- ARNA LTD- 14314229 - Incorporated on 23 August 2022 
- MRS R'S LTDDisolved- 06409237 - Dissolved on 5 December 2023 
- MRS2B LTD- 12337596 - Incorporated on 27 November 2019 
- MRS M LTDDisolved- 13646186 - Dissolved on 14 November 2023 
- MRS M LTD- SC796822 - Incorporated on 28 January 2024 
- MRS B'S LTD- 09134218 - Incorporated on 16 July 2014 
- MRS & MRS JONES LIMITEDActive - Proposal to Strike off- 09746161 - Incorporated on 24 August 2015 
- MRS& MRS MYERS HOMES LTDDisolved- 14168060 - Dissolved on 21 November 2023 
- WHITTAKER GIBSONActive - Proposal to Strike off- 07787702 - Incorporated on 26 September 2011 
- WHITTAKER II- 10288918 - Incorporated on 20 July 2016 
- MRST LTDDissolved- 07907916 - Dissolved on 9 July 2013 
- MR&MRS B'S LTDDissolved- 10677155 - Dissolved on 20 August 2019 
- MR&MRS LTDActive - Proposal to Strike off- 12389034 - Incorporated on 7 January 2020 
- WHITTAKER AEROSPACE- 02812314 - Incorporated on 23 April 1993 
- WHITTAKER IIIDisolved- 10297325 - Dissolved on 20 September 2022 
- WHITTAKER DEFOITEActive - Proposal to Strike off- 07900738 - Incorporated on 6 January 2012 
- MRS NEAT & MRS TIDY LIMITED- 13619685 - Incorporated on 14 September 2021 
- MRS (UK) LTDActive - Proposal to Strike off- 07902082 - Incorporated on 9 January 2012 
- MRS HF LTDDisolved- 12281429 - Dissolved on 27 July 2021 
- MRSE4 LTDDisolved- 14617353 - Dissolved on 2 July 2024