- S D PLATT & CO. LIMITEDActive - Proposal to Strike off- 01599540 - Incorporated on 24 November 1981 
- PLATTERTUDE LTD- 08155255 - Incorporated on 24 July 2012 
- PLATTS (U.K.) LIMITED- 07953373 - Incorporated on 17 February 2012 
- PLATTFORMER LLP- OC354681 - Incorporated on 5 May 2010 
- THE PLATTERY LTDActive - Proposal to Strike off- 12217547 - Incorporated on 20 September 2019 
- GARETH AVERY LTDDisolved- 09210229 - Dissolved on 18 February 2025 
- GARETH RUBIN LTDDisolved- 13206844 - Dissolved on 19 April 2022 
- GARETH ALDEN LTDDisolved- 14020652 - Dissolved on 16 April 2024 
- GARETH ADAMS LTD- 14609219 - Incorporated on 22 January 2023 
- GARETH JAMIE LTDDisolved- 14716614 - Dissolved on 13 August 2024 
- GARETH R JONES LTD- 15431119 - Incorporated on 22 January 2024 
- GARETH SMITH LTD- 15598057 - Incorporated on 27 March 2024 
- GARETHHOLDINGS LTDActive - Proposal to Strike off- 15633890 - Incorporated on 10 April 2024 
- PLATT RUSHTON LLP- OC304106 - Incorporated on 10 March 2003 
- EDWARDS & PLATT LLPDissolved- OC344660 - Dissolved on 18 September 2012 
- GEORGE PLATT LIMITED- 00594184 - Incorporated on 25 November 1957 
- PLATT CONSTRUCTION LIMITED- 01995656 - Incorporated on 5 March 1986 
- PLATT LAND LIMITED- 05350147 - Incorporated on 2 February 2005 
- JORDAN & PLATT LIMITEDDissolved- 07236409 - Dissolved on 21 August 2012 
- ASH PLATT LIMITEDDissolved- 07322148 - Dissolved on 6 August 2013