| 101 Finance Limited | Financial services | 2026 |
| 174 Holders Hill Ltd | Households | 2016 |
| 4 Penywern Road Limited | Households | 1993 |
| 474 Holdings Ltd | Real estate | 2019 |
| 6 Hornsey Rise Limited | Real estate | 2003 |
| 777STORES Worldwide Ltd | Wholesale & retail | 2022 |
| A & M Photography Limited | Other services | 2006 |
| A & T Kumar Ltd | Wholesale & retail | 2014 |
| Abbey View Estates Limited | Real estate | 2000 |
| AEM Consulting Limited | Professional & scientific | 2010 |
| AFA Estates Limited | Real estate | 2000 |
| Albacourt Limited | Real estate | 1971 |
| Albourne Ltd | Arts & recreation | 2003 |
| Alexander Wadham-Corn (Development Co.) Limited | Real estate | 1987 |
| ALL Dental Care Limited | Professional & scientific | 2011 |
| Alwaysgro Ltd | Information & communication | 2012 |
| Amlan Kumar Ghoshal and Company Limited | Professional & scientific | 2003 |
| Analysystems Limited | Other services | 2002 |
| Andrew Steele Media Limited | Professional & scientific | 2017 |
| Anka Consulting Limited | Health & social care | 2010 |
| Anthony Holt & Sons Ltd | Manufacturing | 2015 |
| Apgo Media Limited | Information & communication | 2010 |
| Ardcorps Limited | Arts & recreation | 2020 |
| Art Hub LDN Limited | Education | 2023 |
| Artown Limited | Real estate | 2017 |
| Artpietra UK Ltd | Construction | 2024 |
| Assetica Consulting Limited | Professional & scientific | 2025 |
| Avante Capitale Limited | Professional & scientific | 2016 |
| Avonlea Healthcare Ltd | Health & social care | 2022 |
| Axismarket Limited | Real estate | 1985 |
| Ballards Valley Ltd | Real estate | 2025 |
| Baselink Properties Limited | Professional & scientific | 2003 |
| Beauchamp Limited | Professional & scientific | 1996 |
| Beauvia Limited | Health & social care | 2019 |
| Beeston Properties Limited | Real estate | 1987 |
| BEN Thompson Photography Limited | Professional & scientific | 2004 |
| Bentley Properties (CG) Limited | Extraterritorial | 2004 |
| Bespoke Residential Limited | Real estate | 2003 |
| Bgcs Pubs Ltd | Hospitality | 2015 |
| BHM Nine Limited Liability Partnership | | 2010 |
| BHM Seven Limited Liability Partnership | | 2010 |
| BHM Seventeen Limited Liability Partnership | | 2014 |
| BHM Sixteen Limited Liability Partnership | | 2014 |
| BHM TEN Limited Liability Partnership | | 2010 |
| BHM Thirteen Limited Liability Partnership | | 2014 |
| BHM Three Limited Liability Partnership | | 2009 |
| BHM Twelve Limited Liability Partnership | | 2012 |
| BHM Two Limited Liability Partnership | | 2009 |
| Big 5 Games Limited | Information & communication | 2015 |
| Big Kids Toys Ltd | Wholesale & retail | 2024 |
| Bilaford Commodity & Property Co. Limited | Real estate | 1972 |
| Bimo Limited | Professional & scientific | 2008 |
| Blenheim Properties Limited | Real estate | 2005 |
| Boldran Limited | Households | 1986 |
| Branlink Limited | Professional & scientific | 2002 |
| Bright Moon Investments Limited | Financial services | 2010 |
| Brighter Day Products Limited | Extraterritorial | 2016 |
| Brinmore Limited | Other services | 2012 |
| British Overseas Business Systems Limited | Professional & scientific | 1996 |
| Bromley Construction Group Ltd | Other services | 2019 |
| Broughinge Ltd | Professional & scientific | 2012 |
| Brownshill Ltd | Administrative & support | 2025 |
| Bslk Properties Limited | Real estate | 2024 |
| Burntday Limited | Professional & scientific | 2001 |
| C&D Property Maintenance Limited | Construction | 2015 |
| C.J. O'Shea (Plant Hire) Limited | Administrative & support | 1986 |
| C.J.O'Shea and Company Limited | Construction | 1968 |
| Camden Court Management Limited | Real estate | 1997 |
| Cancer Innovate Limited | Professional & scientific | 2026 |
| Casa Properties (London) Ltd | Real estate | 2023 |
| Chadd Garvie Management Limited | Other services | 2018 |
| Chappell Investment Properties Limited | Extraterritorial | 2014 |
| Charles JS Limited | Professional & scientific | 2022 |
| Chase Lodge Pharma Ltd | Wholesale & retail | 2024 |
| Cheryl Hart Limited | Wholesale & retail | 1994 |
| Chesterfields Finance Limited | Professional & scientific | 1991 |
| Chesterfields Insurance Services Limited | Financial services | 1994 |
| Chesterfields Limited | Extraterritorial | 2003 |
| CIA Nails & Beauty Ltd | Wholesale & retail | 2019 |
| Cilco Consulting | | 2001 |
| City Square Properties Limited | Professional & scientific | 1988 |
| Citychoice Limited | Real estate | 1997 |
| Coffee Story Limited | Wholesale & retail | 2019 |
| Compupeople Limited | Extraterritorial | 2000 |
| Construction Designed Solutions Limited | Wholesale & retail | 2000 |
| Contract and Personnel Services Limited | Administrative & support | 2012 |
| Copper Ocean Limited | Information & communication | 2010 |
| Coscomp Limited | Real estate | 1973 |
| Costboss Limited | Information & communication | 2003 |
| Cowboy Renovations Limited | Real estate | 2024 |
| Cumshaw Limited | Real estate | 1975 |
| Curry-Hyde LLP | | 2008 |
| Cynefin Solutions Ltd | Professional & scientific | 2023 |
| D G Capital Limited | Real estate | 2004 |
| D G International Holdings Limited | Professional & scientific | 2004 |
| D J J Estates Limited | Real estate | 1995 |
| D'Silva Limited | Other services | 2004 |
| Danijela Limited | Professional & scientific | 2005 |
| Dartmouth Road Properties Limited | Households | 2014 |
| Data Logic Consulting | | 2001 |