- DONALDSON GROUP LIMITED- SC647312 - Incorporated on 18 November 2019 
- DONALDSON PLUMBING LTDActive - Proposal to Strike off- 10337054 - Incorporated on 19 August 2016 
- DONALDSON ASSOCIATES LIMITEDActive - Proposal to Strike off- 10450288 - Incorporated on 28 October 2016 
- DONALDSON SERVICES LIMITEDDisolved- 11068161 - Dissolved on 15 April 2025 
- CALLUM & DONALDSON LTDDisolved- 12051593 - Dissolved on 26 October 2021 
- PARAMOR & DONALDSON LTDDisolved- 13827546 - Dissolved on 30 May 2023 
- DONALDSON FABRICATION LTD- SC817880 - Incorporated on 30 July 2024 
- ALLEN-DONALDSON LTD- SC823550 - Incorporated on 23 September 2024 
- MOSTIN DONALDSON LIMITED- 16338257 - Incorporated on 24 March 2025 
- G.DONALDSON LIMITEDActive - Proposal to Strike off- 10311462 - Incorporated on 4 August 2016 
- B.I.G. PATRICK LTD.Active - Proposal to Strike off- 08741412 - Incorporated on 21 October 2013 
- PATRICK B LTDActive - Proposal to Strike off- 09979735 - Incorporated on 1 February 2016 
- PATRICK.B.C.O LTDDisolved- 13849149 - Dissolved on 27 February 2024 
- GRAHAM DONALDSON LIMITEDDissolved- SC302691 - Dissolved on 24 May 2016 
- LINDA DONALDSON LIMITEDDissolved- SC360988 - Dissolved on 28 June 2013 
- DONALDSON & NEWMAN LIMITED- 01216884 - Incorporated on 20 June 1975 
- DONALDSON & LYTTLE LIMITEDLiquidation- NI001341 - Incorporated on 31 March 1939 
- KENNETH DONALDSON LIMITED- 05166744 - Incorporated on 30 June 2004 
- ALISTAIR DONALDSON LIMITEDLiquidation- 04371947 - Incorporated on 12 February 2002 
- DONALDSON INVESTMENTS LIMITED- 07446466 - Incorporated on 22 November 2010