- WHITTAKER COMPOSITES LIMITEDDissolved- 05712988 - Dissolved on 1 June 2010 
- WHITTAKER ASSOCIATES LIMITED- 07900077 - Incorporated on 6 January 2012 
- WATSON WHITTAKER LLP- OC307829 - Incorporated on 1 May 2004 
- HAL WHITTAKER LIMITED- 00768049 - Incorporated on 18 July 1963 
- STEVEN WHITTAKER LIMITED- SC334147 - Incorporated on 20 November 2007 
- WHITTAKER HOUSES LIMITEDDissolved- 05979769 - Dissolved on 17 September 2013 
- WHITTAKER INTERNATIONAL LIMITED- 03807038 - Incorporated on 14 July 1999 
- WHITTAKER CONSULTING LIMITED- 11778300 - Incorporated on 21 January 2019 
- S WHITTAKER LIMITEDActive - Proposal to Strike off- 09562132 - Incorporated on 27 April 2015 
- NIC WHITTAKER LIMITED- 09587764 - Incorporated on 13 May 2015 
- WHITTAKER BERNARD LTDActive - Proposal to Strike off- 10833331 - Incorporated on 23 June 2017 
- WHITTAKER TRANSPORT LIMITEDDisolved- 10983529 - Dissolved on 18 January 2022 
- WHITTAKER PMS LIMITED- 11314274 - Incorporated on 17 April 2018 
- WHITTAKER & COOPER LIMITEDDisolved- 12300564 - Dissolved on 13 December 2022 
- WHITTAKER FINANCE LIMITEDDissolved- 12354794 - Dissolved on 6 July 2021 
- WHITTAKER CONSTRUCTION LTDDisolved- 14804051 - Dissolved on 3 June 2025 
- WHITTAKER DESIGNS LIMITED- 15938960 - Incorporated on 5 September 2024 
- RGJB WHITTAKER LIMITED- 16002422 - Incorporated on 7 October 2024 
- WHITTAKER PREST SERVICES LIMITED- 10086130 - Incorporated on 25 March 2016 
- WHITTAKERS ARMS 7466 LTDActive - Proposal to Strike off- 08763682 - Incorporated on 6 November 2013