| JIM Construction Tottenham Ltd | Construction | 2023 |
| JIM Renewables Ltd | Construction | 2023 |
| JJ Network Services Limited | Information & communication | 1999 |
| JK Homes (PVT) Ltd | Real estate | 2019 |
| John Wilkes Publishing Ltd | Information & communication | 2021 |
| Jooma Care Homes Limited | Health & social care | 2012 |
| Kabert Ltd | Information & communication | 2019 |
| Kalon Property Limited | Real estate | 2026 |
| Keatons Building Products Ltd | Real estate | 2021 |
| KGV Consulting Limited | Professional & scientific | 2013 |
| KIK Associates Ltd | Real estate | 2019 |
| Kingswood Coaching & Development Ltd | Professional & scientific | 2011 |
| KRF Limited | Extraterritorial | 2009 |
| KSM Logistics Limited | Transport & logistics | 2021 |
| KTN Group Limited | Real estate | 2021 |
| Kuddus Assets Limited | Real estate | 2021 |
| Kuddus Solicitors London Limited | Professional & scientific | 2011 |
| Lanetek Services Ltd | Other services | 2013 |
| Layer Marney Heating Limited | Energy | 2012 |
| LBP Real Estate Limited | Real estate | 2024 |
| Lemontank Ltd | Information & communication | 2023 |
| LEY Developments DS Ltd | Real estate | 2021 |
| LEY Developments KS Ltd | Real estate | 2021 |
| LEY Developments SS Ltd | Real estate | 2021 |
| Linklater Opticians Limited | Administrative & support | 2005 |
| LIZ Curry & Co Ltd | Professional & scientific | 2018 |
| Love’S Legacy Homes Property Services UK Limited | Real estate | 2026 |
| Lucidity Media Ltd | Information & communication | 2016 |
| Lynngray Limited | Real estate | 2022 |
| Lyons Brothers (U.K) Limited | Construction | 1943 |
| Macewell Consultants Ltd | Professional & scientific | 2013 |
| Malvale Limited | Hospitality | 2003 |
| Mantt Ltd | Real estate | 2018 |
| Mark Chick LLP | | 2009 |
| Maud Medical Limited | Health & social care | 2023 |
| Mckenna Land Limited | Construction | 2016 |
| Meadia Consulting Ltd | Other services | 2016 |
| MEC Ophthalmology Ltd | Wholesale & retail | 2024 |
| Merit Works Limited | Extraterritorial | 2012 |
| Mind + Matter Supplements Ltd | Wholesale & retail | 2025 |
| Morven Macsween Ltd | Other services | 2019 |
| Mosstrim Limited | Households | 1998 |
| Mowser Media Ltd | Information & communication | 2016 |
| MP Education Support Ltd | Education | 2026 |
| Murdochs Law Limited | Professional & scientific | 2015 |
| Murphy Mckenna Ltd | Construction | 2020 |
| Nationwide Construction (GB) Ltd | Construction | 2014 |
| Nicholas Care Group Ltd | Health & social care | 2016 |
| Nuncio International Limited | Administrative & support | 2006 |
| Nuncio Limited | Extraterritorial | 2007 |
| Nunn Contractors Limited | Construction | 2015 |
| Nycon Ltd. | Construction | 1996 |
| Obis 360 Limited | Administrative & support | 2005 |
| Outcom Limited | Professional & scientific | 2000 |
| P G T Media Consulting Ltd. | Administrative & support | 2011 |
| P.A.Mcqueen Limited | Professional & scientific | 2014 |
| P2 Design Limited | Professional & scientific | 1998 |
| P3 Capital Limited | Financial services | 2013 |
| Paradebuy Limited | Real estate | 1995 |
| Pasha Productions Limited | | 1992 |
| Pavilion Gallery Limited | Wholesale & retail | 2020 |
| Pbhrc Ltd | Administrative & support | 2016 |
| Pegasus Capital Ventures Ltd | Wholesale & retail | 2024 |
| Peka Building Services Limited | Construction | 2017 |
| Percy Langley Ltd | Wholesale & retail | 2021 |
| Petty SON & Prestwich Limited | Real estate | 2008 |
| Pita Properties Limited | Real estate | 2004 |
| Plans Writtle Ltd | Real estate | 2009 |
| Potential D Limited | Information & communication | 2005 |
| Powerful EV Limited | Construction | 2022 |
| Prospect Gaze Ltd | Professional & scientific | 2012 |
| Provenance & Green Ltd. | Manufacturing | 2001 |
| Quix Recruitment Group Ltd | Administrative & support | 2023 |
| R and M Developments (Essex) Ltd | Construction | 2021 |
| R and M Investments (Essex) Ltd | Financial services | 2021 |
| R M Glazing Limited | Construction | 2003 |
| RB Prostho Ltd | Health & social care | 2023 |
| Renal Dosage Limited | Health & social care | 2021 |
| Renew Able Contractors Limited | Energy | 2022 |
| Renroc Investment Properties Limited | Real estate | 2026 |
| Richmond & Partners (Design & Build) Limited | | 1986 |
| Roadstar Tyres & Exhaust Centres Limited | Wholesale & retail | 2005 |
| Roalco Security Shutters Limited | Administrative & support | 1988 |
| Romadorns Limited | Real estate | 1974 |
| RPL1 Ltd | Real estate | 2021 |
| RS Development (Essex) Ltd | Construction | 2021 |
| Rumi Medtech Limited | Information & communication | 2019 |
| Rupra Holdings Ltd | Financial services | 2023 |
| Sanger Housing Assocation Ltd | Real estate | 2024 |
| Scenesaver Ltd | Arts & recreation | 2020 |
| Sean Lock Limited | Information & communication | 2009 |
| Series Parallel Ltd | Construction | 2020 |
| Service Electrical Ltd | Construction | 2022 |
| Seven Fives Limited | Transport & logistics | 1992 |
| Shashi Ltd | Other services | 1998 |
| Shift Partner Limited | Information & communication | 2017 |
| Shiv Gohil Ltd | Professional & scientific | 2022 |
| Smartpoint Ltd | Financial services | 2025 |
| SO IT Goes Creative Limited | Information & communication | 2013 |
| Soccertutor.Com Limited | Information & communication | 2001 |