- PLATT PACKAGING LIMITED- 03344516 - Incorporated on 3 April 1997 
- AEI PLATT LIMITED- 08097688 - Incorporated on 8 June 2012 
- GRAINGER & PLATT LIMITEDActive - Proposal to Strike off- 04599898 - Incorporated on 25 November 2002 
- STEVE PLATT LIMITEDDisolved- 05385645 - Dissolved on 2 February 2023 
- ROBIN PLATT LIMITED- 07374781 - Incorporated on 14 September 2010 
- PLATT & LINDSAY LLPDissolved- OC308298 - Dissolved on 26 September 2006 
- PLATT LONGCLOSE LIMITEDActive - Proposal to Strike off- 00260999 - Incorporated on 10 December 1931 
- PLATT RACING LIMITEDDissolved- 04467009 - Dissolved on 26 February 2019 
- PLATT ORTHOPAEDICS LTD- 13481892 - Incorporated on 28 June 2021 
- SHELLEY PLATT LTDActive - Proposal to Strike off- 11819853 - Incorporated on 11 February 2019 
- WESTOVER PLATT LIMITED- 09932568 - Incorporated on 30 December 2015 
- PLATT TRADING LIMITED- 13626617 - Incorporated on 16 September 2021 
- HARRINGTON PLATT LIMITEDActive - Proposal to Strike off- 15664108 - Incorporated on 20 April 2024 
- P448 LIMITEDDissolved- 04264763 - Dissolved on 8 January 2013 
- DAVID PLATT KC LIMITED- 08273595 - Incorporated on 30 October 2012 
- CATMULL RICHARDSONActive - Proposal to Strike off- 07635638 - Incorporated on 16 May 2011 
- L PLATT ROOFING LTD- 06313728 - Incorporated on 16 July 2007 
- PLATTER AND POP LTD- SC625322 - Incorporated on 22 March 2019 
- SHARON PLATTS H.R. LTDActive - Proposal to Strike off- 11143689 - Incorporated on 10 January 2018 
- PLATTA BISTRO LTD- 14983518 - Incorporated on 5 July 2023