- PATRICK2019 LTDDisolved- 14395043 - Dissolved on 5 March 2024 
- DONALDSON PERRING LIMITED- 13069238 - Incorporated on 8 December 2020 
- JEROME DONALDSON LIMITEDDisolved- SC798270 - Dissolved on 15 July 2025 
- DONALDSON REEVES LIMITED- 04641991 - Incorporated on 20 January 2003 
- DONALDSON ROSS LIMITED- 05039747 - Incorporated on 10 February 2004 
- SPENCER DONALDSON LIMITEDActive - Proposal to Strike off- 15651957 - Incorporated on 16 April 2024 
- MACKENZIE-DONALDSON LIMITEDActive - Proposal to Strike off- SC248310 - Incorporated on 24 April 2003 
- DONALDSON-MILLER LTD- 05472511 - Incorporated on 6 June 2005 
- ALAN DONALDSON LIMITEDActive - Proposal to Strike off- 08099320 - Incorporated on 11 June 2012 
- DONALDSON ENGINEERING LIMITEDDissolved- 06158928 - Dissolved on 26 April 2011 
- DONALDSON MEIGH LIMITEDDissolved- 03260176 - Dissolved on 22 November 2011 
- SINGH & DONALDSON LIMITED- 04171224 - Incorporated on 2 March 2001 
- MICHELLE DONALDSON LIMITEDActive - Proposal to Strike off- 08030880 - Incorporated on 14 April 2012 
- DONALDSON LOGISTICS LIMITED- 04538510 - Incorporated on 18 September 2002 
- LAWSON DONALDSON LIMITEDActive - Proposal to Strike off- SC001417 - Incorporated on 3 December 1884 
- THOMAS DONALDSON LIMITEDActive - Proposal to Strike off- 08893322 - Incorporated on 13 February 2014 
- JAMIE DONALDSON LIMITEDLiquidation- 08379563 - Incorporated on 29 January 2013 
- MERCEDES DONALDSON LIMITEDDissolved- 07043836 - Dissolved on 22 January 2013 
- BENNETT & DONALDSON LIMITED- 09222477 - Incorporated on 17 September 2014 
- CLAIR DONALDSON LTD- SC700493 - Incorporated on 2 June 2021