| 20/20 Investments Ltd | Financial services | 2012 |
| 5 Loscoe Road Ltd | Real estate | 2023 |
| A & M Lofts Limited | Construction | 2007 |
| Alban Blinds Holdings Ltd | Financial services | 2023 |
| ALL Van Sales Limited | Wholesale & retail | 2023 |
| Ashards Ventilation Hygiene Services Ltd | Water & waste | 2024 |
| Ashley Wilde Group Limited | Wholesale & retail | 1950 |
| Asteroid Carpentry Ltd | Manufacturing | 2024 |
| Awake at Three Ltd | Information & communication | 2010 |
| Blitz Hire Limited | Administrative & support | 2002 |
| Blue Seas Adjusters (London) Ltd | Financial services | 2022 |
| Box Bidco Limited | Financial services | 2021 |
| Box Holdco Limited | Financial services | 2021 |
| Box Topco Limited | Financial services | 2021 |
| Bramley Howell Ltd | Real estate | 2016 |
| Brookmans Green Ltd | Financial services | 2024 |
| BSR Executive Cars Ltd | Transport & logistics | 2020 |
| Bull London Ltd | Professional & scientific | 2026 |
| Business Design Holdings Ltd | Professional & scientific | 2016 |
| Business Design Ltd | Construction | 2016 |
| C Workshop Limited | Administrative & support | 2010 |
| Cahane & Associates Limited | Administrative & support | 2009 |
| Caltom Construction Ltd | Construction | 2015 |
| Catapult Money Ltd | Financial services | 2025 |
| CEC Electrical Limited | Construction | 2002 |
| Centercomms Limited | Construction | 2007 |
| CF Bentley Ltd | Financial services | 2022 |
| CF Bentley Services Ltd | Agriculture & fishing | 2023 |
| Charmed Estates Limited | Real estate | 2022 |
| Coys Construction Limited | Construction | 2011 |
| Coys Properties Ltd | Real estate | 2021 |
| CPR Boiler Services Ltd | Professional & scientific | 2017 |
| Cutter & Barr Limited | Manufacturing | 2013 |
| D P G Security Ltd | Administrative & support | 2010 |
| Design Selectric Limited | Construction | 1976 |
| Direct Drilling Limited | Construction | 2005 |
| DS Construction Group Ltd | Construction | 2024 |
| Eco Capital Investments Ltd | Financial services | 2015 |
| Eco of London Limited | Construction | 2005 |
| Eco Property Investments Ltd | Real estate | 2015 |
| Emery Court Properties Limited | Real estate | 1982 |
| F M Residential Ltd | Real estate | 2023 |
| Five Element Distribution Ltd | Wholesale & retail | 2011 |
| Focus DGI Limited | Construction | 2011 |
| Focus Trovex LLP | | 2012 |
| Focus Washrooms Ltd | Construction | 2014 |
| G P D Waterwells Limited | Construction | 2005 |
| G&C Construction Services Ltd | Administrative & support | 2025 |
| G.B.N.S. Partnership Limited | Administrative & support | 2001 |
| Galaxy Auto Motor Ltd | Wholesale & retail | 2025 |
| GPD Holdings Ltd | Professional & scientific | 2011 |
| Gregory Turner Limited | Professional & scientific | 2012 |
| Hansford Brown Formations Ltd | Professional & scientific | 2013 |
| Hansford Brown Investments Ltd | Professional & scientific | 2013 |
| Harpenden Podiatry Clinic Limited | Health & social care | 2014 |
| Herts Valet Ltd | Administrative & support | 2016 |
| Holmes Paxton Decorating Ltd | Construction | 2016 |
| Home Garden Spaces Ltd | Manufacturing | 2020 |
| HSL Investments Ltd | Financial services | 2024 |
| Hygiene Systems Holdings Ltd | Financial services | 2022 |
| I G P a Limited | Construction | 2005 |
| IDF Floor Sales Ltd | Wholesale & retail | 2023 |
| Igpa Building Services Ltd | Construction | 2015 |
| Igpa Classics Ltd | Wholesale & retail | 2020 |
| Igpa Holdings Ltd | Financial services | 2015 |
| Igpa Services Limited | Construction | 2001 |
| Itzbits Ltd | Information & communication | 2013 |
| JOE Donaghy Decorating Ltd | Construction | 2022 |
| Kirby Electrical & Commissioning Ltd | Professional & scientific | 2014 |
| LCH Ventures Ltd | Professional & scientific | 2014 |
| Leathergrace Limited | Wholesale & retail | 1991 |
| Lift Specialists Limited | Manufacturing | 1999 |
| Little Heath Garage Ltd | Wholesale & retail | 2022 |
| Loraine P Sawyer Consultancy Ltd | Professional & scientific | 2020 |
| Lydia Mews Management Company Limited | Households | 1980 |
| Marine Living Ltd | Manufacturing | 2022 |
| Marshall Site Safety Ltd | Construction | 2022 |
| Marval Marine Services Limited | Manufacturing | 2003 |
| Marval Rail Services Ltd | Construction | 2024 |
| MMK Construction Solutions Ltd | Construction | 2023 |
| Moore & Moore Creative Ltd | Professional & scientific | 2013 |
| Moov Electric Limited | Wholesale & retail | 2020 |
| Moreland Estates Limited | Real estate | 1998 |
| Moritz BID Support Limited | Administrative & support | 2005 |
| Moritz Company (Saddlery Distributors) Limited(The) | Wholesale & retail | 1978 |
| Movinready Ltd | Administrative & support | 2024 |
| N.P.Hosier Ltd. | Construction | 2016 |
| Nama IT Solutions Limited | Information & communication | 2020 |
| Ncompass Communications Limited | Administrative & support | 2009 |
| Nlbs Investments Ltd | Real estate | 2022 |
| NO Climb Products Limited | Manufacturing | 1965 |
| North London Box Sash Ltd | Construction | 2021 |
| North London Restoration Ltd | Professional & scientific | 2023 |
| Oakleaf Software Limited | Information & communication | 1992 |
| Paratus Advisory Ltd | Administrative & support | 2016 |
| PD Laboratories Limited | Administrative & support | 2015 |
| Priam Properties Limited | Real estate | 2001 |
| PT Motors Limited | Wholesale & retail | 2006 |
| Puran Hotel Limited | Hospitality | 2008 |
| Purpose & Worth ETC Limited | Wholesale & retail | 2011 |