| "Q" (Chester Green) Management Company Limited | Households | 2007 |
| &DEV Consulting Limited | Information & communication | 2023 |
| &DEV Group Limited | Professional & scientific | 2023 |
| &DEV Limited | Information & communication | 2019 |
| 0086 Dance Studio Ltd | Wholesale & retail | 2023 |
| 04288591 Limited | Financial services | 2001 |
| 07778582 Ltd | Administrative & support | 2011 |
| 0TO1 Advisory Ltd | Information & communication | 2025 |
| 1 & 1A ST Albans Road Management Company Limited | Households | 2020 |
| 1 Access UK Ltd | Administrative & support | 2025 |
| 1 and 1 Rougamo Limited | Other services | 2018 |
| 1 ATM Limited | Other services | 2025 |
| 1 Cambridge Place Management Company Ltd | Households | 2021 |
| 1 Cowper Road Management Company Limited | Households | 2017 |
| 1 Deal Street Limited | Households | 1999 |
| 1 Swift Street Limited | Administrative & support | 2002 |
| 1 to 6 Priory Mews Management Co. Limited | Households | 2004 |
| 1 to 8 ELY Place RTM Company Limited | Extraterritorial | 2025 |
| 1-6 Mansfield Way Management Limited | Households | 2022 |
| 1-9 Wharf Place Management Company Limited | Households | 1999 |
| 10 Creative Ltd | Information & communication | 2002 |
| 10 Design Studio Ltd | Professional & scientific | 2024 |
| 10 More Minutes CIC | Health & social care | 2025 |
| 10 Percent True Ltd | Information & communication | 2023 |
| 100 Years Later Technology Co., Ltd | Wholesale & retail | 2023 |
| 100PERCENTFITNESS Limited | Arts & recreation | 2016 |
| 103 East Dulwich Grove Limited | Households | 2007 |
| 1066 Group Ltd | Manufacturing | 2015 |
| 1066 Holdings Ltd | Administrative & support | 2015 |
| 108 Gordon Road Management Limited | Households | 2005 |
| 11-8 Consultants Limited | Administrative & support | 2010 |
| 111 Properties Ltd | Real estate | 2023 |
| 116 and 118 Rustat Road Freehold Limited | Households | 2018 |
| 11937126 Ltd | Extraterritorial | 2019 |
| 11B/C Sunderland Road Limited | Professional & scientific | 2010 |
| 12 Cockburn ST Ltd | Extraterritorial | 2009 |
| 12 Degrees Limited | Administrative & support | 2006 |
| 12 Foot Limited | Professional & scientific | 2020 |
| 123 Improvements Ltd | Extraterritorial | 2022 |
| 124 Games Ltd | Manufacturing | 2025 |
| 125 Yorktown Road Management Limited | Households | 1995 |
| 126 London Road Management Company Peterborough Limited | Real estate | 2021 |
| 13-19 Leinster Square Freehold Limited | Households | 2018 |
| 132-138 Uxbridge Road Flat Management Ltd | Households | 2008 |
| 137 Mowbray Residential Ltd | Households | 2013 |
| 140 High Street Management Limited | Real estate | 2005 |
| 14296635 Limited | Wholesale & retail | 2022 |
| 145 ALL Saints Road Ltd | Real estate | 2024 |
| 15 Cambray Place (Management) Company Limited | Real estate | 2008 |
| 15 Stretten Avenue Management Company Limited | Households | 2021 |
| 15051216 Limited | Construction | 2023 |
| 15979130 Ltd | Wholesale & retail | 2024 |
| 160-166 SMG Freehold Management Company Limited | Real estate | 2004 |
| 161 Newmarket Road Limited | Households | 2019 |
| 16184739 Ltd | Information & communication | 2025 |
| 16203355 Ltd | Financial services | 2025 |
| 164 Coleridge Road Management Company Limited | Real estate | 2010 |
| 16601579 Ltd | Financial services | 2025 |
| 16899402 Ltd | Financial services | 2025 |
| 16PHD Ltd | Financial services | 2025 |
| 17 to 23 ELY Place RTM Company Limited | Extraterritorial | 2025 |
| 17-27 Garratts Way Downley RTM Limited | Households | 2007 |
| 1714 Consulting Ltd | Administrative & support | 2004 |
| 174 Hills Road Management Company Limited | Households | 2025 |
| 17CICADA Ltd | Manufacturing | 2021 |
| 1810 Trader Limited | Financial services | 2025 |
| 1856 Holdings Ltd | Administrative & support | 2012 |
| 1868 Capital Limited | Real estate | 2019 |
| 1875 Accounting Limited | Financial services | 2026 |
| 1875 CF Limited | Financial services | 2026 |
| 190 Portnall Road Limited | Households | 2004 |
| 1973 Films Limited | Information & communication | 2012 |
| 1PLEX Limited | Information & communication | 2011 |
| 1POINT5 Technologies Ltd | Information & communication | 2021 |
| 1RAVSON Ltd | Construction | 2021 |
| 1SPATIAL Group Limited | Information & communication | 2003 |
| 1SPATIAL Holdings Limited | Information & communication | 2004 |
| 1SPATIAL Limited | Information & communication | 2005 |
| 1ST Choice Pro Cleaning Services Ltd | Other services | 2025 |
| 1ST Connect Networks Limited | Professional & scientific | 2000 |
| 1ST Field Ltd | Agriculture & fishing | 2026 |
| 1ST National Limited | Extraterritorial | 2009 |
| 1ST National Property Services Limited | Administrative & support | 1994 |
| 1ST National Tradesmen Limited | Extraterritorial | 2005 |
| 1ST Property Group Ltd | Real estate | 2025 |
| 1ST Safety and Training Solutions Ltd | Administrative & support | 2009 |
| 1ST Team Roof Consultants Ltd | Construction | 2025 |
| 2 Go 2 Global Ltd | Wholesale & retail | 2019 |
| 2 Lisburn Road Newmarket Management Company Limited | Real estate | 1983 |
| 2-28 Woodpecker Way (Freehold) Limited | Households | 2024 |
| 2-9 Hazlewood Close RTM Company Ltd | Households | 2011 |
| 20 Degrees South Limited | Information & communication | 2011 |
| 2038 Solutions Ltd | Information & communication | 2018 |
| 209 Histon Road Residents Association Ltd | Households | 2017 |
| 209RADIO Limited | Arts & recreation | 2005 |
| 20MINDS Ltd | Information & communication | 2025 |
| 20MM Limited | Financial services | 2020 |
| 20MPH Technical Solutions Ltd | Manufacturing | 2021 |
| 21 Burma Road Management Company Limited | Households | 1983 |
| 21 Coley Hill Management Company Limited | Households | 2004 |