| Global Aviation Trading Co. Limited | Administrative & support | 2004 |
| Global Entertainment Events Limited | Arts & recreation | 2019 |
| Global Strategies Limited | Professional & scientific | 2005 |
| Glorynest Ltd | Administrative & support | 2025 |
| Glow Hair & Nails Limited | Other services | 2025 |
| Glyfada Limited | Professional & scientific | 2021 |
| GMH Contract Hire Ltd | Administrative & support | 2020 |
| GNR Capital Limited | Real estate | 2015 |
| Gocheckit Ltd | Real estate | 2023 |
| Gopher Locations Ltd | Information & communication | 2026 |
| Gorillas Burger Co Ltd | Hospitality | 2024 |
| Goudies Limited | Professional & scientific | 2015 |
| GPM Care Solutions Ltd | Health & social care | 2026 |
| GR08 Services Ltd | Other services | 2023 |
| Grafton Consultants Limited | Professional & scientific | 2019 |
| Graham Poole Limited | Administrative & support | 2014 |
| Grand Oaks Grange Limited | Construction | 2015 |
| Grants Independent Limited | Real estate | 2001 |
| Grants Residential Lettings Limited | Real estate | 1998 |
| Grassmore Residents Company Limited | Households | 1989 |
| Graviton Bioscience Limited | Professional & scientific | 2023 |
| Grays Electrics Ltd | Construction | 2023 |
| Graywest UK Ltd | Information & communication | 2016 |
| Greek Doonuts Ltd Ltd | Manufacturing | 2020 |
| Green City Construction Ltd | Construction | 2022 |
| Green Lily Events Limited | Other services | 2021 |
| Green MAN Tree Care Ltd | Agriculture & fishing | 2018 |
| Green Stone Management Limited | Real estate | 2023 |
| Greenlane Catering Ltd | Hospitality | 2026 |
| Gresley House Flat Management Limited | Households | 2021 |
| Greydales Limited | Health & social care | 1998 |
| Greystones Electrical Ltd | Construction | 2019 |
| Grimewerks Ltd | Professional & scientific | 2024 |
| Grizzly Bars Ltd | Hospitality | 2022 |
| Grosvenor Court (Weybridge) Residents Association Limited | Hospitality | 1968 |
| Grosvenor Garage Guildford Limited | Professional & scientific | 1967 |
| Ground Builds Ltd | Construction | 2021 |
| Groundworks Innovation Limited | Professional & scientific | 2011 |
| Grumpy Bakers Limited | Hospitality | 2024 |
| Grypha Limited | Information & communication | 2024 |
| Gvins Ltd | Wholesale & retail | 2025 |
| GW Contracting Limited | Construction | 2023 |
| Gyro Holdings Limited | Real estate | 2018 |
| H D Software Limited | Information & communication | 1996 |
| Haighevents Ltd | Professional & scientific | 2024 |
| Halcombe Tuition Ltd | Education | 2018 |
| Hallcroft (Bilbrough) Limited | Financial services | 2022 |
| Hallcroft (Harston) Limited | Financial services | 2022 |
| Hallcroft (RSC) Limited | Financial services | 2022 |
| Hallcroft JV Limited | Financial services | 2017 |
| Halle Incorporated Limited | Real estate | 2018 |
| Hallstone Rewards Ltd | Wholesale & retail | 2026 |
| Halo One Architects Limited | Professional & scientific | 2017 |
| Hampshire Window Cleaning Ltd | Administrative & support | 2025 |
| Hamshaw Care Limited | Administrative & support | 2022 |
| Hamsi Takeaway Limited | Hospitality | 2024 |
| Hamtur Ltd | Hospitality | 2024 |
| Handy MAC (Surrey) Limited | Construction | 2025 |
| Hani H Homes Ltd | Real estate | 2022 |
| Hannah's Nail Bar Ltd | Other services | 2020 |
| Happy Hippos Ltd | Health & social care | 2017 |
| Harber Design Ltd | Construction | 2023 |
| Harbourside Leisure Management Company Limited | Real estate | 2004 |
| Harbs Investment Company Limited | Financial services | 2025 |
| Hardy Law and Property Limited | Professional & scientific | 2020 |
| Haris H Homes Ltd | Real estate | 2020 |
| Harry Stoke Management Company Limited | Households | 2019 |
| Harry's Amazon MAP Ltd | Education | 2023 |
| Harrys Cafe and Bakery Ltd | Hospitality | 2025 |
| Hart Training Consultancy Ltd | Information & communication | 2016 |
| Hartigan Pottery Limited | Arts & recreation | 2021 |
| Harwood Management London Limited | Real estate | 2000 |
| Hascombe Music Limited | Information & communication | 2019 |
| Haslingden Hall and Lodge Limited | Health & social care | 2018 |
| Hatch Marketing Limited | Professional & scientific | 2021 |
| Haven Care Centres Limited | Health & social care | 2006 |
| HBV Services Ltd | Transport & logistics | 2012 |
| HCE Investments Limited | Real estate | 2026 |
| HDR Distribution Ltd | Wholesale & retail | 2023 |
| Headstart Sports Coaching Limited | Education | 2018 |
| Healing Hand Massage&Beauty Ltd | Other services | 2018 |
| Healthwise Woking Ltd | Administrative & support | 2014 |
| Hearttouch Wellbeing CIC | Education | 2025 |
| Heathrow Sameday Transport Limited | Transport & logistics | 2021 |
| Hedges & Brignalls Management Company Limited | Households | 2006 |
| Hedgetrimmer Limited | Information & communication | 2023 |
| Heim Partners Limited | Financial services | 2018 |
| Heli-Jet Services Limited | Manufacturing | 2003 |
| Hellenic Finance Limited | Financial services | 2018 |
| Henley Gate (Ipswich) Management Company Limited | Households | 2022 |
| Herd Group Limited | Administrative & support | 2016 |
| Herd Hire Ltd | Administrative & support | 2011 |
| Hersham Sushi Ltd | Hospitality | 2017 |
| Hert Finance Ltd | Financial services | 2015 |
| Hfav Ltd | Construction | 2022 |
| Hibania Ltd | Wholesale & retail | 2021 |
| Hibania Services Ltd | Transport & logistics | 2024 |
| High Street (Harston) LLP | | 2019 |
| Highbrook Park Management Company Limited | Households | 2021 |
| Highlands Park Management Company Limited | Households | 2018 |