| Golden Thread Saas Ltd | Information & communication | 2025 |
| Golden Three Limited | Other services | 2018 |
| Golden Time Club PC | | 2017 |
| Golden Touch Barbershop Limited | Other services | 2019 |
| Golden Two Limited | Other services | 2018 |
| Golden Unicorn Sportshorses Ltd | Agriculture & fishing | 2020 |
| Golden Vale Rapeseed OIL Ltd | Manufacturing | 2020 |
| Golden Valley Real Estate Holding Limited | Real estate | 2016 |
| Golden Web Group Ltd | Real estate | 2023 |
| Goldenbox World Ltd | Wholesale & retail | 2019 |
| Goldenhind Recruitment Ltd | Administrative & support | 2017 |
| Goldenkey Realty Limited | Real estate | 2024 |
| Goldenline Permanent Ltd | Other services | 2017 |
| Goldenpond Consulting Limited | Professional & scientific | 2013 |
| Goldenpop Limited | Information & communication | 2025 |
| Golders Trade Ltd | Wholesale & retail | 2022 |
| Goldfell Limited | Arts & recreation | 2024 |
| Goldfinch Advisory Limited | Professional & scientific | 2023 |
| Goldini Tattoo Limited | Professional & scientific | 2015 |
| Goldleaf Import Export Ltd | Wholesale & retail | 2025 |
| Goldleaf Landscapes (Cardiff) Limited | Administrative & support | 2022 |
| Goldline Chauffeurs Limited | Wholesale & retail | 2012 |
| Goldmann Finance Aktiengesellschaft | Administrative & support | 2023 |
| Goldmine Labs Ltd | Arts & recreation | 2025 |
| Goldnova Ltd | Wholesale & retail | 2025 |
| Goldoak Solicitors Ltd | Professional & scientific | 2023 |
| Goldpro Commodities Limited | Financial services | 2025 |
| Goldsheng(Germany) International Chemical Ltd | Mining & quarrying | 2026 |
| Goldsland Ltd | Real estate | 2025 |
| Goldsland Property Services Limited | Real estate | 2020 |
| Goldsmith Green Ltd | Real estate | 2018 |
| Goldsmith Workshop Anelli.Uk Ltd | Wholesale & retail | 2024 |
| Goldstone Books Limited | Arts & recreation | 2009 |
| Goldstone Cardiff Limited | Real estate | 2012 |
| Goldwater Mortgage and Protection Advice Limited | Financial services | 2019 |
| Goldwater Recruitment Solutions Ltd | Administrative & support | 2017 |
| Goldwaybs Limited | Wholesale & retail | 2025 |
| Goldwing Owners Club Great Britain Limited | Other services | 2007 |
| Goldwise Holdings Limited | Financial services | 2021 |
| Goldwright Capital LLP | | 2019 |
| Goldy Stuff Ltd | Wholesale & retail | 2024 |
| Goleudy Limited | Information & communication | 1996 |
| Golfaza Ltd | Wholesale & retail | 2025 |
| Golfbook Golf Management Limited | Arts & recreation | 2019 |
| Golfiriu Ltd | Information & communication | 2026 |
| Golfsons Ltd | Wholesale & retail | 2025 |
| Goliath Property Group Limited | Construction | 2019 |
| Goliath Security Services Ltd | Administrative & support | 2021 |
| Golio Solutions Ltd | Administrative & support | 2020 |
| Goliya Deli Ltd | Hospitality | 2022 |
| Golkar Holding Ltd | Wholesale & retail | 2019 |
| Golley Group Limited | Professional & scientific | 2002 |
| Golley Slater Group Limited | Professional & scientific | 1957 |
| Golley Slater Media Limited | Administrative & support | 1996 |
| Golosg Coed Ltd | Hospitality | 2023 |
| Golwen Ltd | Health & social care | 2018 |
| Golwg Y Mynydd (Mountain ASH) RMC Ltd | Households | 2018 |
| Golzari Marketing Ltd | Wholesale & retail | 2025 |
| GOM Consulting Limited | Financial services | 2015 |
| Gomailgo Limited | Information & communication | 2016 |
| Gomedia.Ly Ltd | Professional & scientific | 2023 |
| Gomer Alliance PC | | 2017 |
| Gomez Property Group Limited | Real estate | 2023 |
| Gomz Kitchen Ltd | Hospitality | 2022 |
| Gondal Enterprises Limited | Wholesale & retail | 2015 |
| Gondi Roots Limited | Other services | 2023 |
| Gone BUT NOT Forgotten Ltd | Professional & scientific | 2009 |
| Gone Solar Bristol Ltd | Construction | 2025 |
| Gonlezose Limited | Wholesale & retail | 2025 |
| Gonzaless Ltd | Wholesale & retail | 2025 |
| Good Beagle International Ltd | Information & communication | 2019 |
| Good Brothers Ltd | Professional & scientific | 2019 |
| Good Chef (Cardiff) Ltd | Hospitality | 2015 |
| Good Choise Ltd | Wholesale & retail | 2023 |
| Good Curry Ltd | Hospitality | 2023 |
| Good Energy Solutions Ltd | Professional & scientific | 2019 |
| Good Faith Management Consultancy Ltd | Wholesale & retail | 2021 |
| Good for YOU Property Management Ltd | Real estate | 2024 |
| Good Gate Developments Limited | Information & communication | 2021 |
| Good Gate Media Ltd | Information & communication | 2018 |
| Good Guarding Group Limited | Agriculture & fishing | 2018 |
| Good Hands Limited | Extraterritorial | 2004 |
| Good Legs Ltd | Wholesale & retail | 2013 |
| Good Luck Studio Limited | Arts & recreation | 2019 |
| Good OWL Studio Ltd | Information & communication | 2023 |
| Good Property Deals Ltd | Real estate | 2021 |
| Good Shout Films Ltd | Information & communication | 2022 |
| Good Travel Norway Limited | Extraterritorial | 2025 |
| Good Vibes Group Limited | Arts & recreation | 2022 |
| Good Ways Services Limited | Wholesale & retail | 2022 |
| Good World 8866 Limited | Hospitality | 2025 |
| Goodall Civil Engineering Limited | | 1979 |
| Goode Services Limited | Manufacturing | 2016 |
| Goodgerkear Ltd | Real estate | 2025 |
| Goodgerrentals Ltd | Real estate | 2023 |
| Goodlife Energy Limited | Energy | 2018 |
| Goodmaker Ltd | Information & communication | 2019 |
| Goodman Grant Solicitors Limited | Extraterritorial | 2011 |
| Goodnoyz Limited | Transport & logistics | 2025 |
| Goods 4 ALL Ltd | Wholesale & retail | 2019 |