- MRS + MRS LIMITED- 11503800 - Incorporated on 7 August 2018 
- SUMNERUK LTDDisolved- 13848081 - Dissolved on 27 June 2023 
- GUILD MARKETING LIMITED- 13591805 - Incorporated on 30 August 2021 
- G SUMNER PML LTD- 10897695 - Incorporated on 3 August 2017 
- KEVIN SUMNER LIMITED- 07249764 - Incorporated on 11 May 2010 
- SUMNER LIMITEDActive - Proposal to Strike off- 06707045 - Incorporated on 24 September 2008 
- GILLIAN'S B&B LTDActive - Proposal to Strike off- 08058835 - Incorporated on 4 May 2012 
- GILLIANS LTDDisolved- 12738819 - Dissolved on 21 December 2021 
- MRS7 LTD.- 09527781 - Incorporated on 7 April 2015 
- MRS100 LTDActive - Proposal to Strike off- 09990427 - Incorporated on 5 February 2016 
- MRS D'S LLPActive - Proposal to Strike off- OC411574 - Incorporated on 30 April 2016 
- MRS13 LTD- 16086012 - Incorporated on 18 November 2024 
- MRS & MRS FIX IT CYMRU LTDDisolved- 15026510 - Dissolved on 31 December 2024 
- M SUMNER & SONS LTDDisolved- 09432296 - Dissolved on 15 April 2025 
- SUMNER RAIL LTDActive - Proposal to Strike off- 10882279 - Incorporated on 25 July 2017 
- MRS F'S LTDActive - Proposal to Strike off- 08039470 - Incorporated on 20 April 2012 
- MRS L LTDDisolved- 09397797 - Dissolved on 26 November 2024 
- MRS200 LTDDisolved- 12031114 - Dissolved on 11 April 2023 
- MRS B'S B&B LTDDisolved- 11892787 - Dissolved on 7 June 2022 
- MRS V'S LTD- 15245593 - Incorporated on 30 October 2023