| 1805 Decor Ltd | Edinburgh | 2023 |
| 1805 Property Consultants Limited | Ossett | 2022 |
| 1808 Property Services Ltd | Leicester | 2015 |
| 1809 Limited | London | 2025 |
| 180A Coombe Lane West Limited | London | 2024 |
| 181 Limited | Norwich | 2006 |
| 181 Markets Limited | Hounslow | 2019 |
| 181 West Heath Road Ltd | Maldon | 2016 |
| 181 Westbourne Grove Limited | London | 2012 |
| 181GT Holdings Ltd | London | 2017 |
| 182-192 Shooters Hill Road Limited | Islington | 2025 |
| 1827 Electrical Services Limited | Bolton | 2018 |
| 183 Kedleston Ltd | Derby | 2022 |
| 185 Westbourne Grove Limited | London | 2024 |
| 1853 Studios & Gallery Limited | Stockport | 2022 |
| 1853 Studios Limited | Stockport | 2019 |
| 186 Investments Ltd | Darlington | 2011 |
| 186 Property Solutions (Southern) Ltd | Darlington | 1994 |
| 1865 Developments Limited | Leeds | 2026 |
| 186LIGHT Ltd | London | 2025 |
| 187 Build & Renovate Limited | London | 2024 |
| 187 Degree Angle Ltd | Crawley | 2018 |
| 187 Security Limited | Chichester | 2014 |
| 1870 Ltd. | Edinburgh | 2024 |
| 1877 Bywater Ltd | Leamington Spa | 2024 |
| 1878 Construction Ltd | Merseyside, Liverpool | 2022 |
| 1880 Ltd | Ormskirk | 2020 |
| 1882 Homes Limited | Lincoln | 2022 |
| 1885 Maintenance Ltd | Worthing | 2025 |
| 189 Caledonian Road Limited | London | 2005 |
| 189 Shooters Limited | Staines-Upon-Thames | 2024 |
| 189 Whitehall Road Developments Limited | London | 2025 |
| 1890 Eighteen Ninety Ltd | Christchurch | 2021 |
| 18A Oxford Street Ltd | Wolverhampton | 2026 |
| 18ONE Cleaning Services Ltd | Barnsley | 2019 |
| 18TD Ltd | London | 2022 |
| 18V Management Limited | Liverpool | 2014 |
| 19 BTR Limited | Bexhill | 2018 |
| 19 East Lane Limited | Ewell | 2026 |
| 19 Fife Road Limited | London | 2018 |
| 19 Investments Ltd | Canterbury | 2017 |
| 19 Lifting Ltd | Uttoxeter | 2025 |
| 19 Palace Gate Limited | Shrewsbury | 1996 |
| 19 Park Square East Ltd | London | 2019 |
| 19 Property Development Limited | Thatcham | 2019 |
| 19 Ribbons Ltd | Droitwich | 2019 |
| 19 Warwick Street Freehold Limited | Coventry | 2024 |
| 19-21 Bell Street Limited | London | 2022 |
| 19/21 CLR Limited | London | 2026 |
| 1906 Limited | Nottingham | 2023 |
| 1908 Projects Limited | Lutterworth | 2026 |
| 1909 Holdings Ltd | Glossop | 2016 |
| 1909 Management Limited | Reigate | 2014 |
| 190STARS Ltd | Crawley | 2023 |
| 191 Consultants Ltd | Staines-Upon-Thames | 2025 |
| 191 Westbourne Grove Limited | London | 2007 |
| 1910 Developments Limited | Dronfield | 2003 |
| 1919 Electrical Limited | Selby | 2025 |
| 1919 Projects Ltd | Wembley | 2025 |
| 192 Investments Limited | London | 2002 |
| 192 Living Limited | London | 2026 |
| 193 Oldfield Lane Limited | Barnet | 2022 |
| 193-199 High Street Sutton Limited | Rickmansworth | 2020 |
| 195 Cheltenham Road B Ltd | Trowbridge | 2025 |
| 195 Cheltenham Road TF Ltd | Trowbridge | 2025 |
| 195 Network Limited | Reading | 2024 |
| 196 Westbourne Grove Limited | London | 2019 |
| 196 Willesden Lane Limited | London | 2015 |
| 1963 Lighting Limited | Galston | 2021 |
| 1964 Design Limited | London | 2008 |
| 1965 Property Limited | Ventnor | 2023 |
| 1966 Consultancy Limited | London | 2024 |
| 197 Sandy Lane Limited | Epsom | 2025 |
| 1975 Ltd | London | 2026 |
| 1975 Maintenance Ltd | Bristol | 2021 |
| 19755 Limited | Glasgow | 2025 |
| 198 Victoria Road Ltd | London | 2019 |
| 1980 Projects Ltd | Banff | 2023 |
| 1981 Wood DO Ltd | Hounslow | 2016 |
| 1983 Construction Ltd | Oxford | 2024 |
| 1989 Homes Ltd | Nottingham | 2026 |
| 199 Lavender Hill Ltd | Hitchin | 2024 |
| 1992 Joinery Limited | Consett | 2022 |
| 19C Limited | Brighton | 2013 |
| 19MIL Ltd. | London | 2019 |
| 19NINETYFOUR Ltd | Brentwood | 2022 |
| 19SEVENTY Small Works Ltd | Southampton | 2024 |
| 19SEVENTY3 Limited | Byfleet | 2020 |
| 19SIXTY7 London Ltd | Weybridge | 2016 |
| 1A Autoheat Limited | Southampton | 1974 |
| 1A Ideal Locksmiths Limited | Sutton | 2007 |
| 1A Watson Groups Ltd | Dunstable | 2025 |
| 1AC Projects Ltd | Haslemere | 2019 |
| 1AM Group Ltd | Colchester | 2026 |
| 1AM Solutions Ltd | Dagenham | 2025 |
| 1ATT1 Limited | Southall | 2020 |
| 1B Property Services Limited | Stafford | 2017 |
| 1BB Ltd | Newcastle Upon Tyne | 2018 |
| 1BP (Scotland) Limited | Glasgow | 2015 |
| 1BUILD Solutions Limited | Brighton | 2015 |