| GLO Nails Spa Limited | Other services | 2025 |
| Global Capital Investment Ltd | Wholesale & retail | 2013 |
| Global Consultant Solutions Ltd | Professional & scientific | 2026 |
| Global National Local Investment & Enterprise Ltd | Administrative & support | 2014 |
| Global Premium Trade Ltd | Wholesale & retail | 2024 |
| Global Retail Associates Limited | Administrative & support | 2012 |
| Global Retail Display Group Ltd | Manufacturing | 2024 |
| Global Sunshine Distribution Limited | Wholesale & retail | 2012 |
| Global Work Permits Limited | Professional & scientific | 2022 |
| Globepac UK Ltd | Wholesale & retail | 2026 |
| Globex Industries Ltd | Information & communication | 2018 |
| Glory Builder Ltd | Construction | 2022 |
| Glovebox Limited | Financial services | 2013 |
| Glowup Essentials Limited | Wholesale & retail | 2024 |
| GMC Signature Catering Limited | Hospitality | 2014 |
| GML Trans Ltd | Transport & logistics | 2016 |
| GMS Childcare Services Ltd | Other services | 2017 |
| GNF Services Ltd | Construction | 2017 |
| Go Epos Limited | Information & communication | 2010 |
| Go Group Travel Limited | Transport & logistics | 2025 |
| Go Interiors Limited | Wholesale & retail | 2001 |
| Go-Cycle Limited | Extraterritorial | 2008 |
| Go-Cycles Limited | Extraterritorial | 2008 |
| Goddess Therapies Limited | Other services | 2023 |
| Godfreys Fish and Chip Company Ltd | Hospitality | 2011 |
| Gohan Company Limited | Extraterritorial | 2000 |
| GOKCE29 Ltd | Hospitality | 2025 |
| Gold Cars 1 Limited | Wholesale & retail | 2021 |
| Golden Construction 2007 Ltd | Construction | 2020 |
| Golden Eagle Petfoods Co Ltd | Manufacturing | 2009 |
| Golden Express Ltd | Hospitality | 2026 |
| Golden Groomers Ltd | Wholesale & retail | 2022 |
| Golden Painting Limited | Construction | 2019 |
| Golden Ridge Limited | Real estate | 2025 |
| Golden Saffron Ltd | Wholesale & retail | 2003 |
| Goldenhands R&C Cleaning Services Limited | Administrative & support | 2022 |
| Goldhouse Property Limited | Real estate | 2024 |
| Goldmarque Solutions Limited | Real estate | 2008 |
| Goldmere Solutions Limited | Health & social care | 2008 |
| Goldstar Cargo Limited | Transport & logistics | 2021 |
| Golf Getaway Competitions Ltd | Arts & recreation | 2025 |
| Golf Tourism Network Ltd | Professional & scientific | 2021 |
| Golfingonline Limited | Professional & scientific | 2000 |
| Gomocanu Ltd | Extraterritorial | 2018 |
| Good EGG Management Consultants Ltd | Professional & scientific | 2024 |
| Good GP Ltd | Health & social care | 2020 |
| Good Move Properties Ltd | Real estate | 2024 |
| Gopro Fitters Ltd | Construction | 2020 |
| Gopro Investments Ltd | Real estate | 2023 |
| Gotta Sell 'EM ALL Ltd | Wholesale & retail | 2024 |
| GPI Tiling Ltd | Construction | 2025 |
| GPS Retailers Ltd | Wholesale & retail | 2026 |
| Graa Construction Limited | Construction | 2024 |
| Grab a CAB Ltd | Transport & logistics | 2014 |
| Grabdiz UK Limited | Wholesale & retail | 2025 |
| Graffo Ltd | Professional & scientific | 2014 |
| Graft Developments Limited | Wholesale & retail | 2009 |
| Grammarholic Ltd | Administrative & support | 2015 |
| Grand Designs Window Dressings Limited | Wholesale & retail | 2012 |
| Grand Maintenance Specialists Ltd | Administrative & support | 2023 |
| Grant Associates (UK) Ltd | Real estate | 2012 |
| Grants Close Ltd | Real estate | 2022 |
| Gratton Property Group Ltd | Real estate | 2025 |
| Gravity Development Management Consultancy Limited | Professional & scientific | 2024 |
| Gravity Ltd | Hospitality | 2019 |
| Greece House Limited | Hospitality | 2023 |
| Green 2 Limited | Construction | 2025 |
| Green a Limited | Wholesale & retail | 2005 |
| Green Beans Properties Ltd | Real estate | 2024 |
| Green Envee Ltd | Wholesale & retail | 2016 |
| Green Field Trading Ltd | Wholesale & retail | 2025 |
| Green Gate Limited | Hospitality | 2026 |
| Green Grid Electrical Ltd | Construction | 2024 |
| Green Hornet Limited | Wholesale & retail | 2005 |
| Green Puzzle Ltd | Administrative & support | 2020 |
| Green Sellers Limited | Hospitality | 2016 |
| Greenish ORA UK Limited | Wholesale & retail | 2025 |
| Greenshow Property Limited | Real estate | 2023 |
| Greenstone Builders Ltd | Construction | 2025 |
| Greg&Meg Property Ltd | Real estate | 2024 |
| Gregories Holdings Limited | Real estate | 2020 |
| Grig Construction Ltd | Construction | 2025 |
| Grill & Go UK Ltd | Hospitality | 2019 |
| Grill Station Luton Ltd | Other services | 2024 |
| Grim Reaper Foods Limited | Manufacturing | 2009 |
| Grounds & Garden Maintenance Ltd | Administrative & support | 2026 |
| Group Rehab Limited | Construction | 2016 |
| Grow More Capital Limited | Financial services | 2024 |
| Grow Studio Limited | Professional & scientific | 2025 |
| Grucha Construction Ltd | Other services | 2015 |
| Grundsund Ltd | Manufacturing | 2017 |
| GSC Engineering Ltd | Manufacturing | 2014 |
| GSD Advisory Ltd | Professional & scientific | 2025 |
| GTI Contractors Ltd | Construction | 2021 |
| GTV Trans Limited | Transport & logistics | 2018 |
| Guava Remarketing Ltd | Wholesale & retail | 2025 |
| Guest Inn Services Ltd | Real estate | 2025 |
| Guga Home Improvement Ltd | Construction | 2024 |
| Guidance Angels Limited | Administrative & support | 2017 |
| GUIDANCE2GUIDANCE Limited | Health & social care | 2023 |