| 16A Ltd | Potters Bar | 2023 |
| 16BY9 Ltd | London | 2023 |
| 17 Alexandra Road Limited | Liverpool | 2002 |
| 17 and 17A Glasford Street Freehold Ltd | London | 2017 |
| 17 and 18 Milton House Mansions Limited | London | 2000 |
| 17 Capital Founder Partner (GP) Limited | Edinburgh | 2008 |
| 17 Capital Services Limited | Edinburgh | 2008 |
| 17 Car Wash Ltd | London | 2021 |
| 17 Chartfield Avenue Residents Limited | London | 1997 |
| 17 Clarendon Road Management Company Limited | Knutsford | 1985 |
| 17 Cleaners Limited | London | 2025 |
| 17 Crescent East Limited | Barnet | 2006 |
| 17 Daley Street Limited | Poole | 2017 |
| 17 Days Ltd | London | 2017 |
| 17 Degrees South Ltd | London | 2023 |
| 17 Eastoke Management Company Limited | Hayling Island | 2015 |
| 17 Half Acre Road Limited | London | 2011 |
| 17 KPG Ltd | London | 2020 |
| 17 Ladbroke Crescent W11 Limited | West Wickham | 2013 |
| 17 Lewes Crescent Ltd | Hove | 2024 |
| 17 Logistics Limited | Saffron Walden | 2013 |
| 17 ND Limited | Great Dunmow | 2009 |
| 17 North HR Solutions Ltd | Waltham Abbey | 2024 |
| 17 OPS GRU Ltd | Radstock | 2024 |
| 17 Portland Place East Management Company Limited | Warwickshire. | 1988 |
| 17 Somerset Street Management Company Limited | Bristol | 2010 |
| 17 the Beach Management Company Limited | Walmer | 1995 |
| 17 Verde Limited | Northampton | 2016 |
| 170 Malpas Road Brockley Limited | London | 2017 |
| 1701 Brand Limited | Ripley | 2020 |
| 1702 Limited | Harrow On The Hill | 2020 |
| 1706 Ltd | Worcester | 2025 |
| 171 Hornsey FDA Ltd | London | 2026 |
| 1710 Capital Partners Limited | Bovingdon | 2009 |
| 1711 Films Limited | South Woodham Ferrers | 2022 |
| 1711 Ventures Ltd | Leicester | 2025 |
| 1714 Consulting Ltd | Cambridge | 2004 |
| 171LR Management Company Ltd | London | 2023 |
| 172 HPA Limited | Shrewsbury | 2017 |
| 1720R Ltd | Peterborough | 2025 |
| 1723XYZ Limited | Greater Manchester | 2024 |
| 173 Goldhurst Terrace Freehold Limited | Southampton | 2014 |
| 173 Limited | Horton | 2017 |
| 174 Law Solicitors Limited | Liverpool | 2011 |
| 174 Recruitment Limited | London | 2024 |
| 175 Dartmouth RD RTM Company Limited | London | 2007 |
| 177 Group Limited | Oldham | 2026 |
| 1781 Media Limited | London | 2016 |
| 1798 Properties Ltd | Houghton Le Spring | 2025 |
| 17AM Events Ltd | Birmingham | 2024 |
| 17CARE UK Ltd | High Wycombe | 2019 |
| 17PT Management Limited | London | 2011 |
| 17R Limited | Birmingham | 2016 |
| 18 -35 Ltd | Blaby | 2006 |
| 18 Abercorn Place Limited | London | 2014 |
| 18 Avenue Road Management Company Limited | Wolverhampton | 2006 |
| 18 Baldry Gardens Limited | London | 2016 |
| 18 Bathwick Street, (Bath) Limited | North East Somerset | 1981 |
| 18 Meads Street Ltd | Newhaven | 2009 |
| 18 NHG RTM Company Limited | Holt | 2011 |
| 18 Palmerston Road Limited | | 2000 |
| 18 Recruitment Limited | Hornchurch | 2018 |
| 18 Rockley Road Ltd | Kingston Upon Thames | 2020 |
| 18 the Grove Limited | Isleworth | 2013 |
| 18-20 Market Street Tredegar Management Company Ltd | Cwmbran | 2009 |
| 18-20 Sloane Gardens Limited | Fareham | 2003 |
| 18-36 the Glade Limited | London | 2005 |
| 18/20 Management Limited | Birkenhead | 2004 |
| 180 Cleaning Services Ltd | Nottingham | 2025 |
| 180 Digital Ltd | Ashton-Under-Lyne | 2008 |
| 180 Kentish Town Developments Limited | St. Asaph | 2015 |
| 180 Regent Squares Ltd | Glasgow | 2020 |
| 180 Security Ltd | London | 2025 |
| 180 Services Limited | London | 2026 |
| 180216 Ltd | Arundel | 2016 |
| 1805 Ltd. | Haslemere | 2016 |
| 1810 Antiques Limited | London | 2015 |
| 1810 Secured Limited | London | 2023 |
| 1813 Balmoral Limited | Warrington | 2014 |
| 1841 Limited | Peterborough | 2016 |
| 1845 Connect Limited | North Leigh Business Park | 2020 |
| 1851 Collection Ltd | London | 2025 |
| 1855 Management Nominee Ltd | London | 2026 |
| 1855 Station Building Limited | Halifax | 1998 |
| 1856 Holdings Ltd | Cambridge | 2012 |
| 1858 Limited | London | 2004 |
| 186 Performance Ltd | Sleaford | 2023 |
| 1867 Townhouses Limited | Turriff | 2017 |
| 186B Lower Addiscombe Road Limited | Croydon | 2013 |
| 186HR Limited | Ormskirk | 2020 |
| 187 Chambers Limited | London | 2024 |
| 187 Hercules Road LON Limited | London | 2018 |
| 1878 Enterprises Limited | St. Asaph | 2015 |
| 1881 Investments Limited | London | 2017 |
| 1885 Cctv Ltd | Greenwich | 2025 |
| 1888 Trading Ltd | Ongar | 2019 |
| 189 Whitehall Road Ltd | London | 2022 |
| 1893 RTM Company Ltd | North Walsham | 2011 |
| 18IRELAND Ltd | Belfast | 2024 |
| 18SIXTY Consulting Ltd | Manchester | 2023 |