| Abbey Technologies Limited | Wholesale & retail | 2009 |
| Adaa Enterprises Limited | Other services | 2014 |
| Affirmation Beauty Limited | Wholesale & retail | 2021 |
| AI Compound Ltd | Information & communication | 2025 |
| APA Group Investments Ltd | Real estate | 2022 |
| Ashtree Ventures Limited | Administrative & support | 2024 |
| BJ Consultant Ltd | Construction | 2019 |
| Bottrills Solicitors LLP | | 2015 |
| Branding and Promotions Ltd | Professional & scientific | 2019 |
| Bushey Barbers Ltd | Other services | 2019 |
| Business Growth Clubs UK Ltd | Professional & scientific | 2025 |
| C N Martin Limited | Real estate | 2007 |
| CG GAS & Plumbing Ltd | Construction | 2018 |
| CG Sinclair Ltd | Professional & scientific | 2014 |
| Chbire Ltd | Administrative & support | 2018 |
| Construction & Services Ltd | Construction | 2020 |
| Cross FOX Ltd | Hospitality | 2023 |
| Croxley Alarm Systems Limited | Administrative & support | 2003 |
| Croxley Green Management Company Limited | Hospitality | 2002 |
| Croxley Private Investigations Limited | Administrative & support | 2012 |
| Darin's Barber Shop Ltd | Other services | 2020 |
| Darkzero Media Ltd | Information & communication | 2014 |
| Digi Driver Ltd | Transport & logistics | 2024 |
| DSM International Ltd | Administrative & support | 2017 |
| Durrants Estate Ltd | Households | 2023 |
| External FD Ltd | Extraterritorial | 2016 |
| Famc Consultancy Ltd | Administrative & support | 2024 |
| Film Services by Francis Ltd | Administrative & support | 2022 |
| Florence Rose Company Ltd | Health & social care | 2025 |
| Forever Fancy Ltd | Extraterritorial | 2015 |
| Garden City Plants and Gardening Limited | Administrative & support | 2022 |
| Gemley Holdings Limited | Financial services | 2025 |
| GL Accountancy Services Limited | Professional & scientific | 2023 |
| Glass Island Holdings Limited | Financial services | 2022 |
| Haybridge Properties Limited | Real estate | 2012 |
| HJC Ltd | Construction | 2024 |
| ISA (FPS) Ltd | Administrative & support | 2015 |
| ISA Consortium Ltd | Professional & scientific | 2013 |
| J.M. Legal Services Ltd | Professional & scientific | 2020 |
| JB Waste Ltd | Water & waste | 2025 |
| Julie Lupton Limited | Professional & scientific | 2016 |
| KDJ Electrical Ltd | Other services | 2025 |
| Key Financial Strategies LLP | | 2009 |
| L E-Bikes Ltd | Wholesale & retail | 2023 |
| Lead Connect IO Ltd | Professional & scientific | 2024 |
| Ledl Limited | Education | 2022 |
| LGP Electrical Ltd | Construction | 2016 |
| LGP Mechanical Services Ltd | Construction | 2023 |
| LIB Cafe Ltd | Hospitality | 2023 |
| Linda's Big Hair Ltd | Other services | 2013 |
| Lloyd Dixon Group Ltd | Professional & scientific | 2022 |
| M Scarth Carpentry Limited | Construction | 2016 |
| Magic Pixels Ltd | Extraterritorial | 2017 |
| Maintenance Repairs and Operations Ltd | Other services | 2015 |
| Mccarthy Carpentry Limited | Construction | 2010 |
| MRO Cubed Limited | Construction | 2021 |
| MW Floors Ltd | Construction | 2026 |
| New Bridge Investments Limited | Real estate | 2011 |
| ON Top Roofing and Guttering Herts Ltd | Construction | 2024 |
| ORA Labora Limited | Construction | 2019 |
| Orla Rose Associates Ltd | Administrative & support | 2022 |
| Planet Savers UK | Health & social care | 2024 |
| Propden Limited | Real estate | 2014 |
| Rcrt Ltd | Health & social care | 2024 |
| Rendigital Limited | Information & communication | 2013 |
| Rensoft Limited | Information & communication | 2007 |
| Rensource Limited | Information & communication | 2007 |
| Sinan UK Ltd | Wholesale & retail | 2014 |
| Spera UK Restoration Ltd | Construction | 2025 |
| Sterling Marketing & Coaching Ltd | Professional & scientific | 2020 |
| Tax Made Simple Ltd | Extraterritorial | 2015 |
| Teamin Ltd | Administrative & support | 2021 |
| Tectrix Global Manufacturing Limited | Manufacturing | 2011 |
| Teddypercy Ltd | Administrative & support | 2024 |
| Tnmn Limited | Real estate | 2025 |
| Trend Avenue Ltd | Wholesale & retail | 2012 |
| Tucker Circles Limited | Real estate | 2017 |
| Voccall Limited | Information & communication | 2020 |
| West Herts Golf Club Sustainability Ltd | Arts & recreation | 2023 |
| Winlion Ltd | Construction | 2019 |
| Your Event Services Ltd | Arts & recreation | 2015 |
| Zemount Group LLP | | 2022 |
| Zemount Group London Ltd | Real estate | 2024 |