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- MRS MAC LTDDissolved- 05520432 - Dissolved on 16 November 2010 
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- SUMNER CONSULTANCY LTD- 09695562 - Incorporated on 21 July 2015 
- CALDERON & SUMNER LIMITED- 08317323 - Incorporated on 4 December 2012 
- EZRA SUMNER LIMITEDActive - Proposal to Strike off- 10818179 - Incorporated on 14 June 2017 
- SUMNER INVESTMENTS LTD- 12604285 - Incorporated on 15 May 2020 
- SUMNER CORPORATION LIMITEDDissolved- 01728626 - Dissolved on 18 May 2010 
- SUMNER CONSULTING LIMITED- 13369164 - Incorporated on 30 April 2021 
- MRS KAY'S LTD.- SC161899 - Incorporated on 28 November 1995 
- DON MRS LTDDisolved- 12598926 - Dissolved on 19 October 2021 
- MRS MOP LTDDisolved- 13166970 - Dissolved on 5 July 2022 
- MRSMS 1 LTDDisolved- SC763512 - Dissolved on 20 May 2025 
- DLP DERIVATIVES LLPActive - Proposal to Strike off- OC354152 - Incorporated on 15 April 2010 
- M&S PRIME ESTATES LTD- 09440198 - Incorporated on 16 February 2015 
- DAVIES & HOWARD LIMITEDDisolved- 04498089 - Dissolved on 7 February 2023 
- AMY CHARLOTTE BESPOKE LTD- 15555883 - Incorporated on 12 March 2024 
- FOX SUMNER LIMITED- 07777272 - Incorporated on 16 September 2011 
- SUMNER SMC LIMITED- 12101235 - Incorporated on 12 July 2019 
- MRS DEE LTDDisolved- 14681704 - Dissolved on 21 January 2025