| 607 Media Ltd | Information & communication | 2022 |
| 60:22 Legal Advisory Limited | Information & communication | 2025 |
| 60DEGREESCOFFEE Ltd | Wholesale & retail | 2024 |
| 60DS Consulting Ltd | Professional & scientific | 2025 |
| 60FORTY Developments Limited | Information & communication | 2021 |
| 60FORTY Films Limited | Information & communication | 2020 |
| 60GPS Propco Limited | Real estate | 2025 |
| 60HOLDINGS Limited | Wholesale & retail | 2024 |
| 60HQ Ltd | Real estate | 2024 |
| 60HQ Partners Ltd | Real estate | 2025 |
| 60HQ Partners SUB Ltd | Real estate | 2026 |
| 60SECONDS Ltd | Wholesale & retail | 2020 |
| 60TH Parallel SPV Ltd | Administrative & support | 2025 |
| 60X Ltd | Information & communication | 2025 |
| 61 & 63 SF Limited | Households | 2025 |
| 61 Aberdare Gardens Limited | Households | 1966 |
| 61 Allnutts Road Management Limited | Households | 2006 |
| 61 Avonmore Road Limited | Households | 2003 |
| 61 Babington Road RTM Company Limited | Real estate | 2013 |
| 61 Barrow Road Limited | Real estate | 2020 |
| 61 Bedford Road Management Co. Ltd. | Real estate | 1998 |
| 61 Belsize Park Management Company Limited | Households | 1994 |
| 61 Broadfield Road RTM Company Limited | Households | 2021 |
| 61 Cadogan Square (Freehold) Limited | Real estate | 2012 |
| 61 Cadogan Square Tenants Limited | Households | 1968 |
| 61 Cambridge Gardens Limited | Households | 2000 |
| 61 Carleton Road Residents Association Limited | Real estate | 1972 |
| 61 Chalton Street, London Management Company Limited | Real estate | 2012 |
| 61 Chardmore Road Ltd | Households | 2013 |
| 61 Cleveland Street Management Limited | Real estate | 2018 |
| 61 Colfe Road Limited | Households | 2011 |
| 61 Cornwall Gardens Limited | Households | 1993 |
| 61 Cricketfield Road (RTE) Limited | Extraterritorial | 2008 |
| 61 Cromwell Avenue Management Company Limited | Households | 2019 |
| 61 Devonshire Road Limited | Households | 2013 |
| 61 Devonshire Road RTM Company Limited | Households | 2005 |
| 61 Drayton Park Limited | Professional & scientific | 2000 |
| 61 Ealing Right to Manage Company Limited | Households | 2013 |
| 61 Edbrooke Road Limited | Households | 2006 |
| 61 Elsham Road (RTE) Limited | Households | 2006 |
| 61 Fernthorpe Road (Freehold) Company Limited | Households | 2023 |
| 61 Fintech LLP | | 2020 |
| 61 FMC Limited | Households | 2004 |
| 61 Franciscan Road Freeholding Company Limited | Extraterritorial | 1995 |
| 61 George Road Freehold Limited | Households | 2019 |
| 61 Gibson Square Limited | Households | 2000 |
| 61 Goldhurst Terrace (Management Company) Ltd | Households | 2025 |
| 61 Grange Road Management Limited | Households | 1978 |
| 61 Great Cumberland Place Limited | Construction | 1983 |
| 61 Grovelands Road Management Co. Ltd | Real estate | 2002 |
| 61 Gwendwr Road Management Company Limited | Households | 1993 |
| 61 Harcourt Terrace Limited | Households | 2002 |
| 61 Harrington Gardens Limited | Households | 2017 |
| 61 Haven Lane Property Management Limited | Real estate | 2019 |
| 61 Highview Road W13 0HA Ltd | Real estate | 2022 |
| 61 Hillfield Road Limited | Real estate | 2008 |
| 61 Holland Park Limited | Households | 2000 |
| 61 Holland Road Limited | Households | 2019 |
| 61 Ingelow Road Limited | Real estate | 2022 |
| 61 Inverness Terrace (Residents) Company Limited | Households | 1975 |
| 61 Kenninghall Road Management Ltd | Administrative & support | 2016 |
| 61 Kensington Court Limited | Households | 2005 |
| 61 Linden Gardens Management Company Limited | Real estate | 1986 |
| 61 Longridge Road Limited | Households | 2005 |
| 61 Lordship Road N16 Limited | Real estate | 2003 |
| 61 Lower Richmond Freehold Ltd | Real estate | 2019 |
| 61 Lyndhurst Drive Management Company Limited | Households | 2026 |
| 61 Manchuria Road Freehold Limited | Households | 2021 |
| 61 Merchant Group Limited | Wholesale & retail | 2016 |
| 61 Mildmay Park Ltd | Households | 2003 |
| 61 Montagu Ltd | Construction | 2025 |
| 61 Montem Road Limited | Hospitality | 1996 |
| 61 Newlands Park Limited | Real estate | 2008 |
| 61 Oaklands Road (Management) Limited | Households | 2020 |
| 61 Old Brompton Road Limited | Real estate | 2025 |
| 61 Ongar Road Ltd | Hospitality | 2009 |
| 61 Philbeach Gardens Limited | Real estate | 2008 |
| 61 Princes Street RTM Company Limited | Households | 2010 |
| 61 Priory Road (NW6) Limited | Households | 2006 |
| 61 PS Ltd | Extraterritorial | 2009 |
| 61 QD Management Company Limited | Households | 2022 |
| 61 Queens Gardens (Freehold) Limited | Households | 2015 |
| 61 Queens Gate Freehold Limited | Households | 2010 |
| 61 Ramsden Road Limited | Households | 2019 |
| 61 Redcliffe Gardens Limited | Households | 1998 |
| 61 Ridge Road Ltd | Administrative & support | 2007 |
| 61 Sandrock Road RTM Company Ltd | Households | 2014 |
| 61 Sherriff Road (Freehold) Limited | Households | 2010 |
| 61 Sinclair Road Limited | Households | 1989 |
| 61 ST Aubyns Limited | Real estate | 2013 |
| 61 ST Pauls Avenue Freehold Ltd | Real estate | 2014 |
| 61 ST Peter's Street Ltd | Real estate | 2013 |
| 61 Stanhope Gardens Freehold Limited | Households | 2019 |
| 61 Stanhope Gardens RTM Company Ltd | Households | 2020 |
| 61 Stile Hall Gardens Ltd. | Households | 2005 |
| 61 Tabor Road Residents Ltd | Households | 2006 |
| 61 Talbot Road Management Limited | Real estate | 2002 |
| 61 Tudor Road Ltd | Households | 1997 |
| 61 Union Road Management Company Limited | Real estate | 2004 |
| 61 Upper Brockley Road Limited | Professional & scientific | 2000 |