| Gmsibley Ltd | Professional & scientific | 2025 |
| GMU Meter Reading Ltd | Administrative & support | 2017 |
| GMW Trading Ltd | Hospitality | 2025 |
| GN Eyecare Limited | Health & social care | 2017 |
| Gnet Services Limited | Health & social care | 2025 |
| Go Couriers International Limited | Transport & logistics | 2000 |
| Go Grab Hire Ltd | Extraterritorial | 2023 |
| Go Gym Stuff Ltd | Wholesale & retail | 2016 |
| Go Legal HR Limited | Administrative & support | 2006 |
| Go Reliable Cars Limited Partnership | | 2017 |
| Go TEL Communications Limited | Wholesale & retail | 2001 |
| Go-Develop (Ferndown) Limited | Construction | 2016 |
| Go-Garage Ltd | Wholesale & retail | 2024 |
| Goatify Ltd | Manufacturing | 2026 |
| Gobebrilliant Limited | Professional & scientific | 2013 |
| Goddard Concerts Ltd | Arts & recreation | 2019 |
| Goddard Education Limited | Information & communication | 2019 |
| Goddard Farrier Services Limited | Agriculture & fishing | 2010 |
| Goddard Park Community Primary School Academy Trust | Education | 2010 |
| Godfrey & Mann Landscaping & Property Ltd | Administrative & support | 2021 |
| Godwin & Britannia Management Company Limited | Households | 2007 |
| Gogary Limited | Transport & logistics | 2019 |
| Goiania United Limited | Hospitality | 2025 |
| Gois Construction Ltd | Construction | 2020 |
| Gojo Technologies Limited | Information & communication | 2026 |
| Golad Technologies Limited | Information & communication | 2023 |
| Gold and Red Bowl Limited | Hospitality | 2021 |
| Gold Door Stripping Ltd | Other services | 2025 |
| Gold Dust Jewellers Ltd | Manufacturing | 2025 |
| Gold Earth Limited | Health & social care | 2022 |
| Gold Hearts Care Ltd | Health & social care | 2025 |
| Gold Knot Ltd | Extraterritorial | 2010 |
| Gold MKT Ltd | Wholesale & retail | 2022 |
| Gold Path Group Limited | Wholesale & retail | 2025 |
| Gold Star Shop Ltd | Wholesale & retail | 2019 |
| Gold-Traders (UK) Limited | Wholesale & retail | 2008 |
| Goldcrest Reach Limited | Financial services | 2021 |
| Golden Apiary Ltd | Agriculture & fishing | 2017 |
| Golden Blueprint Logistics Limited | Transport & logistics | 2024 |
| Golden Favour Care Ltd | Administrative & support | 2011 |
| Golden Fresh Mart Ltd | Wholesale & retail | 2022 |
| Golden Garden Ltd | Hospitality | 2023 |
| Golden Grace Care Ltd | Health & social care | 2025 |
| Golden Helios Limited | Hospitality | 2024 |
| Golden Hope Care Ltd | Education | 2020 |
| Golden Key Coaching Limited | Administrative & support | 2022 |
| Golden Mountains Ltd | Health & social care | 2002 |
| Golden Star 66 Ltd | Hospitality | 2018 |
| Goldfish Sushi Limited | Hospitality | 2026 |
| Goldhaart Limited | Information & communication | 2019 |
| Goldiggers Aesthetics Ltd | Other services | 2025 |
| Goldiggers Hair Group Ltd | Other services | 2018 |
| Goldleaf Designs Ltd | Professional & scientific | 2025 |
| Goldsworthys (Marlborough) Hairdressing Limited | Other services | 2012 |
| Golf Envy Franchising Limited | Administrative & support | 2026 |
| Golf-Tech Limited | Manufacturing | 1996 |
| Goluj Transport Ltd | Transport & logistics | 2024 |
| Gomba Properties Limited | Real estate | 2023 |
| Gooch Street Management Company Limited | Hospitality | 2014 |
| Good Effort Racing Limited | Agriculture & fishing | 2025 |
| Good Folks Consultants Limited | Real estate | 2021 |
| Good Life Bites Ltd | Hospitality | 2023 |
| Good Mood Space Ltd | Real estate | 2023 |
| Good Standard Care Ltd | Health & social care | 2014 |
| Good Times Enterprise Limited | Arts & recreation | 2020 |
| Goodhart HR Services Ltd | Professional & scientific | 2022 |
| Goodness by Design Limited | Professional & scientific | 2025 |
| Goodtalent Corporation Ltd | Information & communication | 2020 |
| Gopremium Ltd | Wholesale & retail | 2023 |
| Gorgeous Melksham Ltd | Other services | 2024 |
| Gorgeous Swindon Ltd | Other services | 2020 |
| Gorkha Subash Limited | Hospitality | 2019 |
| Gorse Hill Drycleaners & Laundry Ltd | Other services | 2025 |
| Gorse Hill PUB Co Ltd | Hospitality | 2015 |
| Gorse Hill Tearooms Limited | Hospitality | 2020 |
| Gorshill Diamond Kebab House Ltd | Hospitality | 2026 |
| Gosaj Legacy Solutions Limited | Transport & logistics | 2021 |
| Goss Property Services Ltd | Real estate | 2017 |
| Goswami Solutions Ltd | Information & communication | 2010 |
| Gotha Games Ltd | Wholesale & retail | 2011 |
| Gotograce Limited | Information & communication | 2024 |
| Gough Services Ltd | Wholesale & retail | 2021 |
| Gould Level Roofing Limited | Construction | 2024 |
| Gourmet Goods Ltd | Hospitality | 2023 |
| Gourmeth Decisions Ltd | Hospitality | 2023 |
| Govnor Promotions Ltd | Other services | 2019 |
| Gowland Electrical Services Limited | Construction | 2025 |
| Gowri Properties Europe Limited | Real estate | 2025 |
| GP Concepts Limited | Information & communication | 2014 |
| GPH Accountancy Limited | Professional & scientific | 2017 |
| GR Express Holding Ltd | Financial services | 2024 |
| GR Express Ltd | Wholesale & retail | 2024 |
| GR Forecourt Limited | Wholesale & retail | 2019 |
| GR Operators Ltd | Wholesale & retail | 2020 |
| GR8PAY Limited | Professional & scientific | 2020 |
| Graak Logistics Limited | Transport & logistics | 2021 |
| Grace & Goldney Ltd | Manufacturing | 2015 |
| Grace Counsel Limited | Professional & scientific | 2021 |
| Grace Electrics Limited | Wholesale & retail | 2014 |
| Gracie Swindon Ltd | Arts & recreation | 2019 |