| Gadd & Gadd Limited | Administrative & support | 2023 |
| Gadgets Land Ltd | Other services | 2025 |
| Gadgets Repair LAB Limited | Manufacturing | 2025 |
| Gaia Energy Brokers Limited | Administrative & support | 2013 |
| Gaia SW Ltd | Hospitality | 2023 |
| Gaia Wellness Ltd | Health & social care | 2025 |
| Gail Sharp Designs Limited | Other services | 2014 |
| Gain Holdings Ltd | Professional & scientific | 2023 |
| Gainey Ltd | Construction | 2023 |
| Gainwell Limited | Financial services | 1998 |
| Gait Development Limited | Professional & scientific | 2019 |
| Gaje Properties Ltd | Real estate | 2020 |
| Galaal Transport Ltd | Transport & logistics | 2024 |
| Galactico Security Ltd | Information & communication | 2021 |
| Galactico Threesixty Ltd | Information & communication | 2023 |
| Galagic Limited | Information & communication | 2019 |
| Galant Apolune Ltd | Real estate | 2024 |
| Galathe Consulting Ltd | Professional & scientific | 2010 |
| Galaxy Datacoms Limited | Administrative & support | 2010 |
| Galaxy Electrical Solutions Limited | Construction | 2021 |
| Galaxy Finco Limited | Financial services | 2025 |
| Galaxy Holdco Limited | Financial services | 2025 |
| Galaxy Web Solutions Limited | Information & communication | 2008 |
| Gale Design and Build Limited | Construction | 2018 |
| Galemire Vets Limited | Professional & scientific | 2009 |
| Gales Farm Meats Limited | Wholesale & retail | 2009 |
| Galgo Hospitality Ltd | Hospitality | 2025 |
| Galia Perform Ltd | Health & social care | 2021 |
| Galigos Ltd | Professional & scientific | 2024 |
| Gallagher Professional Services Ltd | Professional & scientific | 2023 |
| Gallani Consulting Ltd | Professional & scientific | 2016 |
| Gallants Way Management Company Limited | Households | 2010 |
| Gallaz Styles Ltd | Other services | 2023 |
| Gallego Property Investments Limited | Real estate | 2015 |
| Gallen Treath Management Company Limited | Households | 2007 |
| Gallery Twenty Two Limited | Extraterritorial | 2016 |
| GALLERY2C Limited | Arts & recreation | 2006 |
| Gallis Pole Limited | Extraterritorial | 2010 |
| Gallo Mack & Reid Management Limited | Households | 2025 |
| Gallops SW Ltd | Agriculture & fishing | 2021 |
| Galls Electrical Ltd | Extraterritorial | 2025 |
| Galmatron Ltd | Health & social care | 2024 |
| Galocha Ltd | Real estate | 2019 |
| Galois Technologies Ltd | Financial services | 2026 |
| Galore Productions Limited | Administrative & support | 2019 |
| Galtec Holdings Limited | Professional & scientific | 1989 |
| Galtec Limited | Construction | 1988 |
| Galtec Services Limited | Administrative & support | 1997 |
| Galton Manor Solar Park Limited | Energy | 2013 |
| Galwest Limited | Construction | 2012 |
| GAM Barbers Ltd | Other services | 2024 |
| GAM GAM Barbers Ltd | Other services | 2025 |
| Gam.Bristol Ltd | Hospitality | 2020 |
| Gama Trading Solution Limited | Wholesale & retail | 2024 |
| Gambian Healthcare Ltd | Transport & logistics | 2023 |
| Gambles Architects Ltd | Professional & scientific | 2014 |
| Game Changer Trading Ltd | Wholesale & retail | 2025 |
| Game of Life Ltd | Water & waste | 2022 |
| Game Theorem Ltd | Manufacturing | 2025 |
| Game Vault Limited | Wholesale & retail | 2023 |
| Gamebench Limited | Information & communication | 2012 |
| Gamebird Inns Limited | Hospitality | 2003 |
| Gameboard Limited | Information & communication | 2025 |
| Gamechangers Coaching Limited | Education | 2025 |
| Games Moby Limited | Information & communication | 2025 |
| Gametry Limited | Professional & scientific | 1995 |
| Gamma HAT Ltd | Information & communication | 2022 |
| Gamma Studios Limited | Manufacturing | 2025 |
| Gamma Technology UK Limited | Professional & scientific | 2026 |
| Gamuk Trading Company Ltd | Wholesale & retail | 2026 |
| Ganesha Indian Restaurant Private Limited | Extraterritorial | 2007 |
| Ganesha Press Limited | Information & communication | 1983 |
| Ganeshi Khazana Ltd | Professional & scientific | 2025 |
| Ganeshkripa Ltd | Wholesale & retail | 2010 |
| Gani (Bristol) Ltd | Construction | 2021 |
| Gani Cars Limited | Wholesale & retail | 2023 |
| Ganley and Naish Cider Ltd | Manufacturing | 2019 |
| Gantt Solutions Limited | Professional & scientific | 2014 |
| Ganymede Productions Limited | Arts & recreation | 2006 |
| Gaonkars Limited | Wholesale & retail | 2024 |
| Garafit Services Limited | Wholesale & retail | 1980 |
| Garage 38 Limited | Arts & recreation | 2024 |
| Garage Door Repairs Bristol Ltd | Construction | 2017 |
| Garage Doors Repaired Ltd | Other services | 2017 |
| Garage Steppers Ltd | Professional & scientific | 2025 |
| Garbasaar Limited | Wholesale & retail | 2023 |
| Garbcorp Limited | Professional & scientific | 2012 |
| Garbhadhana Ltd | Health & social care | 2024 |
| Garbild Ltd | Construction | 2019 |
| Garbild Properties Limited | Real estate | 2021 |
| Garbutt Limited | Information & communication | 2007 |
| Garbz Plastering Limited | Construction | 2024 |
| Garchak UK Limited | Wholesale & retail | 2025 |
| Garden Concept Creations Limited | Other services | 2021 |
| Garden Machinery Limited | Other services | 2006 |
| Garden of Jannah Limited | Real estate | 2025 |
| Garden Room Masters Ltd | Construction | 2021 |
| Garden Thief Ltd | Manufacturing | 2026 |
| Garden to Plate Limited | Agriculture & fishing | 2008 |
| Gardenstar Limited | Households | 1989 |