- PTSM LIMITED- 10438433 - Incorporated on 20 October 2016 
- PTS PUBS LTDActive - Proposal to Strike off- 14165940 - Incorporated on 10 June 2022 
- PTSTAD LTDActive - Proposal to Strike off- 07570688 - Incorporated on 21 March 2011 
- PTSERV LTDActive - Proposal to Strike off- 08500463 - Incorporated on 23 April 2013 
- HG PS (UK) LLP- OC388649 - Incorporated on 22 October 2013 
- CAMDEN TOWN HOUSE GROUP LTDDisolved- 08734595 - Dissolved on 3 September 2024 
- BLANCHE PROPERTIES LTD- 08734564 - Incorporated on 16 October 2013 
- WESTHALL BULL LTDActive - Proposal to Strike off- 08734782 - Incorporated on 16 October 2013 
- FORENSIC ACCOUNTING SOLUTIONS LTD- 08734503 - Incorporated on 16 October 2013 
- PTS 019 LIMITED LLP- OC389156 - Incorporated on 13 November 2013 
- PTS U.K. GROUP LTD- 08152581 - Incorporated on 23 July 2012 
- PTSEPP CO., LTDActive - Proposal to Strike off- 08924062 - Incorporated on 5 March 2014 
- SHEBU PTS LTDDisolved- 13823627 - Dissolved on 13 February 2024 
- PTS LAW LIMITEDDissolved- 06040011 - Dissolved on 13 April 2010 
- PTS (TQM) LIMITED- 07911018 - Incorporated on 16 January 2012 
- PTS 013 LIMITED LLP- OC388656 - Incorporated on 22 October 2013 
- PTS 009 LIMITED LLP- OC388652 - Incorporated on 22 October 2013 
- PTS 017 LIMITED LLP- OC389152 - Incorporated on 13 November 2013 
- PTS 015 LIMITED LLP- OC389150 - Incorporated on 13 November 2013 
- PTS (NDT) LIMITED- 11947711 - Incorporated on 15 April 2019