| Grace Care and Letting Service Ltd | Hospitality | 2020 |
| Grafix LAB Limited | Wholesale & retail | 2023 |
| Grand Contractor Ltd | Construction | 2023 |
| Grand Repair Auto Ltd | Wholesale & retail | 2021 |
| Grand Services Group Ltd | Administrative & support | 2020 |
| Grander Ltd | Construction | 2025 |
| Great Home Improvement Ltd | Construction | 2023 |
| Great Transfers Ltd | Transport & logistics | 2024 |
| Greater London Housing Management Ltd | Hospitality | 2023 |
| Greaves-Cook Holdings Ltd | Financial services | 2024 |
| Green Belt Consultants Limited | Construction | 2024 |
| Green Belt Investments Limited | Real estate | 2024 |
| Green SML Freehold Limited | Real estate | 2026 |
| Green UK Bidco Holdco Limited | Financial services | 2019 |
| Green UK Bidco Limited | Financial services | 2019 |
| Green UK Mezz Holdco Limited | Financial services | 2019 |
| Green UK Mezzco Limited | Financial services | 2019 |
| Green Valley Logistics Ltd | Transport & logistics | 2020 |
| Green Valley Production Limited | Information & communication | 2020 |
| Griffin Power Ltd | Professional & scientific | 2004 |
| Grille Foods Ltd | Hospitality | 2026 |
| Grocerify Limited | Wholesale & retail | 2018 |
| Groh Plants Limited | Wholesale & retail | 2025 |
| Grouse Bidco Limited | Financial services | 2016 |
| Grouse Midco Limited | Financial services | 2016 |
| Grouse Topco Limited | Financial services | 2016 |
| Grow Study Advisor Ltd | Education | 2025 |
| GRS Electrician Ltd | Construction | 2018 |
| GS Expresses Limited | Transport & logistics | 2025 |
| GSM GAS Works Ltd | Construction | 2017 |
| GST Decorating Ltd | Construction | 2017 |
| GST Property Investments Ltd | Real estate | 2024 |
| Guidix Business School Ltd | Education | 2025 |
| Gulf Engineering Limited | Professional & scientific | 2025 |
| Guransh Limited | Real estate | 2025 |
| Gurbaaz Investments Ltd | Real estate | 2025 |
| Gurisha's Professional Hair & Beauty Limited | Other services | 2022 |
| Gurkha Connection Limited | Wholesale & retail | 2022 |
| GX Services Limited | Administrative & support | 2024 |
| H & N Express Logistics Ltd | Transport & logistics | 2025 |
| H & N Food & Wine Limited | Wholesale & retail | 2025 |
| H Scaffolding Ltd | Construction | 2018 |
| H Tech Supports Limited | Information & communication | 2018 |
| H&A Auto Repairs Ltd | Wholesale & retail | 2020 |
| H&J Assets Ltd | Administrative & support | 2021 |
| H&J Homes Development Ltd | Real estate | 2019 |
| H&J Premises Ltd | Real estate | 2017 |
| H&J VEG Limited | Wholesale & retail | 2013 |
| H&S Rental Limited | Real estate | 2021 |
| H&S Sandhu Limited | Transport & logistics | 2024 |
| HA Estate Group Ltd | Real estate | 2026 |
| Habesha Driving School Ltd | Education | 2024 |
| Habibi Transfer Ltd | Administrative & support | 2025 |
| Haflinger Books Ltd | Information & communication | 2025 |
| HAH Consultants Limited | Professional & scientific | 2022 |
| Haircut Express Ltd | Health & social care | 2016 |
| Hale by Majestic Cedar Ltd | Health & social care | 2023 |
| Halligan Bros Electrical Ltd | Construction | 2018 |
| Hallmark Hotels (Barr Hill) Limited | Hospitality | 2006 |
| Hallmark Hotels (Carlton) Limited | Hospitality | 2006 |
| Hallmark Hotels (Dyce) Limited | Hospitality | 2007 |
| Hallmark Hotels (East Cliff) Limited | Hospitality | 2006 |
| Hallmark Hotels (Edgbaston) Limited | Hospitality | 2007 |
| Hallmark Hotels (Glasgow WS) Limited | Hospitality | 2006 |
| Hallmark Hotels (Gloucester) Limited | Hospitality | 2010 |
| Hallmark Hotels (Mickleover) Limited | Hospitality | 2006 |
| Hallmark Hotels (NO. 1) Limited | Financial services | 2013 |
| Hallmark Hotels (NO. 10) Limited | Financial services | 2013 |
| Hallmark Hotels (NO. 11) Limited | Financial services | 2013 |
| Hallmark Hotels (NO. 12) Limited | Financial services | 2013 |
| Hallmark Hotels (NO. 14) Limited | Financial services | 2013 |
| Hallmark Hotels (NO. 15) Limited | Financial services | 2014 |
| Hallmark Hotels (NO. 16) Limited | Financial services | 2012 |
| Hallmark Hotels (NO. 3) Limited | Financial services | 2013 |
| Hallmark Hotels (NO. 4) Limited | Financial services | 2013 |
| Hallmark Hotels (NO. 5) Limited | Financial services | 2013 |
| Hallmark Hotels (NO. 6) Limited | Financial services | 2013 |
| Hallmark Hotels (NO. 7) Limited | Administrative & support | 2013 |
| Hallmark Hotels (NO. 8) Limited | Financial services | 2013 |
| Hallmark Hotels (Stourport) Limited | Hospitality | 2006 |
| Hallmark Hotels (the Belfry) Limited | Hospitality | 2007 |
| Hallmark Hotels (the Lakes Court) Limited | Hospitality | 2007 |
| Hallmark Hotels (Woodford Green) Limited | Hospitality | 2006 |
| Hallmark Hotels Croydon Limited | Hospitality | 2011 |
| Hallmark Hotels Finance Limited | Financial services | 2009 |
| Hallmark Hotels Funding Limited | Hospitality | 2011 |
| Hallmark Hotels Group Limited | Hospitality | 2007 |
| Hallmark Hotels Holdings Limited | Hospitality | 2007 |
| Hallmark Hotels Hull Limited | Hospitality | 2009 |
| Hallmark Hotels Investments Limited | Financial services | 2009 |
| Halton Limited | Real estate | 2021 |
| Hamilton Driveways & Roofing Ltd | Construction | 2024 |
| Hammyklassiq Hair Empire Limited | Wholesale & retail | 2026 |
| Hapi Builders Limited | Construction | 2025 |
| Happirolm Limited | Real estate | 2024 |
| Haque Heating and Air Ltd | Construction | 2025 |
| Harda Consultancy Limited | Information & communication | 2026 |
| Hardin Enterprises UK Ltd | Information & communication | 2026 |
| Hardpaint Ltd | Arts & recreation | 2020 |
| Hardworkers Ltd | Construction | 2019 |