- RICHARD WHITTAKER LIMITED- 00731811 - Incorporated on 7 August 1962 
- WHITTAKER HOLDINGS LIMITED- 02942155 - Incorporated on 23 June 1994 
- WHITTAKER TEXTILES LIMITED- 06547675 - Incorporated on 28 March 2008 
- TOM WHITTAKER LIMITED- 07088282 - Incorporated on 26 November 2009 
- METCALF WHITTAKER LTDDissolved- 05012565 - Dissolved on 22 March 2011 
- ANTHONY WHITTAKER LTDDisolved- 06358797 - Dissolved on 11 October 2023 
- WHITTAKER FLOORING LIMITEDLiquidation- 04976265 - Incorporated on 25 November 2003 
- WHITTAKER STRATEGIES LIMITEDActive - Proposal to Strike off- 07542938 - Incorporated on 25 February 2011 
- DAVE WHITTAKER LIMITEDLiquidation- 04397303 - Incorporated on 18 March 2002 
- K. WHITTAKER LIMITED- 04933567 - Incorporated on 15 October 2003 
- TIM WHITTAKER LIMITEDActive - Proposal to Strike off- 09621167 - Incorporated on 3 June 2015 
- WHITTAKER (CHESTERFIELD) LLP- OC325305 - Incorporated on 12 January 2007 
- WHITTAKER & LACEY LIMITEDDissolved- 05412788 - Dissolved on 20 March 2013 
- WHITTAKER & WOODS LIMITEDActive - Proposal to Strike off- 01663129 - Incorporated on 9 September 1982 
- WHITTAKER ELLIS LIMITEDDisolved- 00962635 - Dissolved on 10 December 2024 
- WHITTAKER PLANE LTD- 09207907 - Incorporated on 8 September 2014 
- KOBAYASHI-WHITTAKER LTD- 10888546 - Incorporated on 28 July 2017 
- WHITTAKER SCAFFOLD LTD- 10985903 - Incorporated on 28 September 2017 
- HOLLY WHITTAKER LIMITED- 12152878 - Incorporated on 13 August 2019 
- WHITTAKER ENGINEERING LIMITEDActive - Proposal to Strike off- 11057702 - Incorporated on 10 November 2017