| Grean Ltd | Information & communication | 2019 |
| Great British Kids Ltd | Wholesale & retail | 2018 |
| Great Northern Locations Ltd | Other services | 2005 |
| Green Garrett Limited | Information & communication | 2007 |
| Green Room Software Ltd | Information & communication | 2023 |
| Greenbank Residents Association (Poulton-Le-Fylde) Limited | Households | 1996 |
| Greenhey Consulting. Limited | Professional & scientific | 2022 |
| Greenlane (Cumbria) Limited | Health & social care | 2019 |
| Greenlight Engineering Solutions Ltd | Professional & scientific | 2024 |
| Greenock Recovery Ltd | Health & social care | 2025 |
| Greenwood GAS Services Ltd | Manufacturing | 2009 |
| Grey Rose Developments Ltd | Construction | 2021 |
| Greyland Holding Co Limited | Professional & scientific | 2008 |
| Greyland Properties Limited | Real estate | 1931 |
| Grif Investments Ltd | Real estate | 2022 |
| Grinshill Property Company Limited | Households | 1974 |
| Growth Genius AI Limited | Information & communication | 2024 |
| Gryp Ltd | Wholesale & retail | 2024 |
| GSE Accountancy Services Limited | Professional & scientific | 2019 |
| Guide-Me.Com Ltd | Wholesale & retail | 2015 |
| Gulliver Builders Blackpool Ltd | Construction | 2022 |
| GUY Penn & Company Limited | Financial services | 1971 |
| Guylets Ltd | Real estate | 2021 |
| GW Sales (UK) Ltd | Wholesale & retail | 2013 |
| Gwilldrop Logistics Ltd | Transport & logistics | 2025 |
| Gymselect Limited | Information & communication | 2019 |
| Gyros Street Ltd | Hospitality | 2022 |
| H Education Ltd | Health & social care | 2025 |
| H H Pedder & SON Limited | Manufacturing | 2012 |
| H M Inoculant Limited | Wholesale & retail | 1998 |
| H&Ci Limited | Construction | 2026 |
| H&H Electrical (NW) Ltd | Wholesale & retail | 2019 |
| H2 Architects Ltd | Professional & scientific | 2019 |
| H2 Heating Ltd | Construction | 2020 |
| Haboth Brand Labs Limited | Professional & scientific | 2022 |
| Haddon Flats (Norbreck) Limited | Households | 1968 |
| Hairbond Ltd | Extraterritorial | 2026 |
| Hairy Bear Solutions Limited | Professional & scientific | 2015 |
| Halina Face and Body Care Boutique Ltd | Health & social care | 2023 |
| Hall Park Centre Management Company Limited | Households | 2022 |
| Hallambridge Limited | Construction | 2003 |
| Halliwell Houses Ltd | Real estate | 2024 |
| Halo Natural Clean Ltd | Manufacturing | 2026 |
| Halsa Limited | Wholesale & retail | 2014 |
| Halton Ymca Limited | Hospitality | 1996 |
| Hamalie Ltd | Wholesale & retail | 2018 |
| Hambleton Upvc Ltd | Construction | 2003 |
| Hamilton Court (Blackpool) Property Management Limited | Households | 1997 |
| Hamilton Recovery Limited | Hospitality | 2017 |
| Hamlet Management Company Limited(The) | Households | 1983 |
| Hand & Dagger Limited | Hospitality | 2017 |
| Handyworx Installations Ltd | Construction | 2017 |
| Hannah Rollings Ltd | Professional & scientific | 2025 |
| Hanotaleem Ltd | Professional & scientific | 2022 |
| Hansons Furniture Ltd | Manufacturing | 2018 |
| Harbourguides Limited | Professional & scientific | 2001 |
| Harbourguides.Com Ltd | Professional & scientific | 2022 |
| Hardmans Plumbing and Heating Ltd | Construction | 2025 |
| Hariana Live Entertainment Ltd | Arts & recreation | 2025 |
| Harleon Ltd | Real estate | 2012 |
| Harley Homes NW Ltd | Construction | 2025 |
| Harley House Estates Ltd | Real estate | 2016 |
| Harper Beech Limited | Professional & scientific | 2023 |
| Harper-Haley Ltd | Professional & scientific | 2021 |
| Harrison Home Staging Ltd | Real estate | 2025 |
| Harrowside Heights Residents 2016 RTM Company Ltd | Households | 2016 |
| Harry’S Play Limited | Arts & recreation | 2022 |
| Hartley Nelson & Company Limited | Real estate | 1978 |
| Haven Homes Property Ltd | Real estate | 2024 |
| Hawarden Properties Limited | Real estate | 2021 |
| Hawkes Read Consulting Limited | Professional & scientific | 2013 |
| Hayes Real Estate Limited | Real estate | 2018 |
| Haythorn Developments Ltd | Construction | 2003 |
| HCS Property Investment Limited | Real estate | 2024 |
| Heads Procurement Limited | Professional & scientific | 2013 |
| Health & Recovery in Motion Ltd | Other services | 2014 |
| Health and Wellbeing Northwest Limited | Wholesale & retail | 2020 |
| Health Property Services Limited | Real estate | 2014 |
| Healthy Heart Ltd | Real estate | 2014 |
| Healthy New YOU Ltd | Wholesale & retail | 2024 |
| Heimson Ltd | Professional & scientific | 2021 |
| Heir Consultancy Ltd | Education | 2023 |
| Heir Tools Ltd | Wholesale & retail | 2021 |
| Hello Beautiful Ltd | Other services | 2022 |
| Hema & Sons Ltd | Wholesale & retail | 2023 |
| Henlet Properties Ltd | Real estate | 2024 |
| Henley Hearing Care Limited | Health & social care | 2014 |
| Hepa Global Ltd | Information & communication | 2025 |
| Herbert Trading (NW) Limited | Wholesale & retail | 2025 |
| Here for YOU Home Care Limited | Health & social care | 2024 |
| Hermes Catering Limited | Hospitality | 2020 |
| Hermes London Ltd | Information & communication | 2018 |
| Herrington Ltd | Administrative & support | 2025 |
| Heyhouses Limited | Real estate | 2021 |
| Heywood Vapes Limited | Wholesale & retail | 2025 |
| Hi-Vibe Limited | Information & communication | 2012 |
| Hife Retreats Limited | Arts & recreation | 2022 |
| High G Jets Limited | Administrative & support | 2016 |
| High G Limited | Arts & recreation | 2011 |
| Higher Quality Homecare Ltd | Health & social care | 2024 |