- J DONALDSON LTD- 16181540 - Incorporated on 13 January 2025 
- S M DONALDSON & SON- 08302863 - Incorporated on 21 November 2012 
- WHITAKER PLANT HIRE LIMITEDActive - Proposal to Strike off- 04246339 - Incorporated on 4 July 2001 
- WHITTAKER PIERT HOLDINGS LTDActive - Proposal to Strike off- 11174873 - Incorporated on 29 January 2018 
- KYLE WHITTAKER LTDDisolved- 14489581 - Dissolved on 22 April 2025 
- GLEW & WHITTAKER 2000 LTDDissolved- 03639487 - Dissolved on 11 May 2010 
- DANLEW LIMITEDDisolved- 06528780 - Dissolved on 10 October 2023 
- SCOTT DONALD ARCHITECTURE LTD- 07750220 - Incorporated on 23 August 2011 
- CFS (CHATTAWAY FINANCIAL SERVICES) LIMITED- 08470205 - Incorporated on 2 April 2013 
- BEARDY LIMITEDDissolved- SC498451 - Dissolved on 3 April 2018 
- G WHITTAKER REALISATIONS LIMITED- 03477935 - Incorporated on 9 December 1997 
- JGD DISTRICT HEATING LTD- 09346405 - Incorporated on 8 December 2014 
- RUSHBROOK ASSET MANAGEMENT LIMITEDDissolved- SC109436 - Dissolved on 4 September 2009 
- KARL WHITTAKER LIMITED- 11545053 - Incorporated on 31 August 2018 
- WHITTAKER JOINERY LTD- 12037681 - Incorporated on 6 June 2019 
- CLIFFORD WHITTAKER LIMITED- 01887387 - Incorporated on 19 February 1985 
- WHITTAKER 926 LIMITEDDissolved- 07153618 - Dissolved on 20 September 2011 
- HERSOM WHITTAKER LIMITED- 07232647 - Incorporated on 22 April 2010 
- BROWN & WHITTAKER LIMITEDDissolved- 00424257 - Dissolved on 12 August 2016 
- WHITTAKER (HUYTON) LIMITEDLiquidation- 00859808 - Incorporated on 24 September 1965