- DEREK HARNDEN LTD- 13403636 - Incorporated on 17 May 2021 
- DEREK LITHGOW LTDDisolved- 13772488 - Dissolved on 30 May 2023 
- DEREK SALKELD LTD- 14697801 - Incorporated on 1 March 2023 
- DEREK CAPITAL LTD- SC760741 - Incorporated on 2 March 2023 
- DEREK HOLDING INC.registered- OE028803 - Incorporated on 23 March 2023 
- MR & MRS LARK LTDDissolved- 08146557 - Dissolved on 26 November 2019 
- POLARITY ELECTRICAL LIMITED- 06683415 - Incorporated on 28 August 2008 
- DEREK & SON LIMITED- 11634653 - Incorporated on 22 October 2018 
- DEREK HASKINS LTDActive - Proposal to Strike off- 07185596 - Incorporated on 11 March 2010 
- DEREK SIMPSON LTD- 04447165 - Incorporated on 24 May 2002 
- DEREK ROY LIMITEDDisolved- 10499306 - Dissolved on 7 January 2025 
- DEREK TRADING LTDActive - Proposal to Strike off- 10931150 - Incorporated on 24 August 2017 
- DEREK LEE LIMITED- 11043344 - Incorporated on 2 November 2017 
- DEREK MARK BRAY LTDDisolved- 15354952 - Dissolved on 1 April 2025 
- DEREK BIRD LIMITEDDissolved- 07352134 - Dissolved on 4 December 2018 
- DEREK HARE LIMITEDDissolved- 04286447 - Dissolved on 22 June 2021 
- DEREK WOOD LIMITEDDisolved- 06022318 - Dissolved on 2 May 2022 
- DEREK HODD LIMITED- 04736767 - Incorporated on 16 April 2003 
- DEREK ADAM LIMITEDDissolved- SC361269 - Dissolved on 20 May 2011 
- DEREK MADDEN CIE LTDActive - Proposal to Strike off- 08399439 - Incorporated on 12 February 2013