H Gaskin Ltd | Wholesale & retail | 2019 |
| H H Haulage (Yorkshire) Limited | Transport & logistics | 2015 |
| H N I Property Investments Ltd | Real estate | 2025 |
| H Q Plumbing and Heating Limited | Construction | 2019 |
| H S T Business Services Ltd. | Information & communication | 1997 |
| H Systems Ltd | Professional & scientific | 2023 |
| H Wilson Export Limited | Wholesale & retail | 2005 |
| H Z Haulage Ltd | Transport & logistics | 2015 |
| H&A Logistics Ltd | Wholesale & retail | 2025 |
| H&A Tyres UK Limited | Wholesale & retail | 2025 |
| H&H Future Vision Ltd | Wholesale & retail | 2018 |
| H&L Meats Ltd | Manufacturing | 2020 |
| H&L Mortgage Solutions Ltd | Financial services | 2024 |
| H&O Daykin Ltd | Real estate | 2025 |
| H&R People Solutions Limited | Administrative & support | 2025 |