- MUIR ACCESS LTDDisolved- SC750376 - Dissolved on 22 April 2025 
- MUIRSTONE LTDDissolved- 06716858 - Dissolved on 18 May 2010 
- MUIRA LIMITEDActive - Proposal to Strike off- 07821186 - Incorporated on 24 October 2011 
- MUIRWORTH LLPDissolved- OC372062 - Dissolved on 9 September 2014 
- MURRAY & MUIR LLP- SO304845 - Incorporated on 25 March 2014 
- MUIR EVENTS LTDDissolved- 10827532 - Dissolved on 4 June 2019 
- S & J MUIR BUILDERS LTD- 06046651 - Incorporated on 9 January 2007 
- OCHILVIEW DEVELOPMENTS LMC LTD- SC591838 - Incorporated on 19 March 2018 
- RAMAGE RECYCLING LIMITEDDissolved- 05989250 - Dissolved on 21 January 2010 
- GIFTS R US LTD.Dissolved- SC296423 - Dissolved on 19 March 2010 
- PURBECK HEIGHTS (MANAGEMENT) LIMITED- 02695561 - Incorporated on 10 March 1992 
- S MUIR (UK) LIMITEDActive - Proposal to Strike off- 04431542 - Incorporated on 3 May 2002 
- MORGAN MUIR LTD.Active - Proposal to Strike off- SC219332 - Incorporated on 18 May 2001 
- ROBERT MUIR LTD- SC462839 - Incorporated on 1 November 2013 
- KIRSTY MUIR LTDActive - Proposal to Strike off- SC550097 - Incorporated on 11 November 2016 
- ST. MUIR LIMITED- 13112030 - Incorporated on 5 January 2021 
- B.MUIR CAR CARE LTD- SC784092 - Incorporated on 27 September 2023 
- MILLER MUIR LTD- 16184307 - Incorporated on 14 January 2025 
- J.W.MUIR GROUP PUBLIC LIMITED COMPANY- SC058738 - Incorporated on 13 October 1975 
- MUIRLANE CONSULTING LTDDissolved- SC282775 - Dissolved on 10 July 2015