| GAT Consultants Ltd | Financial services | 2020 |
| Gate of India Takeaway Limited | Hospitality | 2025 |
| GATE57 Limited | Real estate | 2018 |
| Gatedene Developments Limited | Wholesale & retail | 1960 |
| Gatenbysanderson Holdings Limited | Administrative & support | 2014 |
| Gatenbysanderson Limited | Administrative & support | 2002 |
| Gatenbysanderson Midco Limited | Administrative & support | 2014 |
| Gateside Management Services Limited | Professional & scientific | 2018 |
| Gateway Building Contractors Limited | Construction | 2019 |
| Gateway Buildings Trust | Other services | 2007 |
| Gateway Church | Other services | 2001 |
| Gateway Consulting Ltd | Information & communication | 2022 |
| Gateway Dwellings Ltd | Real estate | 2025 |
| Gateway Homes Rentals UK Limited | Real estate | 2006 |
| Gateway Homes UK Limited | Real estate | 1996 |
| Gateway Hygiene Limited | Professional & scientific | 1999 |
| Gateway Technology Limited | Information & communication | 2025 |
| GATEWAYLS12 Limited | Hospitality | 2024 |
| Gateways Educational Trust Limited | Education | 1961 |
| Gatewood Consulting Ltd | Professional & scientific | 2010 |
| Gather Outdoors Limited | Wholesale & retail | 2015 |
| Gathering Futures Ltd | Education | 2024 |
| Gatley View Ltd | Wholesale & retail | 2026 |
| Gatsby Property Limited | Construction | 2013 |
| Gatsby Property Management Ltd | Real estate | 2024 |
| Gaulton Academy of Martial Arts Ltd | Education | 2026 |
| Gaunt Consultancy Ltd | Professional & scientific | 2025 |
| Gauntlet (Wakefield) Limited | Financial services | 2015 |
| Gauntlet First AID (Holdings) Limited | Financial services | 1997 |
| Gauntlet Health & Safety Ltd | Professional & scientific | 1998 |
| Gauntlet Mcdaid Insurance Brokers Ltd | Professional & scientific | 2021 |
| Gauntlet Premium Finance Ltd | Financial services | 2022 |
| Gauntlet Risk Management Limited | Financial services | 1999 |
| Gaunts Limited | Real estate | 1896 |
| Gaunts Properties Limited | Real estate | 2005 |
| Gava Ltd | Other services | 2025 |
| Gave Care Limited | Wholesale & retail | 2023 |
| Gavin Davies Limited | Information & communication | 2022 |
| Gavin Emmett Media Ltd | Information & communication | 2009 |
| Gawber Village Ltd | Wholesale & retail | 2011 |
| Gawthrop Construction Services Limited | Construction | 2025 |
| GAY Pressies Ltd | Wholesale & retail | 2026 |
| Gayhurst Limited | Real estate | 2018 |
| Gaztan Limited | Professional & scientific | 2024 |
| GB & Sons Groundworks Ltd | Construction | 2024 |
| GB (Bristol One) Limited | Financial services | 2026 |
| GB (Park ROW Leeds) Limited | Financial services | 2017 |
| GB (ST Michael's Manchester) Limited | Financial services | 2023 |
| GB (ST Philips Birmingham) Limited | Real estate | 2017 |
| GB (York Street Manchester) Limited | Financial services | 2022 |
| GB 549 BPR Ltd | Real estate | 2025 |
| GB Apex Building Ltd | Construction | 2026 |
| GB Armitage Ventilation Limited | Manufacturing | 2012 |
| GB Catering Supplies Ltd | Administrative & support | 2019 |
| GB Consulting Ltd | Professional & scientific | 2022 |
| GB Dentique Ltd | Health & social care | 2024 |
| GB Eco-Surveying Ltd | Construction | 2026 |
| GB Flooring Group Ltd | Construction | 2019 |
| GB H&P UK Ltd | Construction | 2025 |
| GB Joinery Leeds Ltd | Construction | 2023 |
| GB Moves Ltd | Transport & logistics | 2018 |
| GB Premier Feet Ball League Limited | Arts & recreation | 2024 |
| GB Properties Leeds Limited | Real estate | 2019 |
| GB Reflections Limited | Health & social care | 2014 |
| GB Taxi Services Limited | Administrative & support | 2011 |
| GB Viva Limited | Hospitality | 2016 |
| Gb.Ad Installations Ltd | Construction | 2023 |
| GB1 Chauffeur Tours Ltd | Transport & logistics | 2015 |
| GBB Services Ltd | Administrative & support | 2020 |
| Gbcc Events Limited | Education | 2026 |
| Gbcservices Ltd | Administrative & support | 2017 |
| Gbe-N (Gwyndod) Limited | Administrative & support | 2026 |
| GBH Communications Ltd | Professional & scientific | 2020 |
| GBH Realisations Limited | Health & social care | 2006 |
| Gbheat Leeds Limited | Construction | 2025 |
| Gbis Insulation Ltd | Construction | 2024 |
| GBK Solutions Ltd | Manufacturing | 2022 |
| GBL Roofing & Building Ltd | Construction | 2026 |
| Gbolahan Olaniyi and Associates Limited | Wholesale & retail | 2022 |
| GBP Holdings Limited | Financial services | 2015 |
| GBP Independent Social Work Ltd | Health & social care | 2026 |
| Gbristyles Limited | Wholesale & retail | 2016 |
| GBS1 Ltd | Construction | 2025 |
| GC Design and Build Limited | Construction | 2023 |
| GC Facilities (Leeds) Limited | Administrative & support | 2024 |
| GC Keyholding Limited | Administrative & support | 2015 |
| GC Pablo Transport Ltd | Transport & logistics | 2023 |
| GC Tea Rooms Ltd | Hospitality | 2025 |
| Gcbps Ltd | Real estate | 2024 |
| GCC Enterprises Ltd | Real estate | 2019 |
| Gcen Technologies Ltd | Information & communication | 2024 |
| GCF 68 Limited | Hospitality | 2022 |
| GCF Consultancy Ltd | Professional & scientific | 2025 |
| GCI Group Rentals Ltd | Households | 2020 |
| GCK Holdings Limited | Real estate | 2026 |
| GCK Subs Ltd | Wholesale & retail | 2024 |
| GCN Football Coaching & Welbeing Ltd | Arts & recreation | 2024 |
| GCS (Wakefield) Ltd | Manufacturing | 2018 |
| GCS Hotels (Bradford) Limited | Professional & scientific | 1983 |
| Gcseschool LLP | | 2018 |