| Gani Financial Ltd | Information & communication | 2017 |
| Gannaway IT Consulting Limited | Information & communication | 2011 |
| Ganoi Properties Ltd | Real estate | 2018 |
| Ganovieira Limited | Information & communication | 2025 |
| Ganson UK Ltd | Construction | 2009 |
| Ganymede Advisors Limited | Financial services | 2022 |
| Gaoirean Hydro Ltd | Energy | 2017 |
| Gaothmhor Holdings Limited | Administrative & support | 2018 |
| Gaoxingshi Bakery Ltd | Hospitality | 2025 |
| GAP Krunch Ltd | Education | 2016 |
| GAP Systems Limited | Information & communication | 2001 |
| Gapanta Limited | Health & social care | 2021 |
| Gapco Autos Ltd | Wholesale & retail | 2025 |
| Gaping Goose Garforth Limited | Hospitality | 2016 |
| Garado Ltd | Other services | 2019 |
| Garage Creative Limited | Professional & scientific | 2015 |
| Garage Re-Vamps (Property) Ltd | Real estate | 2004 |
| Garage Re-Vamps Ltd. | Manufacturing | 2001 |
| Garage Specialists Limited | Wholesale & retail | 2026 |
| Garagelux Ltd | Construction | 2022 |
| Garbett Finance Limited | Professional & scientific | 2026 |
| Garcia's Fish & Chips Limited | Wholesale & retail | 2020 |
| Garcross Engineering Limited | Manufacturing | 2002 |
| Garden Books UK Ltd | Wholesale & retail | 2026 |
| Garden House Securities Limited | Real estate | 2025 |
| Garden of India (York) Limited | Hospitality | 2016 |
| Garden Revamps (Yorkshire) Limited | Administrative & support | 2022 |
| Garden View Court (Leeds) Freehold Limited | Households | 2009 |
| Garden View Court (Maintenance Phase 1) Limited | Households | 1968 |
| Gardeners Arms Limited | Hospitality | 2012 |
| Gardenhurst Management Company Ltd | Households | 2001 |
| Gardentec Parts Limited | Other services | 2021 |
| Garenne Shopfitting Limited | Construction | 1999 |
| Gareth Davies Productions Limited | Information & communication | 2007 |
| Gareth Vance Ltd | Other services | 2023 |
| Garforth Building Supplies Limited | Wholesale & retail | 1982 |
| Garforth Car Wash Limited | Administrative & support | 2005 |
| Garforth Cars (Contracts) Limited | Transport & logistics | 1993 |
| Garforth Day Nursery Ltd | Health & social care | 2010 |
| Garforth Displays & Maintenance Limited | Other services | 2007 |
| Garforth Electrics (Domestic Division) | | 1994 |
| Garforth Fine Foods Limited | Wholesale & retail | 2012 |
| Garforth Golf Club,Limited(The) | Arts & recreation | 1912 |
| Garforth Golf Range Limited | Wholesale & retail | 2002 |
| Garforth Hand Car Wash Limited | Other services | 2019 |
| Garforth Haulage Limited | Transport & logistics | 1981 |
| Garforth Mechanical Services Ltd | Construction | 2011 |
| Garforth Mini Market Limited | Wholesale & retail | 2025 |
| Garforth Mobiles & Laptops Repairs Limited | Wholesale & retail | 2018 |
| Garforth Panel Beaters Limited | Wholesale & retail | 1984 |
| Garforth Rangers Association Football Club Limited | Arts & recreation | 2013 |
| Garforth Timber Ltd | Manufacturing | 2022 |
| Garforth Town AFC Limited | Arts & recreation | 2014 |
| Garforth Villa Football Club Limited | Education | 2020 |
| Garg Immigration Advisory Limited | Professional & scientific | 2026 |
| Garland Legal Limited | Professional & scientific | 2024 |
| Garmic Properties Limited | Real estate | 2020 |
| Garmont Management Limited | Households | 2023 |
| Garnet Jade Limited | Wholesale & retail | 2022 |
| Garnet PR Limited | Professional & scientific | 2021 |
| Garnett Dickinson Holdings Limited | Professional & scientific | 1891 |
| Garnett Netherwood Architects Limited | Professional & scientific | 1995 |
| Garnett Wire Limited | Manufacturing | 1991 |
| Garnetts Electronics Ltd | Wholesale & retail | 2023 |
| Garnham & Nicoll Forensic Psychiatry Limited | Health & social care | 2026 |
| Garnoph Ltd | Real estate | 2024 |
| Garolla Holdings Limited | Financial services | 2020 |
| Garolla Limited | Manufacturing | 2017 |
| Garoushi Consultancy Limited | Health & social care | 2021 |
| Garrison Garage Limited | Wholesale & retail | 2019 |
| Garrison Self Drive Ltd | Administrative & support | 2022 |
| Garry's Properties Ltd. | Construction | 2021 |
| Garsan Premier Ltd | Wholesale & retail | 2024 |
| Garsonix Ltd | Information & communication | 2012 |
| Garstrake Limited | Real estate | 2003 |
| Garten Holdings Limited | Administrative & support | 2017 |
| Garth Drive Flats (Maintenance) Limited | Households | 1976 |
| Garth Investments Limited | Real estate | 2022 |
| Garwe Resources Limited | Health & social care | 2017 |
| Gary & Alan Limited | Real estate | 2020 |
| Gary Bradley Construction Management Ltd | Construction | 2025 |
| Gary DON Auctioneers Limited | Transport & logistics | 1987 |
| Gary DON Valuers Ltd | Wholesale & retail | 2020 |
| Gary Hartley-Farrar Limited | Other services | 2018 |
| Gary Silver Joinery Ltd | Construction | 2020 |
| Gary Stuart Weir Limited | Administrative & support | 2016 |
| Gary White Plumbing and Heating Engineer Ltd | Construction | 2013 |
| GAS Admin Services Limited | Other services | 2016 |
| GAS and Electrical World Limited | Wholesale & retail | 2020 |
| GAS Connections Limited | Administrative & support | 2001 |
| GAS Detection Equipment Ltd | Manufacturing | 2014 |
| GAS Detection International Limited | Manufacturing | 2018 |
| GAS Detection Services Limited | Manufacturing | 1997 |
| GAS House Tavern Management Company Limited | Real estate | 2023 |
| Gasico Energy Limited | Wholesale & retail | 2020 |
| Gaslon Limited | Construction | 2014 |
| Gaspert Ltd | Construction | 2021 |
| Gassingitup Ltd | Construction | 2025 |
| Gastropath Limited | Health & social care | 2013 |
| Gaswise Engineering Limited | Construction | 2023 |