| Green Key Lets Ltd | Real estate | 2024 |
| Green Key Property Group Ltd | Real estate | 2024 |
| Green Key Property Services Ltd | Real estate | 2026 |
| Green Key Residential Ltd | Real estate | 2025 |
| Green Key Sales Ltd | Real estate | 2025 |
| Green Street Brands Limited | Wholesale & retail | 2024 |
| Green Ventures Gardening Supplies Ltd | Wholesale & retail | 2021 |
| Greenbank Court Limited | Real estate | 2008 |
| Greenbase L & P Ltd | Construction | 2019 |
| Greendene Development Limited | Construction | 2024 |
| Greendene Group Limited | Real estate | 2025 |
| Greendene Residential Limited | Real estate | 2023 |
| Greenexp Ltd | Agriculture & fishing | 2024 |
| Greenhow Plant Engineering Ltd | Manufacturing | 2015 |
| Greenwood Heating, Plumbing and Renewables Ltd | Construction | 2021 |
| Group 58 Limited | Water & waste | 2024 |
| GS Nice Food Ltd | Hospitality | 2022 |
| GT Technical Ltd | Administrative & support | 2016 |
| H & H Rural Living Ltd | Real estate | 2025 |
| H Lawson Properties Ltd | Real estate | 2025 |
| H Simpson Holdings Ltd | Professional & scientific | 2023 |
| H Simpson IP Ltd | Administrative & support | 2023 |
| H Simpson Properties Ltd | Real estate | 2022 |
| H&A Facilities Management Ltd | Administrative & support | 2025 |
| H3A Serviced Accommodation Ltd | Real estate | 2024 |
| Habitude Limited | Education | 2016 |
| Haco Properties Limited | Real estate | 2025 |
| Hair at Mystic Mews Ltd | Other services | 2024 |
| Hairlounge (Upholland) Ltd | Other services | 2017 |
| Hale Automation Ltd | Manufacturing | 2026 |
| Hale&Jones Homes Property Services Ltd | Other services | 2025 |
| Hall & Hall Property Limited | Real estate | 2015 |
| Hall Estates Limited | Real estate | 2006 |
| Halsall Consult Limited | Professional & scientific | 2024 |
| Halsall Hall Management Company Limited | Households | 2003 |
| Hamilton Compass Limited | Real estate | 1991 |
| Handsworth & Hallam Theatre Company | Arts & recreation | 2019 |
| Hannah Bazaar Accessories Limited | Wholesale & retail | 2021 |
| Hansenthermospan Limited | Professional & scientific | 2013 |
| Hapharus Group Ltd | Health & social care | 2025 |
| Happy Trade Ltd | Wholesale & retail | 2025 |
| Harlow Bradburry Limited | Wholesale & retail | 2024 |
| Harlufi Pipe and FAB Ltd | Construction | 2009 |
| Harmony Decorating Limited | Construction | 2010 |
| Harold Lomax Limited | Professional & scientific | 1913 |
| Harper Clinical Limited | Health & social care | 2018 |
| Harpers Furniture & Beds Limited | Wholesale & retail | 2007 |
| Harris Bidco Limited | Extraterritorial | 2024 |
| Harris Topco Limited | Extraterritorial | 2024 |
| Harrison & CRU Ltd | Construction | 2025 |
| Harts Bespoke Interiors Limited | Manufacturing | 2021 |
| Hatch 19 Holdings Limited | Financial services | 2018 |
| Hatch 19 Limited | Wholesale & retail | 2018 |
| Hatchard Medical Ltd | Manufacturing | 1993 |
| Hattersley Court Management Limited | Administrative & support | 2008 |
| Hawkins Asset Management Ltd | Financial services | 2013 |
| Hawkstone Estates Limited | Other services | 2016 |
| Haycee Ltd | Hospitality | 2023 |
| Haydock Garden Buildings Limited | Wholesale & retail | 1996 |
| HAZ Waste Ltd | Water & waste | 2025 |
| HB Products Limited | Wholesale & retail | 2011 |
| HBM Ashton Ltd. | Professional & scientific | 2014 |
| Healthcare Medical Group Ltd | Health & social care | 2026 |
| Healthmedcare Limited | Health & social care | 2021 |
| Heat Control (Liverpool) Limited | Construction | 2008 |
| Heat Pumps North West Ltd | Construction | 2021 |
| Heather O’Connor Ltd | Health & social care | 2024 |
| Heather Scott Jewellery Limited | Manufacturing | 2014 |
| Heating Doctor Maintenance Ltd | Construction | 2014 |
| Hedging UK (Nurseries) Limited | Agriculture & fishing | 2023 |
| HEM Medicolegal Ltd | Professional & scientific | 2022 |
| HEM Residential Limited | Real estate | 2023 |
| Henley Advisory Ltd | Professional & scientific | 2026 |
| Henry George Property Limited | Real estate | 2012 |
| Heritage Estates & Developments Ltd | Construction | 2025 |
| Heritage Estates North West Holdings Limited | Real estate | 2026 |
| Hermanos Security Consulting Ltd | Other services | 2024 |
| Hesketh James Limited | Administrative & support | 2017 |
| Hexagon Law Ltd | Professional & scientific | 2026 |
| Hexagon Life Planning Services Ltd | Professional & scientific | 2018 |
| Heyes Storage Limited | Real estate | 2023 |
| Heyes Truck & Plant Limited | Construction | 2016 |
| Heyman Group Ltd | Construction | 2023 |
| HG Hospitality Ltd | Hospitality | 2023 |
| HH Mews Limited | Real estate | 2022 |
| HHJ Education Limited | Arts & recreation | 2000 |
| Hi-Lo Concrete Pumping Limited | Administrative & support | 2022 |
| Higham Studio Ltd | Wholesale & retail | 2022 |
| Higher Education Human Resource Performance Analytics Limited | Information & communication | 2021 |
| Highet Project Management Limited | Other services | 2001 |
| Highgrove Rentals Ltd | Real estate | 2022 |
| Hightempo.Ai Ltd | Information & communication | 2025 |
| Hill Enterprises Limited | Other services | 2017 |
| Hill Holiday Lettings Limited | Hospitality | 2017 |
| Hills Leisure Ltd | Other services | 2017 |
| Hills Leisure UK Limited | Construction | 2001 |
| Hilltop Property Solutions Limited | Real estate | 2019 |
| Hilltop Training Solutions Ltd | Professional & scientific | 2026 |
| Hilton Consultancy North West Ltd | Manufacturing | 2013 |
| Hire Fitness NW Ltd | Arts & recreation | 2012 |