| 2TROM Media Group Ltd | Information & communication | 2018 |
| 2UNITED Ltd | Health & social care | 2020 |
| 3 DOT Food Ltd | Extraterritorial | 2017 |
| 3 DOT Herts Limited | Hospitality | 2019 |
| 3 Gloucester Drive RTM Company Limited | Households | 2018 |
| 3-CS Projects Ltd | Construction | 2022 |
| 31 Broadhurst Gardens Limited | Households | 1995 |
| 31 Gautrey Road RTM Company Limited | Households | 2011 |
| 31-33 Monmouth Road RTM Company Limited | Households | 2011 |
| 32/34 Breakspears Road Management Company Limited | Households | 2008 |
| 33 Ewelme Road Management Company Limited | Households | 2006 |
| 33 Fernwood Avenue RTM Company Limited | Households | 2017 |
| 33-38 Meadowfields RTM Company Limited | Households | 2011 |
| 35 Birdhurst Road Limited | Households | 2000 |
| 35 Mount Pleasant Road RTM Company Limited | Households | 2016 |
| 35/37 Kidbrooke Park Residents Association Limited | Households | 1979 |
| 354-356 London Road (Freehold) Limited | Households | 2025 |
| 36 Bellevue Road RTM Company Limited | Households | 2014 |
| 36-39 Brigden Street (Brighton) Limited | Households | 2009 |
| 36-94 Plover Way RTM Company Limited | Households | 2010 |
| 360AUTO Ltd | Wholesale & retail | 2024 |
| 369 Developers Ltd | Real estate | 2021 |
| 37 Mundania Road RTM Company Ltd | Households | 2014 |
| 38-45 Clapton Square RTM Company Limited | Households | 2025 |
| 39 Monson Road RTM Company Limited | Households | 2014 |
| 3A Projects Ltd | Construction | 2019 |
| 3AM Homes Limited | Real estate | 2024 |
| 3CR BIO Limited | Manufacturing | 2017 |
| 3CR Bioscience Holdings Limited | Manufacturing | 2022 |
| 3CR Bioscience Limited | Manufacturing | 2017 |
| 3D Lighthousse Healthcare Ltd | Administrative & support | 2026 |
| 3D Site Surveys Ltd | Construction | 2014 |
| 3M Business Support Services Ltd | Transport & logistics | 2018 |
| 3PLEJ Party Hire Ltd | Hospitality | 2024 |
| 3SIXTY Dream Properties Limited | Real estate | 2026 |
| 4 Fantastic Ltd | Construction | 2018 |
| 4 Rose Hill RTM Company Limited | Households | 2024 |
| 409-423 Kenton Road Residents Association Limited | Households | 2018 |
| 41 JH Ltd | Real estate | 2024 |
| 41 Shaftesbury Road RTM Company Limited | Households | 2020 |
| 42 Wellington Road Owners Limited | Households | 2017 |
| 44 Kidderminster Road RTM Company Limited | Households | 2011 |
| 44 Warden Avenue Ltd | Real estate | 2026 |
| 45 New King Street Bath (Management) Limited | Households | 1988 |
| 467/471/473 Oxford Road Ltd | Real estate | 2017 |
| 47 and 48 ST Bede’S Gardens (Freehold) Limited | Households | 2018 |
| 48 Fulham Park Gardens Residents Association Limited | Households | 1984 |
| 48 Valkyrie Road RTM Company Limited | Households | 2016 |
| 4I-SMILE Ltd | Other services | 2021 |
| 4INTEGRITY Ltd | Education | 2016 |
| 4WHEELS Car Parts Ltd | Wholesale & retail | 2024 |
| 5 Star Pet Care Services Limited | Other services | 2014 |
| 5 Troy Road RTM Company Limited | Households | 2016 |
| 5-8 Station Approach RTM Company Limited | Households | 2016 |
| 5-A-SIDE Pitch Hire Ltd | Arts & recreation | 2023 |
| 50-60 Milligan Street RTM Company Ltd | Households | 2015 |
| 504-506 Kingsland Road RTM Company Limited | Households | 2017 |
| 50A Palace Road RTM Company Limited | Households | 2013 |
| 51 Chippenham Road RTM Company Limited | Households | 2015 |
| 51 Follett Street RTM Company Limited | Households | 2014 |
| 51 Rita Road RTM Company Limited | Households | 2025 |
| 51 Thornton Avenue RTM Company Limited | Households | 2017 |
| 52 Maresfield Gardens Freehold Limited | Households | 1997 |
| 52 Salisbury Road RTM Company Limited | Households | 2017 |
| 53 Knollys Road RTM Company Limited | Households | 2015 |
| 55 Crown Road Limited | Real estate | 2022 |
| 56 Anerley Park Limited | Households | 2003 |
| 56 Thicket Road Limited | Households | 1995 |
| 56 Upper Clapton RD Ltd | Households | 2022 |
| 57 Ladbroke Road Management Company Ltd | Households | 2022 |
| 59 Charlton Church Lane RTM Company Limited | Households | 2023 |
| 5IX Ltd | Wholesale & retail | 2019 |
| 5TH Essence Consulting Limited | Information & communication | 2015 |
| 6 Bycullah Road RTM Company Limited | Households | 2017 |
| 6 London Road Cheltenham Management Company Limited | Households | 1992 |
| 6 Montpelier Road RTM Company Limited | Households | 2015 |
| 6-11 Vince Dunn Mews RTM Company Limited | Households | 2024 |
| 609 - 619 Rochford GD RTM Company Limited | Households | 2016 |
| 61 Richborne Terrace RTM Company Limited | Households | 2011 |
| 62-66 Milligan Street RTM Company Ltd | Households | 2016 |
| 63 Northampton Road RTM Company Limited | Households | 2025 |
| 64 Graham Road RTM Company Limited | Households | 2012 |
| 65 Broomwood Road Management Company Limited | Households | 2002 |
| 66 Maresfield Gardens Freehold Limited | Households | 1999 |
| 67 Leicester Road RTM Company Limited | Households | 2024 |
| 68 Natal Road RTM Company Limited | Households | 2017 |
| 69ENTERTAINMENTBRAND Ltd | Professional & scientific | 2022 |
| 7 Church Terrace RTM Company Limited | Households | 2023 |
| 7 Salisbury Road Sussex Limited | Households | 2012 |
| 7 Stepz Ltd | Financial services | 2022 |
| 7&9 Hyde Park Mansions RTM Company Limited | Households | 2010 |
| 7-9 Balham Grove Freehold Limited | Administrative & support | 2008 |
| 70 Bromley Road RTM Company Limited | Households | 2011 |
| 71 Crystal Palace Park Road 1 RTM Company Limited | Households | 2006 |
| 72 Alderney Street Management Limited | Households | 1998 |
| 72 Gloucester Street Ltd | Households | 2010 |
| 72-88 Milligan Street RTM Company Ltd | Households | 2016 |
| 727 Toolhire Ltd | Administrative & support | 2016 |
| 74 and 78 Cardigan Road London Limited | Households | 2018 |
| 74 Carlton Hill Management Limited | Households | 1998 |