| 16943994 Ltd | Information & communication | 2026 |
| 16959859 Limited | Financial services | 2026 |
| 16960026 Ltd | Construction | 2026 |
| 169QUEENSTOWN Limited | Real estate | 2012 |
| 16B Addington Ltd | Real estate | 2022 |
| 16B Highfield Hill Ltd | Households | 2021 |
| 16BC Property Limited | Real estate | 2025 |
| 16BY9 Ltd | Administrative & support | 2023 |
| 16CS Holding Ltd | Financial services | 2021 |
| 16CS Lease Ltd | Real estate | 2021 |
| 16CS Operations Ltd | Hospitality | 2021 |
| 16DEGREES67 Ltd | Professional & scientific | 2006 |
| 16GHR Ltd | Households | 2024 |
| 16HARLEYCO Limited | Other services | 2018 |
| 16K Agency Limited | Professional & scientific | 2021 |
| 16K Studios Limited | Information & communication | 2023 |
| 16NINETYTWO Sports Management Limited | Arts & recreation | 2021 |
| 16OR Ltd | Construction | 2024 |
| 16OZ Limited | Information & communication | 2003 |
| 16PROTONS Ltd | Information & communication | 2013 |
| 16QP Limited | Extraterritorial | 2018 |
| 16SIXTY Property Investment Limited | Real estate | 2024 |
| 16T Limited | Households | 2002 |
| 16TEN Limited | Wholesale & retail | 2022 |
| 16TH Street Capital Limited | Financial services | 2024 |
| 16TO21 Gateway Services Ltd | Health & social care | 2017 |
| 16TWELVE Limited | Information & communication | 2020 |
| 16VC Limited | Financial services | 2025 |
| 16X9 Media Limited | Professional & scientific | 2019 |
| 17 & 17A Althea Street Limited | Households | 2025 |
| 17 & 17A Archel Road Limited | Households | 2019 |
| 17 & 19 Paxton Road (Freehold) Limited | Households | 2023 |
| 17 - 19 Beethoven Street Limited | Households | 2015 |
| 17 Abbeville Road Limited | Households | 2002 |
| 17 Acre Road (Freehold) Management Ltd | Extraterritorial | 2013 |
| 17 and 17A Glasford Street Freehold Ltd | Administrative & support | 2017 |
| 17 and 18 Milton House Mansions Limited | Administrative & support | 2000 |
| 17 and the Neighbours Ltd | Hospitality | 2024 |
| 17 Arlington Gardens (Management) Limited | Real estate | 1997 |
| 17 Artists Ltd | Arts & recreation | 2021 |
| 17 Arundel Gardens Limited | Households | 1984 |
| 17 ARV Freehold Limited | Households | 2008 |
| 17 Ashburnham Road (Freehold) Limited | Households | 2004 |
| 17 Askew Road Management Limited | Households | 2003 |
| 17 at Radipole Road Freehold Company Ltd | Households | 2009 |
| 17 Balham Grove Limited | Real estate | 2026 |
| 17 Belgrave Place Limited | Real estate | 2025 |
| 17 Belgrave Square Limited | Real estate | 2023 |
| 17 Belsize Park Gardens Limited | Households | 2014 |
| 17 Birkbeck Road Residents Company Limited | Households | 2018 |
| 17 Blockchain Innovation Ltd | Information & communication | 2025 |
| 17 Bohemia Road RTM Company Limited | Households | 2022 |
| 17 Bolingbroke Road Management Limited | Households | 2010 |
| 17 Bowes Road Management Company Limited | Real estate | 2018 |
| 17 Branksome Road (Freehold) Limited | Households | 2015 |
| 17 Britannia Road RTM Company Limited | Households | 2018 |
| 17 Broxash Road Limited | Real estate | 2017 |
| 17 Burrows Road Limited | Professional & scientific | 2003 |
| 17 Capital LLP | | 2007 |
| 17 Capital Management Limited | Professional & scientific | 2026 |
| 17 Car Wash Ltd | Administrative & support | 2021 |
| 17 Cardozo Road Limited | Households | 2024 |
| 17 Carnarvon Road Limited | Households | 2011 |
| 17 Caversham Road (Freehold) Limited | Households | 2021 |
| 17 Chartfield Avenue Residents Limited | Administrative & support | 1997 |
| 17 Cherry Tree Lane Limited | Arts & recreation | 1989 |
| 17 Chesham Street Limited | Households | 2000 |
| 17 Chester Road Freehold Company Limited | Households | 2012 |
| 17 Chesterford Gardens Limited | Households | 2000 |
| 17 Chippenham Road Limited | Real estate | 1996 |
| 17 Churchfield Road RTM Company Limited | Households | 2008 |
| 17 Clarendon Gardens Limited | Real estate | 1983 |
| 17 Cleaners Limited | Administrative & support | 2025 |
| 17 Cliveden Place Limited | Households | 2007 |
| 17 Coleherne Road Residents Company Limited | Real estate | 1987 |
| 17 Combedale Management Limited | Households | 2015 |
| 17 Comeragh Road Freehold Limited | Households | 2013 |
| 17 Coniston Road Management Company Limited | Households | 2003 |
| 17 Connaught Road Limited | Households | 2023 |
| 17 Construction London Limited | Construction | 2023 |
| 17 Consultancy Ltd | Professional & scientific | 2023 |
| 17 Coombe Road Management Limited | Real estate | 1997 |
| 17 Cornwall Gardens Freehold Limited | Households | 2015 |
| 17 Corsham Shoreditch Limited | Hospitality | 2024 |
| 17 Cranwich Road Ltd | Households | 2020 |
| 17 Crealock Street SW18 Management Company Limited | Real estate | 2001 |
| 17 Cromwell Road Freehold Limited | Households | 2012 |
| 17 Crouch Hall Road Limited | Households | 2004 |
| 17 CTR Limited | Real estate | 2019 |
| 17 Cumberland Avenue Management Company Limited | Households | 1988 |
| 17 Dagmar Road RTE Company Limited | Households | 2012 |
| 17 Danby (Peckham) Limited | Households | 2023 |
| 17 Dancer Road Residents Limited | Households | 1993 |
| 17 Dartmouth Road Limited | Real estate | 2016 |
| 17 Days Ltd | Administrative & support | 2017 |
| 17 Degrees South Ltd | Administrative & support | 2023 |
| 17 Devonshire Terrace RTM Company Limited | Households | 2020 |
| 17 Digby Crescent Ltd | Households | 2019 |
| 17 Drayson Mews Limited | Real estate | 2025 |
| 17 Dunraven Street Freehold Limited | Households | 2005 |