| 7 Skies Beauty Ltd | Wholesale & retail | 2020 |
| 7 Sky Consultancy Limited | Education | 2022 |
| 7 Sky Solutions Limited | Construction | 2025 |
| 7 Sky Spa Ltd | Other services | 2020 |
| 7 Sloane Avenue Limited | Households | 2015 |
| 7 Sloane Street Management Company Limited | Households | 1977 |
| 7 Southwick Place Limited | Real estate | 2024 |
| 7 Spheres C.I.C. | Health & social care | 2020 |
| 7 Spheres Consulting Limited | Information & communication | 2025 |
| 7 Squares Management Ltd | Real estate | 2023 |
| 7 ST Andrews Road Limited | Households | 2010 |
| 7 ST Ann's Gardens Limited | Households | 2013 |
| 7 ST James's Square Limited | Real estate | 2019 |
| 7 ST Johns Road Management Company Limited | Real estate | 1998 |
| 7 ST. Ann's Park Road Limited | Households | 1993 |
| 7 ST. Cuthberts Road Limited | Households | 2003 |
| 7 ST. James' Drive Management Limited | Extraterritorial | 1997 |
| 7 ST. Johns Park Limited | Professional & scientific | 1988 |
| 7 ST. Lawrence Terrace (Management) Limited | Professional & scientific | 1990 |
| 7 ST. Stephens Terrace Management Company Limited | Real estate | 1987 |
| 7 Stanger Road RTM Company Limited | Households | 2019 |
| 7 Stanhope Road Management Company Limited | Households | 1983 |
| 7 Star Car Wash Romford Ltd | Other services | 2017 |
| 7 Star Chicken Ltd | Hospitality | 2024 |
| 7 Star Cleaning Ltd | Administrative & support | 2023 |
| 7 Star Construction Services Ltd | Construction | 2017 |
| 7 Star Foods Limited | Wholesale & retail | 2015 |
| 7 Star Mart Ltd | Wholesale & retail | 2025 |
| 7 Star Motors Limited | Wholesale & retail | 2015 |
| 7 Star Property Services Ltd | Real estate | 2022 |
| 7 Star Traders Limited | Wholesale & retail | 2016 |
| 7 Star Training Ltd | Information & communication | 2021 |
| 7 Stars Collective Ltd | Hospitality | 2025 |
| 7 Stars Construction & Design Ltd | Construction | 2025 |
| 7 Stars Investment Limited | Professional & scientific | 2015 |
| 7 Stars NDA Ltd | Wholesale & retail | 2024 |
| 7 Stars Shutters London Ltd | Manufacturing | 2025 |
| 7 Steeles Road Limited | Households | 2003 |
| 7 Stirling Road Limited | Households | 2026 |
| 7 Strathmore Gardens Limited | Households | 2022 |
| 7 Sulina Road Limited | Households | 2012 |
| 7 Sunderland Terrace Freehold Company Limited | Real estate | 2015 |
| 7 Sunny Gardens (Freehold) Limited | Households | 2022 |
| 7 Suns Limited | Administrative & support | 2017 |
| 7 Tennyson Road Management Limited | Households | 2016 |
| 7 Thanet Court Limited | Real estate | 2015 |
| 7 the Vale Freehold Ltd | Administrative & support | 2016 |
| 7 Thirsk Road Limited | Real estate | 2023 |
| 7 Thorney Hedge Road Limited | Households | 2013 |
| 7 Thornhill Crescent Limited | Households | 2005 |
| 7 Thornton Avenue (Freehold) Limited | Real estate | 2012 |
| 7 to 7 Cleaning and Recruitment Ltd | Administrative & support | 2024 |
| 7 Topaz Ltd | Real estate | 2023 |
| 7 Trentham Street Management Company Limited | Households | 2000 |
| 7 Treport Street Property Management Limited | Extraterritorial | 1988 |
| 7 Trouville Road (Freehold) Limited | Extraterritorial | 2006 |
| 7 Turnberry Quay Ltd | Wholesale & retail | 2021 |
| 7 Tyers Gate Ltd | Households | 2022 |
| 7 Tyndale Terrace Management Limited | Households | 2008 |
| 7 Upper Addison Gardens Freehold Company Limited | Households | 2021 |
| 7 Upper Tollington Park Management Company Limited | Households | 2021 |
| 7 Vartry Road Limited | Households | 2008 |
| 7 Venner Road Freehold Limited | Households | 2026 |
| 7 Venture Private Ltd | Wholesale & retail | 2025 |
| 7 Vera Road Freehold Limited | Households | 2013 |
| 7 Vermont Road Ltd | Households | 2016 |
| 7 Victoria Road Management Company Ltd | Households | 2024 |
| 7 Warrington Crescent (1995) Limited | Households | 1997 |
| 7 Warrington Gardens Limited | Households | 1988 |
| 7 Warwick Court Limited | Households | 2020 |
| 7 Waveney Avenue Freehold Limited | Households | 2021 |
| 7 Wedderburn Freehold Ltd | Other services | 2023 |
| 7 Wedderburn Road Resident Freehold Limited | Households | 2023 |
| 7 Westbourne Terrace Company Limited | Households | 2003 |
| 7 Westdown Road Management Company Limited | Households | 2019 |
| 7 Westway Management Company Ltd | Households | 2010 |
| 7 Wetherby Gardens Limited | Real estate | 1996 |
| 7 Wetherby Place RTM Company Limited | Households | 2005 |
| 7 Whitehall Ltd | Real estate | 2021 |
| 7 Whiteley Road Limited | Households | 2012 |
| 7 Willows Property Limited | Real estate | 2021 |
| 7 Winchester Road Limited | Real estate | 2002 |
| 7 Windmill Road (London) Limited | Real estate | 2012 |
| 7 Wolseley Road Limited | Real estate | 2002 |
| 7 Woodborough Road Limited | Financial services | 2017 |
| 7 Woodchurch Road Management Limited | Households | 1998 |
| 7 Woodville Gardens Limited | Households | 1995 |
| 7 Xcellence Ltd | Professional & scientific | 2024 |
| 7&7A Welbeck Close RTM Co. Limited | Households | 2015 |
| 7&B Ltd | Wholesale & retail | 2024 |
| 7-10 Connaught Place Limited | Real estate | 2012 |
| 7-10 Hill Grove House Company Limited | Households | 2012 |
| 7-10 Warwick Square Freehold Limited | Households | 1991 |
| 7-11 Evelyn Gardens Limited | Households | 2004 |
| 7-11 Princes Gate Limited | Real estate | 2007 |
| 7-11 Princes Gate RTM Company Limited | Households | 2023 |
| 7-12 Bavent Road Limited | Households | 2024 |
| 7-12 Clifford Court RTM Company Limited | Households | 2021 |
| 7-12 the Firs Management Company Limited | Real estate | 2013 |
| 7-13 Systems Ltd | Information & communication | 2015 |