| GJ Bargains Ltd | Wholesale & retail | 2020 |
| Glenside Construction Limited | Construction | 1994 |
| Goulds Green Chambers Limited | Administrative & support | 2024 |
| Groundwork Procurement Services Ltd | Construction | 2009 |
| Gugu Global Ltd | Wholesale & retail | 2019 |
| Hailey Prestige Properties Ltd | Real estate | 2025 |
| Hamptons Wholesale Ltd | Wholesale & retail | 2019 |
| Hayne & Hayne Properties Ltd | Real estate | 2022 |
| Henley-On-Thames Lettings Limited | Real estate | 2021 |
| Heritage Walk Management Limited | Households | 1998 |
| Heronsfield House Limited | Real estate | 1981 |
| Heronsgate Construction Limited | Professional & scientific | 2009 |
| Heronsgate Motor Co Ltd | Wholesale & retail | 2012 |
| Hertfordshire Electrical Contractors Ltd | Construction | 2019 |
| Herts Prime Construction Limited | Construction | 2023 |
| Hexa Homes Limited | Construction | 2017 |
| Hillside Pre-School (Chorleywood) Ltd | Education | 2009 |
| HJT Engineering Ltd | Information & communication | 2025 |
| Hollywell Estates Ltd | Real estate | 2021 |
| House and Classics Limited | Arts & recreation | 2020 |
| House of Spangled Ltd | Manufacturing | 2015 |
| Housing Investment Finance Ltd | Real estate | 2013 |
| HRE Engineering Services Limited | Professional & scientific | 2023 |
| HRK Property Ltd | Real estate | 2013 |
| Icon International Corporation Limited | Financial services | 2015 |
| Ilona Biggins Ltd | Wholesale & retail | 2011 |
| Integrated Installations Limited | Construction | 2008 |
| Irene Power Company Limited | Energy | 2006 |
| J B Mechanical Services Ltd | Construction | 2020 |
| J Greaves Construction Ltd | Construction | 2017 |
| Jadeluck Investments Limited | | 2007 |
| Jason's Bricklaying Ltd | Construction | 2021 |
| Jmark Productions Limited | Information & communication | 2002 |
| JMH Roofing Services Limited | Construction | 2023 |
| JMR Solutions Limited | Extraterritorial | 2011 |
| JOE O'Connell Carpentry Ltd | Construction | 2015 |
| John Read Carpentry Ltd | Manufacturing | 2021 |
| JP Cheshire Limited | Real estate | 2025 |
| Just Property Management Ltd | Real estate | 2014 |
| Karys Limited | Professional & scientific | 2006 |
| Keep on Exploring Limited | Wholesale & retail | 2015 |
| Khas Creative Ltd | Construction | 2025 |
| Kingshill Professional Services Ltd | Professional & scientific | 2016 |
| KR Academy Limited | Arts & recreation | 2024 |
| Lakeview Direct Limited | Wholesale & retail | 2024 |
| Lareshomes Ltd | Real estate | 2020 |
| Lawrence Davis Ltd | Construction | 2023 |
| Ledgrove Group Limited | Professional & scientific | 2024 |
| Leeson and Associates Limited | Administrative & support | 2025 |
| LIZ Ears WAX Removal Ltd | Health & social care | 2019 |
| London Artisan Ltd | Construction | 2019 |
| London Plastering Ltd | Construction | 2024 |
| London Repair Maintenance Ltd | Manufacturing | 2025 |
| London Road Autos Ltd | Wholesale & retail | 2020 |
| Long Road Entertainment Limited | Arts & recreation | 2019 |
| LPL Developments Limited | Real estate | 2017 |
| Lulaleo Limited | Real estate | 2023 |
| Luna Heronsgate Ltd | Hospitality | 2024 |
| Luxury by a Ltd | Transport & logistics | 2024 |
| M Tait Security Limited | Administrative & support | 2014 |
| M.J.P.M. Consultancy Services Ltd | Professional & scientific | 2007 |
| Make the Change Ltd | Real estate | 2018 |
| Maple Build Ltd | Construction | 2018 |
| Marketing Design Partnership Limited | Information & communication | 2013 |
| Martinez ADS Ltd | Professional & scientific | 2023 |
| Mashru Properties Limited | Real estate | 2013 |
| Matthew Hoare Holdings Limited | Financial services | 2023 |
| Matthew Smith Electrical Contractors Ltd | Construction | 2018 |
| Maxnett Limited | Information & communication | 2002 |
| Mcveighs Roofing Specialists Ltd | Construction | 2024 |
| Means Hire Ltd | Administrative & support | 2024 |
| MNM Construction Ltd | Construction | 2020 |
| Moana MMM Limited | Administrative & support | 2017 |
| Moments & Memorabilia Ltd | Wholesale & retail | 2026 |
| Moonmax Limited | Information & communication | 2025 |
| Myridephotos Limited | Professional & scientific | 2024 |
| Nathiall Ltd | Construction | 2017 |
| Nenthead Mines Hydro Power Ltd | Energy | 2003 |
| New Time Leisure Ltd | Hospitality | 2021 |
| Novek Limited | Information & communication | 2018 |
| O'Leary Property Ltd | Real estate | 2025 |
| Oakton Limited | Professional & scientific | 1996 |
| Oakville Brickwork Limited | Construction | 2023 |
| OIL Consultancy Limited | Education | 2009 |
| Oliver Squires Estate Agents Ltd | Real estate | 2021 |
| Orac Property Investments Ltd | Real estate | 2025 |
| OSB Homes Ltd | Administrative & support | 2020 |
| P E S Haulage Ltd | Transport & logistics | 2011 |
| Palmgreen Limited | Construction | 1997 |
| Pangaia Materials Science Limited | Wholesale & retail | 2019 |
| Paycode Ltd | Information & communication | 2018 |
| Peak Governance and Training Limited | Administrative & support | 2016 |
| Perish the Thought Limited | Arts & recreation | 2010 |
| Pet and Aquatics Properties Limited | Real estate | 2009 |
| PHD GAS Ltd | Extraterritorial | 2015 |
| Pixalator Ltd | Wholesale & retail | 2021 |
| Pixholm Ltd | Professional & scientific | 2024 |
| Plain English Consulting Ltd | Professional & scientific | 2011 |
| PMG Homes Ltd | Real estate | 2024 |
| Prestige Signmakers Ltd | Manufacturing | 2020 |