- PSL PHOTOGRAPHIC LIMITEDActive - Proposal to Strike off- 05591438 - Incorporated on 13 October 2005 
- PSL INVESTMENTS LIMITEDDissolved- 04295390 - Dissolved on 6 November 2018 
- PSL SCAFFOLDING LIMITEDActive - Proposal to Strike off- 02561075 - Incorporated on 22 November 1990 
- PARKWAY PSL LIMITEDDisolved- 06691281 - Dissolved on 15 February 2022 
- PSL EASTLEIGH LIMITEDActive - Proposal to Strike off- 08106187 - Incorporated on 14 June 2012 
- PSL RECOVERIES LIMITEDDissolved- 03840530 - Dissolved on 1 November 2012 
- PSL MARGATE LIMITEDLiquidation- 00278882 - Incorporated on 18 August 1933 
- PSL (ABERDEEN) LIMITED- SC448477 - Incorporated on 25 April 2013 
- PSL CONSULTING LIMITED- 08655214 - Incorporated on 19 August 2013 
- PSL PROJECTS LIMITED- 10795326 - Incorporated on 31 May 2017 
- PSL VENTURES LIMITED- 10890529 - Incorporated on 31 July 2017 
- PSL BUILDERS LIMITEDActive - Proposal to Strike off- 11193691 - Incorporated on 7 February 2018 
- PSL MEDIDOC LIMITEDActive - Proposal to Strike off- 10349346 - Incorporated on 27 August 2016 
- PSL HOUSING LIMITEDDisolved- 10455136 - Dissolved on 16 December 2023 
- PSL DESIGNS LIMITED- 16482497 - Incorporated on 29 May 2025 
- PSL PARADISE LTDActive - Proposal to Strike off- 11315359 - Incorporated on 17 April 2018 
- PSL OUTDOORS LTDActive - Proposal to Strike off- 07925756 - Incorporated on 26 January 2012 
- PSLO CONSULT LTDActive - Proposal to Strike off- 08335235 - Incorporated on 18 December 2012 
- PSL MIDLANDS LTDActive - Proposal to Strike off- 09531769 - Incorporated on 8 April 2015 
- PSL EDUCATION LIMITED- 14805826 - Incorporated on 15 April 2023