| Gloucestershire Swift Storage Ltd | Real estate | 2015 |
| Glover Hill Legal Services Ltd | Professional & scientific | 2020 |
| Gomoto Ltd | Administrative & support | 2025 |
| Graham Coates Services (U.K.) Limited | Wholesale & retail | 1981 |
| Grandbar Snacks Limited | Manufacturing | 2021 |
| GRAVIT8 Software Ltd | Information & communication | 2021 |
| Grayze Creations Limited | Manufacturing | 2023 |
| Great Wall 168 Ltd | Hospitality | 2025 |
| Green & Brown Consultancy Limited | Professional & scientific | 2011 |
| Green Car Depollution Limited | Manufacturing | 2011 |
| Green Gate Trees Ltd | Professional & scientific | 2019 |
| Green Leaf Fine Joinery Ltd | Manufacturing | 2018 |
| Green-Line Contracts Limited | Administrative & support | 2000 |
| Greenwood Lettings and Estates Ltd | Real estate | 2024 |
| Greenwood Roofing (Gloucestershire) Ltd | Construction | 2022 |
| Grexitt Ltd | Administrative & support | 2016 |
| Greyeye Technology Limited | Information & communication | 1999 |
| Griffiths Technical Installations Ltd. | Construction | 2017 |
| Grit: Breakthrough Programmes | Health & social care | 1994 |
| GRP Advisory Ltd | Other services | 2026 |
| GS Legal Services Ltd | Professional & scientific | 2010 |
| GSD Property Holdings Ltd | Real estate | 2020 |
| Gspr Developments Ltd | Construction | 2011 |
| Gubshill Villas BED & Breakfast Ltd | Hospitality | 2025 |
| Gubshill Villas Interior Design Ltd | Professional & scientific | 2025 |
| Gully HAM Ltd | Construction | 2024 |
| Gulwells Autocare Limited | Wholesale & retail | 2026 |
| Gunalt Pursuits Limited | Wholesale & retail | 2022 |
| Gwirddyn Investments Ltd | Real estate | 2022 |
| H M Performance Saddles Ltd | Wholesale & retail | 2011 |
| H-R Imaging Limited | Health & social care | 2018 |
| Hacienda Property Investments Limited | Real estate | 2021 |
| Hadsor Limited | Wholesale & retail | 2020 |
| Halecourt Limited | Health & social care | 2010 |
| Halford & Sons Construction Limited | Construction | 2025 |
| Hall Environmental Limited | Professional & scientific | 2001 |
| Hallmark Residential Developments Limited | Construction | 2012 |
| Hamilton & Royce Holdings Limited | Financial services | 2025 |
| Hamilton & Royce Limited | Wholesale & retail | 2025 |
| Handlebarber Ltd | Other services | 2025 |
| Hands on Electrical Limited | Construction | 2017 |
| Hands on Projects Ltd | Real estate | 2023 |
| Hang and Behold Ltd | Wholesale & retail | 2025 |
| Harbourside (Tewkesbury) Management Company Limited | Real estate | 1988 |
| Harcourt Bishop Estates Ltd | Professional & scientific | 2023 |
| Hardrof Mines & Minerals Ltd | Real estate | 2014 |
| Harnell Limited | Professional & scientific | 2009 |
| Harris Waste Management UK Limited | Water & waste | 2012 |
| Hasti-Brokers Ltd | Financial services | 2021 |
| Hatric Limited | Real estate | 2003 |
| Haymac Bros Ltd | Wholesale & retail | 2025 |
| HC 1253 Limited | Hospitality | 2015 |
| HCS Solutions Limited | Administrative & support | 2007 |
| HDC Construction Ltd | Construction | 2024 |
| Healthcare RM Limited | Health & social care | 2000 |
| Healthkinect Limited | Health & social care | 2012 |
| Heartwood Designs Ltd | Manufacturing | 2009 |
| Heat Treatment and Metal Finishing Ltd | Manufacturing | 2026 |
| Hedgerow Ltd | Manufacturing | 2003 |
| Hegarty D&B Limited | Professional & scientific | 2019 |
| Helimosa Holdings Ltd | Real estate | 2024 |
| Henryson Foods International Limited | Wholesale & retail | 2000 |
| Hera Care Services Ltd | Administrative & support | 2025 |
| Heritage Southwest Ltd | Wholesale & retail | 2021 |
| Hetas 2023 Limited | Professional & scientific | 2023 |
| Hetas Limited | Professional & scientific | 1987 |
| Hewitech UK Limited | Construction | 2012 |
| Hexagon Music Publishing Ltd | Arts & recreation | 2022 |
| HF5 Limited | Real estate | 2010 |
| HGD Installations Ltd | Construction | 2025 |
| Hidden Beauty Bristol Ltd | Other services | 2020 |
| Hill View Lakes Limited | Hospitality | 2010 |
| Hillworth Court Holdings Ltd | Real estate | 2019 |
| HIS ALL Associates Ltd | Administrative & support | 2023 |
| HJH Network Designs Ltd | Construction | 2026 |
| Holberton and Co Ltd | Professional & scientific | 2010 |
| Holder and Holder Limited | Real estate | 2010 |
| Holland Park and Leisure Homes Limited | Hospitality | 2010 |
| Holly Blue Designs Limited | Manufacturing | 2009 |
| Holmegrown Fitness Ltd | Extraterritorial | 2023 |
| Home-Start North and West Gloucestershire | Other services | 2018 |
| Honey BEE Scented Limited | Other services | 2020 |
| Honeywell Global Tracking Limited | Information & communication | 2001 |
| Horus Empire Travel Ltd | Arts & recreation | 2024 |
| Hotcake Properties Limited | Construction | 2011 |
| Hotels of Grandeur Production Ltd | Information & communication | 2025 |
| House of Beaumonde Ltd | Other services | 2018 |
| Howellet Ltd | Real estate | 2024 |
| HPD Oxford Limited | Real estate | 2010 |
| HT Surveying Ltd | Construction | 2025 |
| Hucclecote Holistics Ltd | Health & social care | 2025 |
| Hughes Family Ltd | Administrative & support | 2020 |
| Hughes Ventures Ltd | Hospitality | 2025 |
| Hungry Monkey Ltd | Hospitality | 2020 |
| Hurns Hardware Limited | Wholesale & retail | 2013 |
| Hydro Building Systems UK Limited | Manufacturing | 1971 |
| Iceking Ltd | Extraterritorial | 2012 |
| ID Compass Ltd | Professional & scientific | 2025 |
| Idemia UK Holding Limited | Financial services | 2012 |
| Idemia UK Limited | Manufacturing | 1999 |