- CALVERT & CALVERT LTDActive - Proposal to Strike off- 08401697 - Incorporated on 13 February 2013 
- P HARTLAND LIMITEDActive - Proposal to Strike off- 01369410 - Incorporated on 18 May 1978 
- ELM PARK ROAD MANAGEMENT COMPANY LIMITED- 01569531 - Incorporated on 23 June 1981 
- MRS & MRS LIMITEDActive - Proposal to Strike off- 09898454 - Incorporated on 2 December 2015 
- IMS PUBLICATIONS LTD- 02078578 - Incorporated on 28 November 1986 
- MRS + MRS LIMITED- 11503800 - Incorporated on 7 August 2018 
- S CALVERT LTDDissolved- 07447756 - Dissolved on 23 April 2013 
- K CALVERT LTD- 07773775 - Incorporated on 14 September 2011 
- CALVERT 7 LTD- 10554404 - Incorporated on 10 January 2017 
- CALVERT STUDIOS UK & SPAIN LIMITED- 01253360 - Incorporated on 5 April 1976 
- 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 
- CALVERT LIMITED- 05486757 - Incorporated on 21 June 2005 
- JT CALVERT LTDActive - Proposal to Strike off- 13999549 - Incorporated on 24 March 2022 
- MRS & MRS FIX IT CYMRU LTDDisolved- 15026510 - Dissolved on 31 December 2024 
- 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