| Gracia Consulting Limited | Information & communication | 2018 |
| Graft Clean Ltd | Administrative & support | 2025 |
| Graham & Press Auto Centre Limited | Wholesale & retail | 2013 |
| Graphite Global Limited | Real estate | 2010 |
| Gray & Sons Limited | Construction | 2012 |
| Great Hampton Freehold Limited | Real estate | 2025 |
| Great Yorkshire Taverns Ltd | Hospitality | 2024 |
| Green Boro Properties Ltd | Real estate | 2022 |
| Green Eco Ltd | Energy | 2024 |
| Greenhalgh Butchers Ltd | Wholesale & retail | 2025 |
| Greenhouse Grind Ltd | Wholesale & retail | 2026 |
| Greenleaf Financial Solutions Ltd | Extraterritorial | 2025 |
| Greenwood & Brown Veterinary Clinics Limited | Professional & scientific | 2007 |
| Grey Wolf Consultancy Limited | Professional & scientific | 2024 |
| Greyfield Agro Allied Ltd | Real estate | 2025 |
| Group Management Services Ltd | Health & social care | 2011 |
| Grovehall Group Limited | Real estate | 2016 |
| Gspark Ltd | Construction | 2024 |
| GT Tyres & Exhausts (Yorkshire) Ltd | Wholesale & retail | 2004 |
| GTM Roofing & Building Limited | Construction | 2024 |
| Guildhall Developments (Doncaster) Limited | Extraterritorial | 2015 |
| Guildhall Doncaster Limited | Extraterritorial | 2015 |
| Guildhall Yard Limited | Real estate | 2015 |
| Guttd Ltd | Manufacturing | 2023 |
| H G Stringer Limited | Construction | 2016 |
| H Unwin & Sons Limited | Construction | 2011 |
| H&C Joinery Ltd | Construction | 2019 |
| Haawk Holdings Ltd | Real estate | 2022 |
| Hacash Ltd | Hospitality | 2025 |
| Hague Park 1960 Limited | Extraterritorial | 2014 |
| Hair by Tonileigh Ltd | Other services | 2026 |
| Haldrew Consulting Limited | Professional & scientific | 2025 |
| Hall & Robinson Properties Limited | Real estate | 2025 |
| Halls NO1 Property Company Limited | Real estate | 2016 |
| Halman Properties Ltd | Real estate | 2024 |
| Halo LED Lighting Limited | Wholesale & retail | 2023 |
| Hamersham Holdings Limited | Financial services | 2018 |
| Hamersham Limited | Information & communication | 2004 |
| Hamilton & Croft Ltd | Construction | 2004 |
| Hamilton and Croft Plumbing Ltd. | Administrative & support | 2017 |
| Hammond P&Eica Commissioning Ltd | Water & waste | 2025 |
| Hand Car Wash 35 Ltd | Administrative & support | 2026 |
| Hannah Davies Limited | Real estate | 2016 |
| Hannibal Holdings Limited | Professional & scientific | 2015 |
| Hanson Steel Buildings Limited | Extraterritorial | 2014 |
| Happiest Limited | Information & communication | 2015 |
| Happy Candy UK Ltd | Wholesale & retail | 2019 |
| Happy Couriers Services Ltd | Other services | 2025 |
| Happy Soul by Crown Ltd | Wholesale & retail | 2022 |
| Harden Property Developments Limited | Real estate | 1991 |
| Hardwick House Management Company Limited | Households | 2015 |
| Hardwick Plant Ltd | Administrative & support | 2014 |
| Hardwick Utilities Ltd | Construction | 2021 |
| Harewood Interiors Limited | Professional & scientific | 2018 |
| Harlow Rose Consulting Limited | Information & communication | 2024 |
| Harry Carter Motorsport Ltd | Manufacturing | 2026 |
| Harvey Excavations Yorkshire Ltd | Construction | 2025 |
| Hashtag Hair NA Ltd | Other services | 2024 |
| Hausz Freight Limited | Transport & logistics | 2025 |
| Havan Properties and Housing Limited | Real estate | 2024 |
| Haven Court Pontefract Ltd | Real estate | 2025 |
| Hawthorne Lettings Ltd | Real estate | 2026 |
| Hayden Turfcare Limited | Professional & scientific | 2016 |
| Hbros Consultancy Ltd | Information & communication | 2024 |
| HCC Yorkshire Limited | Other services | 2022 |
| Headhunters Academy Pontefract Ltd | Education | 2025 |
| Headhunters Salons Ltd | Other services | 2018 |
| Headmasters UK Ltd | Real estate | 2009 |
| Headstrong Co Emotional Wellbeing Ltd | Administrative & support | 2025 |
| Healing Partners Limited | Health & social care | 2010 |
| Healthcare Furniture Solutions Limited | Wholesale & retail | 2011 |
| Healthcare With Love UK Ltd | Health & social care | 2025 |
| Heat HQ LLP | | 2024 |
| Heat Smart Yorkshire Ltd | Construction | 2026 |
| Heatec Solutions Limited | Wholesale & retail | 2019 |
| Heating Supermarket Limited | Extraterritorial | 2010 |
| Heatwise GAS & Electrical Ltd | Construction | 2025 |
| Heaven Juice Limited | Wholesale & retail | 2022 |
| Heavenly Food Limited | Wholesale & retail | 2009 |
| Helen Cockerham Consulting Ltd | Administrative & support | 2024 |
| Hembry High Voltage Services Limited | Administrative & support | 2016 |
| Hemsworth Flooring Ltd | Wholesale & retail | 2025 |
| Hemsworth Miners Welfare Football Club CIC | Arts & recreation | 2017 |
| Hemzo Ltd | Hospitality | 2020 |
| Hepworth Student Properties Limited | Real estate | 2019 |
| Hepworth Student Services Ltd | Real estate | 2014 |
| Herdie Ltd | Real estate | 2023 |
| Heron & Dace Limited | Other services | 2009 |
| Hetty and Betty Limited | Wholesale & retail | 2016 |
| Hexagon Properties (Morley) Ltd | Construction | 2008 |
| Hexagon Properties (Selby) Ltd | Construction | 2008 |
| Hexagon Properties Limited | Construction | 1992 |
| HFC Haulage Ltd | Transport & logistics | 2022 |
| HG Apex Logistics Limited | Transport & logistics | 2026 |
| Hgss Ltd | Manufacturing | 2021 |
| HHF Property Limited | Real estate | 2026 |
| HHO Properties Limited | Real estate | 2022 |
| Hi-Magnet Ltd | Information & communication | 2024 |
| Hidalgo Professional Services Ltd | Professional & scientific | 2009 |
| Hidden Pretty Gifts Ltd | Wholesale & retail | 2022 |