| DR KIM Ruddy Ltd | Health & social care | 2022 |
| DR RAJ Sadhra Ltd | Health & social care | 2016 |
| DR Syed Asad Hussain Limited | Health & social care | 2025 |
| DR. Allison Rigg Psychology Limited | Health & social care | 2015 |
| DSH Estates Limited | Financial services | 2015 |
| DSR Furnishings Limited | Wholesale & retail | 2013 |
| Dyollnaes Limited | Real estate | 1988 |
| E P S Holdings Limited | Real estate | 1978 |
| E-Alb Ltd | Professional & scientific | 2024 |
| Ealing GP Limited | Professional & scientific | 2014 |
| East Thames Business Support Services Limited | Administrative & support | 2005 |
| East:Mk Primary Care Network Limited | Health & social care | 2022 |
| Eighty Films Limited | Arts & recreation | 2020 |
| EKP Imaging Limited | Health & social care | 2025 |
| Elite Construction Limited | | 1988 |
| Elitesurgix Ltd | Health & social care | 2024 |
| Enfield Health Partnership Limited | Health & social care | 2010 |
| Enfield Healthcare Alliance Limited | Health & social care | 2012 |
| Enfield One Limited | Health & social care | 2016 |
| Englishmemory Ltd | Health & social care | 2018 |
| Enterprise Medic Limited | Health & social care | 2015 |
| Ephedra Healthcare Limited | Health & social care | 2008 |
| Euro UK Controls Limited | Information & communication | 1998 |
| Evan James Medical Limited | Health & social care | 2021 |
| Evergreen Surgery Limited | Health & social care | 2011 |
| Expedition # 28 Ltd | Wholesale & retail | 2020 |
| Eyedent Ltd | Health & social care | 2014 |
| Faris Investments Limited | Real estate | 2024 |
| FAT Pigeon Limited | Information & communication | 2018 |
| Femida Ltd | Information & communication | 2019 |
| FHC Construction Ltd | Professional & scientific | 2019 |
| FIX Construction UK Ltd | Construction | 2024 |
| Fonzz 2 Limited | | 1979 |
| Fowey Clinical Research Company Limited | Health & social care | 2014 |
| French Sandwich Ltd | Other services | 2025 |
| Fresch Care Limited | Professional & scientific | 2024 |
| Freyla Consulting Limited | Professional & scientific | 2019 |
| FSP Consultancy Services Ltd | Professional & scientific | 2019 |
| Ganesh Caterers Ltd | Hospitality | 2025 |
| Garage Door Restore Fife Limited | Administrative & support | 2010 |
| GDE1 Ltd | Other services | 2025 |
| Gemini Health Limited | Real estate | 2017 |
| German Medical Limited | Health & social care | 2014 |
| Global Pet Care Limited | Extraterritorial | 2010 |
| Grapes Design Limited | Professional & scientific | 2008 |
| Graphite Medical Services Limited | Health & social care | 2005 |
| Green Lanes Medical LLP | | 2009 |
| Grey Sky Ltd | Extraterritorial | 2010 |
| Grey Solutions (GB) Ltd | | 2011 |
| Guile Nicholas Limited | Professional & scientific | 2012 |
| Gymcraft Ltd | Professional & scientific | 2015 |
| Hapi Estates Limited | Real estate | 2026 |
| Harley Street Gynaecology Ltd | Health & social care | 2012 |
| Hawkwatch Health Limited | Public administration | 2019 |
| Healey Medical Ltd | Professional & scientific | 2011 |
| Healthaid Holdings Limited | Wholesale & retail | 1988 |
| Healthcare Personnel Limited | Health & social care | 2003 |
| Henry Paget Limited | Other services | 2009 |
| Herts Health Limited | Health & social care | 2006 |
| Hgwl Limited | Health & social care | 2015 |
| Holdenby Consulting Limited | Professional & scientific | 2019 |
| Hour of Play Ltd | Information & communication | 2010 |
| Howard James Developments Limited | Professional & scientific | 1970 |
| Hubcity Ltd | Wholesale & retail | 2024 |
| Infratech Partners Ltd | Other services | 2017 |
| Islay Managment Consulting Limited | Professional & scientific | 2019 |
| Isolution Consulting Limited | Information & communication | 2015 |
| Ivanhoe Medical Services Ltd | Health & social care | 2015 |
| J B Food and Wine Ltd | Wholesale & retail | 2018 |
| J D Development Services Limited | Construction | 2007 |
| James Wigg Practice Limited | Health & social care | 2010 |
| JAN Unlimited Limited | Information & communication | 2013 |
| JEA Solutions Limited | Professional & scientific | 2025 |
| Jessica Espey & Associates Ltd | Other services | 2019 |
| JHS Packaging Limited | Transport & logistics | 2018 |
| Joel Holmes Locations Ltd | Information & communication | 2014 |
| John Lister Limited | Wholesale & retail | 1949 |
| John Nordon Consulting Limited | Professional & scientific | 2018 |
| JV Coady Services Limited | Administrative & support | 2022 |
| K&W Healthcare Limited | Health & social care | 2014 |
| Kate Lewis Limited | Other services | 2011 |
| Kentish Town South PCN Limited | Health & social care | 2020 |
| Kijani Kenya Trust UK | Health & social care | 2004 |
| Kingsleigh Developments Ltd | Construction | 2020 |
| Kitano Urology Limited | Health & social care | 2025 |
| Knebworth and Marymead Limited | Other services | 2009 |
| Kosushi Bar Limited | Wholesale & retail | 2011 |
| Lapaside Limited | Health & social care | 2016 |
| Leakbusters Limited | Construction | 2003 |
| LGR Events Limited | Administrative & support | 2012 |
| Linus Limited | | 1981 |
| Living Montessori Limited | Education | 2014 |
| LJA Associates Limited | Administrative & support | 2011 |
| London Electrical Distributors Ltd | Wholesale & retail | 2014 |
| London Greek Radio Limited | Arts & recreation | 1987 |
| London Medical Associates Limited | Administrative & support | 2008 |
| Longlane Surgery Ltd | Health & social care | 2014 |
| Lubach Ltd | Health & social care | 2018 |
| Lubach Properties Limited | Real estate | 2020 |
| Lyaeus Psyche Ltd | Health & social care | 2025 |