| Grass Roots Private Day Nursery Ltd | Health & social care | 2017 |
| Great Clothes Limited | Wholesale & retail | 1973 |
| Green Cross Fire Security Limited | Extraterritorial | 1972 |
| Green Maintenance (Wakefield) Limited | Construction | 2014 |
| Green Maintenance Services Limited | Construction | 2016 |
| Green View Projects Electrical Division Limited | Construction | 2015 |
| Greenstreak Cards Ltd | Wholesale & retail | 2026 |
| Guliano Pizzeria Limited | Hospitality | 2020 |
| H & H Properties EST 2024 Ltd | Real estate | 2024 |
| H E Lupton and Sons (1952) Limited | Manufacturing | 1952 |
| H.R. Goodale (Northern) Limited | Transport & logistics | 1979 |
| H.T.L. Properties Limited | Real estate | 1989 |
| Habasit (UK) Limited | Manufacturing | 1999 |
| Habergham Limited | Professional & scientific | 2019 |
| Hack UP Bespoke Ltd | Wholesale & retail | 2017 |
| Haji Tours Limited | Administrative & support | 2012 |
| Halcyon Living Lets Limited | Real estate | 2012 |
| Halcyon Living Space Limited | Construction | 2018 |
| Halestone Masonry Ltd | Manufacturing | 2016 |
| Haley (Yorkshire) Holdings Limited | Financial services | 2013 |
| Halifax Ironworks Ltd | Manufacturing | 2001 |
| Halifax Security Ltd | Administrative & support | 2011 |
| Hamlet PD Limited | Real estate | 2021 |
| Handy Group Limited | Hospitality | 2015 |
| Hardbattle International Limited | Information & communication | 2021 |
| Hardy's Bar Limited | Hospitality | 2018 |
| Harnessflex (Export) Limited | Other services | 2018 |
| Harnessflex Limited | Other services | 2018 |
| Harwal Waterside Management Company Limited | Households | 2017 |
| Hatton Manor RTM Company Limited | Households | 2014 |
| Haven Holdings Herefordshire Limited | Real estate | 2021 |
| Hawkshead Grange Management Company Limited | Households | 2020 |
| Hcip Limited | Construction | 2011 |
| Headlands Garage Limited | Real estate | 2012 |
| Heath Park Trading Ltd | Wholesale & retail | 2013 |
| Heathleigh Limited | Real estate | 1982 |
| Heavily Tandoori Limited | Hospitality | 2017 |
| Hebble Brook View Management Company Limited | Households | 2022 |
| Helme Lodge Homes and Gardens Limited | Households | 1996 |
| Henry Oliver Music Limited | Information & communication | 2023 |
| Herba Trans Limited | Transport & logistics | 2014 |
| Heritage Mill (Golcar) Management Limited | Households | 2007 |
| Heritage Property Design Ltd | Construction | 2022 |
| Heritage PS Limited | Administrative & support | 2023 |
| Hewitt Hospitality & Holdings Ltd | Hospitality | 2024 |
| HEX Physio Ltd | Health & social care | 2025 |
| Heywood Court Management Company Limited | Households | 2001 |
| Hidok Express Ltd | Transport & logistics | 2019 |
| High Standard Cleaning Services International Ltd | Administrative & support | 2023 |
| Highcroft Productions Limited | Administrative & support | 2009 |
| Highcroft Properties Limited | Real estate | 2013 |
| Highfield House Care Home (Heywood) Limited | Health & social care | 2017 |
| Highfield Manor Care Home Limited | Health & social care | 2017 |
| Hightrees Property Limited | Real estate | 2018 |
| Hill Top Taverns Ltd | Hospitality | 2015 |
| Hilton Process Solutions Limited | Manufacturing | 2002 |
| HIW Limited | Manufacturing | 2017 |
| HJ Telecommunications Ltd | Information & communication | 2022 |
| HLD (Manchester) Limited | Construction | 2015 |
| Hodgson HEY Group Limited | Financial services | 2025 |
| Hodgson HEY Limited | Professional & scientific | 2011 |
| Holdsworth Group Limited | Professional & scientific | 2022 |
| Hollie Oliver Limited | Health & social care | 2016 |
| Hollingworth Inspection Services Limited | Mining & quarrying | 2018 |
| Hollins Lane Management Limited | Households | 2006 |
| Holly Tree Mews Management Company Limited | Households | 2016 |
| Holme House Farm Management Company Limited | Real estate | 2017 |
| Homes by Quinta Limited | Construction | 2021 |
| Horley Green Court Management Company (Halifax) Limited | Extraterritorial | 2000 |
| Horrocks E-Company Ltd | Arts & recreation | 2022 |
| Hotel Tamarisk Limited | Hospitality | 2024 |
| House of Foxy Holdings Limited | Financial services | 2024 |
| Howard Hardy (London) Ltd | Wholesale & retail | 2009 |
| Hoyles Fire & Safety Limited | Other services | 1991 |
| Hoyles Limited | Other services | 1973 |
| Huddersfeild Car Sales Ltd | Wholesale & retail | 2024 |
| Huddersfield Fine Worsteds Limited | Wholesale & retail | 2004 |
| Hunslet Green (Leeds) Management Company Limited | Households | 1993 |
| Hunter and Wolfe Limited | Professional & scientific | 2024 |
| Huntsman Logistics Limited | Real estate | 2012 |
| Huntsman Recruitment Limited | Administrative & support | 2012 |
| Hush & Hear Newborn Hearing Screening by Amanda Limited | Health & social care | 2025 |
| HWB Ltd | Administrative & support | 2001 |
| HX5 Events and Packages Limited | Arts & recreation | 2025 |
| HX5 Property Consultants Ltd | Construction | 2018 |
| Hydro Fire Limited | Manufacturing | 2006 |
| I Haigh Forklift Solutions Limited | Manufacturing | 2012 |
| I M Vehicle Solutions Limited | Administrative & support | 2009 |
| Iface IT Limited | Information & communication | 2019 |
| Ifour Hospitality Design Ltd | Manufacturing | 2016 |
| Ifour London Ltd | Professional & scientific | 2021 |
| Ifour Properties Limited | Real estate | 2025 |
| Imperial Forecourts Ltd | Wholesale & retail | 2019 |
| Industrial Power and Engineering Limited | Manufacturing | 2006 |
| Industry Security UK Limited | Administrative & support | 2014 |
| Inevent Branding Limited | Professional & scientific | 2015 |
| Infusion 5-5 Limited | Other services | 2025 |
| Inomed Health Limited | Wholesale & retail | 2009 |
| Inscape Property Marketing Limited | Real estate | 2025 |
| Integrated Air Conditioning Limited | Construction | 2015 |