| Go AS YOU Please Funerals North East Ltd | Other services | 2016 |
| Go Coastline Limited | Professional & scientific | 1986 |
| Go HYR Ltd | Administrative & support | 2025 |
| Go Keltie Ltd | Arts & recreation | 2019 |
| Go London Limited | Professional & scientific | 1993 |
| Go Noknok Limited | Households | 2023 |
| Go North East Limited | Transport & logistics | 1986 |
| Go North West (Merseyside) Limited | Transport & logistics | 2021 |
| Go North West Asset Co Limited | Transport & logistics | 2023 |
| Go North West Limited | Transport & logistics | 2012 |
| Go Northern Limited | Professional & scientific | 1913 |
| Go Shinee Ltd | Wholesale & retail | 2025 |
| Go South Coast Limited | Transport & logistics | 2000 |
| Go Store Management Limited | Professional & scientific | 2020 |
| Go Wear Buses Limited | Professional & scientific | 1986 |
| Go West Midlands Limited | Professional & scientific | 1990 |
| Go-Ahead Events Services Limited | Professional & scientific | 2010 |
| Go-Ahead Finance Company | Administrative & support | 2003 |
| Go-Ahead Holding Limited | Professional & scientific | 2007 |
| Go-Ahead Leasing Limited | Professional & scientific | 2004 |
| Go-Ahead London Rail Limited | Transport & logistics | 2023 |
| Go-Ahead London Rail Replacement Services Limited | Transport & logistics | 2013 |
| Go-Ahead Newco (3) Limited | Transport & logistics | 2026 |
| Go-Ahead Property Development Limited | Professional & scientific | 2010 |
| Go-Ahead West Yorkshire Limited | Transport & logistics | 2025 |
| GO2 Travel Group Ltd | Transport & logistics | 2025 |
| GOA Health Limited | Health & social care | 2026 |
| Goat Drinks Ltd | Manufacturing | 2022 |
| Goblin Computing Limited | Information & communication | 2004 |
| GOC Construction Management Limited | Construction | 2015 |
| Gocomfort Heating & Engineering Services Ltd | Construction | 2026 |
| GOD Wealth City Tabernacle Church Country Ltd | Wholesale & retail | 2024 |
| God's Favour UK Ltd | Wholesale & retail | 2019 |
| Godefend Limited | Information & communication | 2019 |
| Godigital NE Ltd | Information & communication | 2021 |
| Gojj Ltd | Arts & recreation | 2025 |
| Gojoy Holidays Ltd | Administrative & support | 2026 |
| GOL Shipping Company Ltd | Wholesale & retail | 2026 |
| Gold Beauty Retail Ltd | Other services | 2025 |
| Gold Mount Property Group Limited | Real estate | 2024 |
| Gold Sheen Property Investments Limited | Real estate | 1997 |
| Gold Spice Limited | Hospitality | 2016 |
| Gold Star Haulage & Removals Limited | Other services | 2020 |
| Golden Bamboo Ltd | Transport & logistics | 2024 |
| Golden Book Accounting Solutions Ltd | Professional & scientific | 2025 |
| Golden Car Wash & Valeting Ltd | Administrative & support | 2025 |
| Golden Chippy Ltd | Hospitality | 2010 |
| Golden Choice Fashion Resort (Gcfr) Ltd | Manufacturing | 2025 |
| Golden Cords Limited | Professional & scientific | 2024 |
| Golden Dragon Footwear Limited | Manufacturing | 2009 |
| Golden Dragon Properties Limited | Real estate | 2009 |
| Golden Flower Investments Limited | Real estate | 2003 |
| Golden Food Ltd | Hospitality | 2020 |
| Golden Goals Ltd | Wholesale & retail | 2025 |
| Golden Gorilla Media Limited | Professional & scientific | 2021 |
| Golden Harvest (NE) Limited | Hospitality | 2012 |
| Golden Lucky Kitchen Ltd | Hospitality | 2023 |
| Golden Rice Tandoori Ltd | Hospitality | 2005 |
| Golden Stitch Newcastle Ltd | Other services | 2018 |
| Golden Supply - Fish & Poultry Limited | Wholesale & retail | 2025 |
| Golden Years and Growing Minds Limited | Health & social care | 2026 |
| Goldencowproperties Ltd | Real estate | 2025 |
| Goldenland 2025 Limited | Households | 2025 |
| Goldenpot Media Limited | Hospitality | 2014 |
| Goldie Plumbing and Heating Limited | Construction | 2022 |
| Goldstar Cleaners NE Limited | Administrative & support | 2021 |
| Goldstar Gym (Newcastle) Limited | Wholesale & retail | 2017 |
| Goldwaters Law LLP | | 2013 |
| Golf Course Road Property Management Ltd | Households | 2006 |
| Golf Design International Ltd | Professional & scientific | 2019 |
| Golightly Dental Care Limited | Health & social care | 2012 |
| Golightly on the GAS Ltd | Construction | 2022 |
| Gondal Properties Ltd | Real estate | 2022 |
| Good Buy Properties Ltd | Real estate | 2024 |
| Good Day Studio Ltd | Professional & scientific | 2020 |
| Good Diagnostics Inc. Limited | Professional & scientific | 2021 |
| Good Digital Living Limited | Information & communication | 2024 |
| Good Friend Services Limited | Wholesale & retail | 2016 |
| Good Taste (Sunderland) Ltd | Hospitality | 2011 |
| Good Vibez Caribbean Ltd. | Hospitality | 2019 |
| Goodfellow Country Homes Limited | Extraterritorial | 1993 |
| Goodfellows (Estate Agents) Limited | Real estate | 2015 |
| Goodharts Solicitors Limited | Professional & scientific | 2010 |
| Goodness Gracious Green Limited | Wholesale & retail | 2019 |
| Goodnewsproperty Limited | Real estate | 2025 |
| Goodwill Entertainments UK Ltd | Information & communication | 2021 |
| Goodwin Developments North East Limited | Real estate | 2022 |
| Goplay Limited | Information & communication | 2001 |
| Goprop Investment Ltd | Real estate | 2021 |
| Gopshop Cafe Limited | Hospitality | 2025 |
| Goraya & B Limited | Transport & logistics | 2025 |
| Gordon & Co (Surrey Hills) Ltd | Wholesale & retail | 2023 |
| Gordon Lamb (Washington) Limited | Financial services | 1991 |
| Gordon Richardson French Polishers Ltd | Construction | 2014 |
| Gordon Square Services Holdings Limited | Financial services | 2025 |
| Gorman Fisheries Ltd | Hospitality | 2025 |
| Gorman Hamilton Limited | Extraterritorial | 2014 |
| Gorman's Fish Bar Ltd | Hospitality | 2001 |
| Gormans Fish and Chips Limited | Hospitality | 2023 |
| Gormans Fish and Grill Ltd | Hospitality | 2025 |