- J DONALDSON LTD- 16181540 - Incorporated on 13 January 2025 
- KR DONALDSON LTDDisolved- 13748242 - Dissolved on 19 March 2024 
- DONALDSON FILTRATION (GB) LIMITED- 03914641 - Incorporated on 24 January 2000 
- DONALDSON & MCCONNELL HOLDINGS LIMITEDActive - Proposal to Strike off- 02689909 - Incorporated on 21 February 1992 
- G & S DONALDSON LTD- SC422239 - Incorporated on 19 April 2012 
- M F DONALDSON LTDActive - Proposal to Strike off- 08905245 - Incorporated on 20 February 2014 
- A D DONALDSON LTD- 10662000 - Incorporated on 9 March 2017 
- DONALDSONS LLP- OC311075 - Incorporated on 19 January 2005 
- KA DONALDSON LTDDisolved- 13925223 - Dissolved on 13 February 2024 
- PQ DONALDSON LTDActive - Proposal to Strike off- 14052317 - Incorporated on 19 April 2022 
- DONALDSONENT LTDDisolved- 14214761 - Dissolved on 5 December 2023 
- DONALDSON &CO LTDDisolved- 12640599 - Dissolved on 20 May 2025 
- WM DONALDSON LTDDisolved- 13940309 - Dissolved on 13 February 2024 
- MP DONALDSON LTDDisolved- 13743138 - Dissolved on 22 April 2025 
- JU DONALDSON LTDDisolved- 14157517 - Dissolved on 14 November 2023 
- JR DONALDSON LTD- 10673024 - Incorporated on 15 March 2017 
- ON DONALDSON LTDDisolved- 13723313 - Dissolved on 15 April 2025 
- TM DONALDSON LTDDisolved- 13284999 - Dissolved on 18 June 2024 
- LW DONALDSON LTDActive - Proposal to Strike off- 13957322 - Incorporated on 5 March 2022 
- CP DONALDSON LTDDisolved- NI681651 - Dissolved on 18 July 2023