| Gegladod Ltd | Wholesale & retail | 2015 |
| Geguk Ltd | Transport & logistics | 2024 |
| Gelsthorpe Development Limited | Construction | 2023 |
| Gelusio Ltd | Wholesale & retail | 2020 |
| GEM Assets Ltd | Real estate | 2020 |
| GEM Construction (York) Limited | Construction | 2013 |
| GEM Construction Group Ltd | Construction | 2025 |
| GEM Digital Marketing Ltd | Wholesale & retail | 2025 |
| GEM Holdings (York) Limited | Construction | 2012 |
| GEM Music Ltd | Arts & recreation | 2010 |
| GEM Precast Limited | Construction | 2016 |
| GEM Projects (York) Limited | Construction | 2023 |
| GEM Properties Leeds Ltd | Real estate | 2023 |
| GEM Trading Estates Limited | Construction | 2022 |
| Gemini (York) Limited | Construction | 2022 |
| Gemini 1214 Recruitment Ltd | Administrative & support | 2025 |
| Gemini Carpets & Flooring Ltd | Wholesale & retail | 2022 |
| Gemini Hair Salon Ltd | Other services | 2024 |
| Gems Bloodstock Ltd | Agriculture & fishing | 2025 |
| Gene Hunt Limited | Real estate | 2015 |
| General Service Board of Alcoholics Anonymous (Great Britain) Limited(The) | Health & social care | 1957 |
| Generate Future Limited | Information & communication | 2014 |
| Generate Limited | Professional & scientific | 2004 |
| Generation Builds Ltd | Hospitality | 2022 |
| Genesis Engineering Consulting Ltd | Professional & scientific | 2025 |
| Genesis Sounds Ltd | Information & communication | 2022 |
| Genesis Studios Ltd | Information & communication | 2021 |
| Genevieve Davies Limited | Extraterritorial | 2009 |
| Genevieve French Limited | Extraterritorial | 2004 |
| Genevieve Limited | Extraterritorial | 2022 |
| Genevieve Rose Limited | Extraterritorial | 2004 |
| Genhome Limited | Construction | 2012 |
| Genie Agri Limited | Wholesale & retail | 2026 |
| Genie Clean Limited | Wholesale & retail | 2024 |
| Genie Tree Ltd | Professional & scientific | 2019 |
| Genius & ME Limited | Professional & scientific | 2011 |
| Genta Environmental Limited | Wholesale & retail | 1992 |
| Genting Hays Ltd | Information & communication | 2024 |
| Genuine Builders Limited | Construction | 2007 |
| Geo.Wright & Co.(Contractors Wolverhampton)Limited | Extraterritorial | 1943 |
| Geoff Acomb & Sons Limited | Construction | 2015 |
| Geoff Harker Racing Limited | Arts & recreation | 2014 |
| Geoff Neal (Roofing) Limited | Construction | 1995 |
| Geoprint 3D Ltd | Professional & scientific | 2025 |
| George Chapman (Norton) Limited | Wholesale & retail | 1965 |
| George Chapman (York) Limited | Wholesale & retail | 1961 |
| George Hadfield & Company Limited | Extraterritorial | 2002 |
| George Hudson Court (York) Management Company Limited | Households | 2008 |
| George Ward Gardens (Melksham) Management Company Limited | Households | 2016 |
| George Woodall & Sons,Limited | Manufacturing | 1926 |
| George Yates Limited | Arts & recreation | 2006 |
| George-Claudiu Feraru Healthcare Limited | Health & social care | 2022 |
| Georgiou Management Ltd | Manufacturing | 2023 |
| Geosolve LLP | | 2025 |
| Geosolve(Uk) Limited | Information & communication | 2021 |
| Germany Beck (Fulford) Management Company Limited | Real estate | 2018 |
| Gerymor (Saundersfoot) Residents Management Company Limited | Households | 2025 |
| GET Branded Workwear Limited | Wholesale & retail | 2022 |
| GET Busy Living Limited | Real estate | 2007 |
| GET Cycling CIC | Other services | 2008 |
| GET Into Gear Ltd | Information & communication | 2020 |
| GET Jasper Ltd | Information & communication | 2026 |
| GET Playing Ltd | Education | 2024 |
| Geta Healthcare Resources Ltd | Administrative & support | 2026 |
| Getaway Cabs York Limited | Transport & logistics | 2021 |
| Getaway Cars (York) Ltd | Transport & logistics | 2012 |
| Getaway Fleet Services Ltd | Administrative & support | 2017 |
| GF Accountancy (York) Limited | Professional & scientific | 2024 |
| Gfea Limited | Real estate | 2006 |
| GFG Food Ltd | Professional & scientific | 2023 |
| GFM International Limited | Wholesale & retail | 2004 |
| Gforce Davey Ltd | Arts & recreation | 2024 |
| GFS Marketing Ltd | Information & communication | 2019 |
| GG-357-663 Limited | Real estate | 2021 |
| GG-510-376 Limited | Real estate | 2021 |
| GH & JA Shinn Limited | Construction | 2016 |
| GH Farm & Contracting Limited | Agriculture & fishing | 2026 |
| GH Holme Search Ltd | Professional & scientific | 2014 |
| Gh&Sons Limited | Wholesale & retail | 2025 |
| Ghakh Ltd | Health & social care | 2023 |
| Ghana Scholarly Society Global Ltd | Information & communication | 2022 |
| Ghost & Hellion Ltd | Wholesale & retail | 2026 |
| Ghostlight Talent Limited | Professional & scientific | 2026 |
| GHT Developments LLP | | 2006 |
| GHW Properties Limited | Real estate | 2017 |
| Giant Bradley's Sweet Shop Ltd | Wholesale & retail | 2021 |
| Giant Fish Limited | Extraterritorial | 2015 |
| Gibs & Sand Investments Ltd | Real estate | 2024 |
| Gibson Canopy Solutions Limited | Other services | 2019 |
| Giddings Property Management Limited | Real estate | 2017 |
| Gift Pitch Ltd | Administrative & support | 2025 |
| Gifted Sweets Ltd | Wholesale & retail | 2025 |
| Gigaworks Consulting Ltd | Information & communication | 2018 |
| Gigi & Dove Limited | Other services | 2024 |
| Gilbert & Gabriel Ltd | Wholesale & retail | 2025 |
| Gilbertson Estate Ltd | Hospitality | 2025 |
| Gilchrist's of Boroughbridge Ltd | Wholesale & retail | 2025 |
| Giles Carter Consulting Ltd | Professional & scientific | 2014 |
| Gill Johnson Limited | Professional & scientific | 2008 |
| Gill Property Consultancy Limited | Administrative & support | 2024 |