| 19 East Heath Management Co. Limited | Households | 1995 |
| 19 Eastdown Park Limited | Real estate | 2013 |
| 19 Eckstein Road Limited | Real estate | 2014 |
| 19 Egmont Road Sutton Residents Association Limited | Real estate | 1993 |
| 19 Elder Avenue Residents Company Limited | Extraterritorial | 1994 |
| 19 Entertainment and Digital World Limited | Professional & scientific | 2025 |
| 19 Entertainment Limited | Administrative & support | 1985 |
| 19 Events London Limited | Professional & scientific | 2012 |
| 19 Fawnbrake Avenue Limited | Households | 2001 |
| 19 Fife Road Limited | Construction | 2018 |
| 19 Frognal Limited | Households | 1987 |
| 19 Garfield Road (London) Limited | Households | 2013 |
| 19 Gascony Avenue Management Company Limited | Households | 2002 |
| 19 Gipsy Hill Management Limited | Households | 2021 |
| 19 Gledhow Gardens Freehold Limited | Households | 2018 |
| 19 Gleneagle Road Ltd | Households | 2016 |
| 19 Glenluce Road Freehold Ltd | Households | 2024 |
| 19 Gloucester Avenue Limited | Households | 2022 |
| 19 Gloucester Road Limited | Households | 1993 |
| 19 Gloucester Street Freehold Management Company Limited | Households | 2007 |
| 19 Goodwin Road (Freehold) Limited | Households | 2025 |
| 19 Gordon Road RTM Company Limited | Households | 2006 |
| 19 Graham Avenue Limited | Extraterritorial | 2008 |
| 19 Grange Road Limited | Real estate | 2016 |
| 19 Griffiths Road Management Company Limited | Households | 1994 |
| 19 Gunterstone Road Limited | Households | 2007 |
| 19 Hamilton Road Freehold Company Limited | Households | 2017 |
| 19 Haringey Park Management Company Limited | Hospitality | 1988 |
| 19 Haslemere Road Limited | Households | 2002 |
| 19 Heathfield Park Ltd | Real estate | 2020 |
| 19 Helix Gardens Freeholders Limited | Households | 2014 |
| 19 Hetley Road Management Ltd | Households | 2025 |
| 19 Hill Estate Limited | Real estate | 2023 |
| 19 Hindmans Road Limited | Households | 2025 |
| 19 Hormead Road Freehold Company Ltd | Households | 2026 |
| 19 Hornton Street Freehold Limited | Households | 2007 |
| 19 Horses Ltd | Information & communication | 2025 |
| 19 Hugh Street Limited | Households | 2017 |
| 19 Hyde Park Square (Freehold) Limited | Households | 2001 |
| 19 Hyde Park Square Limited | Real estate | 1982 |
| 19 Inverness Terrace Limited | Households | 2000 |
| 19 James Avenue Limited | Real estate | 2014 |
| 19 KA Limited | Real estate | 2021 |
| 19 Kilkie Street Fulham Limited | Hospitality | 2011 |
| 19 Kingsley Road Limited | Households | 2003 |
| 19 Kitchen Limited | Hospitality | 2022 |
| 19 Lambolle Road Management Company Limited | Households | 2010 |
| 19 Lawn Road Management Limited | Households | 1999 |
| 19 Leathwaite Road Limited | Real estate | 2025 |
| 19 Loftus Road Limited | Households | 2009 |
| 19 London Limited | Other services | 2018 |
| 19 Longridge Road Freehold Management Company Limited | Hospitality | 2005 |
| 19 Louvaine Road RTM Company Limited | Households | 2014 |
| 19 Lower Addison Gardens Freehold Company Limited | Real estate | 2002 |
| 19 Mabley Street Freehold Company Limited | Households | 2014 |
| 19 Macklin Street Management Co Limited | Households | 1995 |
| 19 Malvern Road Freehold Limited | Households | 2025 |
| 19 Manor Avenue SE4 Ltd | Extraterritorial | 2012 |
| 19 Maresfield Gardens Management Company Limited | Real estate | 2000 |
| 19 Marloes Road (1991) Limited | Households | 1991 |
| 19 Mayford Road Limited | Extraterritorial | 2022 |
| 19 Mecklenburgh Square Limited | Real estate | 2014 |
| 19 Melrose Road Freehold Company Limited | Households | 2023 |
| 19 Mexfield Road Limited | Households | 1997 |
| 19 Milton Road, Wimbledon Management Limited | Households | 1998 |
| 19 Milton Street Ltd | Real estate | 2025 |
| 19 Molyneux Street Management Company Limited | Households | 2002 |
| 19 Montrell Road Limited | Households | 2023 |
| 19 Moorhouse Road Limited | Households | 1981 |
| 19 Mount Ephraim Road Limited | Households | 2005 |
| 19 Munster Road Freehold Ltd | Real estate | 2022 |
| 19 Nassington Road (London) Freehold Limited | Households | 2016 |
| 19 Netherhall Gardens Limited | Extraterritorial | 2003 |
| 19 Nineteen Consultancy Ltd | Professional & scientific | 2026 |
| 19 Norfolk Limited | Real estate | 2018 |
| 19 Oakfield Management Limited | Households | 2016 |
| 19 Oakley Street Limited | Households | 1993 |
| 19 of Everything Limited | Arts & recreation | 2023 |
| 19 Palliser Road (Freehold) Limited | Households | 2010 |
| 19 Park Hall Road Ltd | Households | 2020 |
| 19 Park Square East Ltd | Construction | 2019 |
| 19 Parkwood Road Limited | Households | 2024 |
| 19 Pemberton Road (Freehold) Limited | Households | 2023 |
| 19 Pembridge Crescent (Freehold) Limited | Households | 2014 |
| 19 Pembridge Square Limited | Households | 2004 |
| 19 Pembridge Villas Limited | Financial services | 2017 |
| 19 Philbeach Gardens Management Company Limited | Households | 2010 |
| 19 Private Staff Limited | Other services | 2018 |
| 19 PS Holding Ltd | Real estate | 2010 |
| 19 Queen's Gate Place Limited | Professional & scientific | 2003 |
| 19 Queens Gate RTM Company Limited | Households | 2011 |
| 19 Queensgate Terrace Limited | Households | 1984 |
| 19 Queensthorpe Road Limited | Households | 2021 |
| 19 Radford Road (Freehold) Limited | Real estate | 2015 |
| 19 Rastell Avenue Ltd | Real estate | 2023 |
| 19 Recordings Limited | Arts & recreation | 1998 |
| 19 Redcliffe Square Limited | Households | 2002 |
| 19 Retail Limited | Wholesale & retail | 2025 |
| 19 Ribblesdale Road RTM Company Ltd | Households | 2022 |
| 19 Roehampton Lane Limited | Households | 2009 |