| 41 Graham Road Ltd | Real estate | 2022 |
| 41 Great Russell Street Ltd | Real estate | 2025 |
| 41 Greyhound Lane (Management) Company Limited | Hospitality | 2005 |
| 41 GRS Commerical Ltd | Real estate | 2025 |
| 41 GRS Ltd | Real estate | 2025 |
| 41 Gubyon Avenue Right to Manage Company Limited | Households | 2010 |
| 41 Gwendwr Road Limited | Real estate | 2017 |
| 41 Halliford ST Limited | Households | 2007 |
| 41 Hamilton Road Management Company Limited | Households | 2015 |
| 41 Hartfield Crescent Freehold Limited | Extraterritorial | 2001 |
| 41 Heathfield Road Acton Management Company Limited | Households | 2015 |
| 41 Hermon Hill RTM Company Limited | Households | 2010 |
| 41 Hillmarton Road (Freehold) Company Limited | Hospitality | 2007 |
| 41 Holland Close Freehold Limited | Households | 2024 |
| 41 Hopton Road Limited | Real estate | 2006 |
| 41 Investments Cube Apts Ltd | Real estate | 2026 |
| 41 Investments Limited | Real estate | 2013 |
| 41 IVY Crescent (Freehold) Limited | Households | 2016 |
| 41 Kellett Road Limited | Real estate | 2003 |
| 41 Kempshott Road (Freehold) Company Limited | Real estate | 2008 |
| 41 Kenninghall Road (London) Limited | Households | 2016 |
| 41 KEW Foot Road Limited | Financial services | 2017 |
| 41 Kimber Road Limited | Households | 2006 |
| 41 Kingston Road (Management) Limited | Real estate | 2019 |
| 41 Ladbroke Grove (Freehold) Limited | Households | 2024 |
| 41 Lancaster Grove Limited | Households | 1986 |
| 41 Leamington Road Villas Limited | Households | 1995 |
| 41 Leathwaite Road Management Company Limited | Households | 2000 |
| 41 Lewin Road Residents Company Limited | Households | 1987 |
| 41 Leyland Road Management Company Limited | Households | 2007 |
| 41 Limited | Households | 1995 |
| 41 London Flat Limited | Households | 2024 |
| 41 Longridge Road Limited | Households | 2020 |
| 41 Lowndes Street Limited | Real estate | 2008 |
| 41 Lyford Road Limited | Households | 2018 |
| 41 Lyncroft Gardens Management (NO2) Limited | Professional & scientific | 1989 |
| 41 Lynton Management Limited | Real estate | 1985 |
| 41 Malvern Road Limited | Households | 2006 |
| 41 Management Ltd | Households | 2021 |
| 41 Manor Road RTM Company Limited | Households | 2024 |
| 41 Manville Road Residents Association Limited | Households | 1989 |
| 41 Melford Road (Management) Co. Limited | Households | 1983 |
| 41 Montefiore Street RTM Company Ltd | Households | 2026 |
| 41 Moore Park Road Limited | Households | 1998 |
| 41 Mount Ephraim Management Limited | Households | 1991 |
| 41 Mowbray Road Limited | Households | 2024 |
| 41 Muswell Hill Limited | Households | 2016 |
| 41 Mysore Road Ltd | Real estate | 2019 |
| 41 North END Road Limited | Households | 2017 |
| 41 Northside Residents, Association Limited | Households | 1972 |
| 41 Osborne Road Limited | Households | 2014 |
| 41 Overhill Road Limited | Households | 2018 |
| 41 Oxford Road (Ealing) Limited | Real estate | 2013 |
| 41 Peckham Road RTM Company Limited | Households | 2025 |
| 41 Petherton Limited | Households | 2013 |
| 41 Properties Ltd | Real estate | 2025 |
| 41 Quernmore Road Freehold Company Limited | Households | 2026 |
| 41 Roland Gardens Limited | Households | 2015 |
| 41 Rosebery Gardens Property Management Limited | Households | 2015 |
| 41 Rutland Gardens Management Limited | Households | 2018 |
| 41 Saltoun Road Freehold Limited | Real estate | 2025 |
| 41 Saltoun Road RTM Company Limited | Households | 2021 |
| 41 Sangley Road RA Ltd | Households | 2010 |
| 41 Santley Street RTM Company Limited | Households | 2022 |
| 41 Savile ROW Limited | Hospitality | 2025 |
| 41 Sisters Avenue Management Limited | Households | 2004 |
| 41 Sky Views Ltd | Real estate | 2024 |
| 41 Sotheby Road, Highbury, N5 Limited | Hospitality | 2007 |
| 41 Southampton Way Limited | Households | 2023 |
| 41 ST George's Square Limited | Households | 2008 |
| 41 ST Johns Avenue Management Company Limited | Households | 2000 |
| 41 ST Stephens Avenue Limited | Households | 2017 |
| 41 ST. George's Drive Limited | Real estate | 2021 |
| 41 ST. Luke's Avenue RTM Company Limited | Households | 2018 |
| 41 Stapleton Hall Road Limited | Households | 2016 |
| 41 Strathblaine Road Limited | Hospitality | 2001 |
| 41 Talbot Road Ltd | Real estate | 2025 |
| 41 Tamworth Street Management Limited | Households | 2019 |
| 41 Tedworth Square (Freehold) Limited | Real estate | 2016 |
| 41 Thurloe Square Company Limited | Households | 2007 |
| 41 Tooting BEC Gardens Freehold Limited | Households | 2020 |
| 41 Upper Brockley Road Limited | Households | 1991 |
| 41 Upper Brook Street Management Limited | Households | 2001 |
| 41 Valetta Road Limited | Households | 2015 |
| 41 Vera Road Management Ltd | Households | 2026 |
| 41 Victoria Road (London) Freehold Limited | Households | 2024 |
| 41 Victoria Road Limited | Real estate | 2023 |
| 41 Waldemar Avenue Owners Corporation Limited | Real estate | 2012 |
| 41 Warrington Crescent Limited | Households | 1985 |
| 41 West Park Limited | Households | 2017 |
| 41 Whitfield Street Limited | Arts & recreation | 2024 |
| 41 Wilson Road Freehold Limited | Households | 2025 |
| 41 Windsor Road (Ealing) Limited | Real estate | 2021 |
| 41 Woodland Gardens Freehold Limited | Households | 2020 |
| 41 Woolstone Road Limited | Households | 2024 |
| 41 Wray Crescent Management Company Limited | Real estate | 1991 |
| 41, 41A, and 41B, Canfield Gardens Residents Association | Households | 1972 |
| 41, Mapesbury Road Limited | Households | 1988 |
| 41, Portland Road, Freehold Limited | Households | 1974 |
| 41-41A Algernon Road Ltd | Real estate | 2021 |