- J KEITH IT LTDDisolved- 11207942 - Dissolved on 10 May 2022 
- ND KEITH LTDActive - Proposal to Strike off- SC779202 - Incorporated on 16 August 2023 
- LILLEYMAN LIMITEDActive - Proposal to Strike off- 11124967 - Incorporated on 27 December 2017 
- MR MR LTDActive - Proposal to Strike off- 15533685 - Incorporated on 1 March 2024 
- KEITH EC LTD- 10090385 - Incorporated on 30 March 2016 
- KEITH MATTHEWS ELECTRICAL CONTRACTORS LIMITED- 04526099 - Incorporated on 4 September 2002 
- LILLEY MONCRIEFF LIMITEDDissolved- 03754097 - Dissolved on 15 May 2012 
- TIGER LILLEY LIMITEDDissolved- 04143636 - Dissolved on 17 May 2011 
- JACK LILLEY LIMITEDLiquidation- 00621407 - Incorporated on 19 February 1959 
- LILLEY MANAGEMENT LIMITEDDisolved- 06526655 - Dissolved on 31 January 2025 
- LILLEY TECHNOLOGY LIMITED- 06767803 - Incorporated on 8 December 2008 
- RICHARD LILLEY LIMITEDActive - Proposal to Strike off- 08582718 - Incorporated on 25 June 2013 
- GOODMAN & LILLEY LIMITED- 08370649 - Incorporated on 22 January 2013 
- LILLEY DEVELOPMENTS LTDActive - Proposal to Strike off- 08857228 - Incorporated on 23 January 2014 
- LILLEY TRANSPORT LTDActive - Proposal to Strike off- 10172565 - Incorporated on 10 May 2016 
- HESTER LILLEY LIMITEDActive - Proposal to Strike off- 10232061 - Incorporated on 15 June 2016 
- LILLEY WILDING LIMITEDDisolved- 12125801 - Dissolved on 2 May 2023 
- LILLEY BRANDS LIMITED- 13963387 - Incorporated on 8 March 2022 
- LILLEY DESIGNS LIMITEDDisolved- 14959813 - Dissolved on 3 October 2023 
- LILLEY CONSULTING LIMITED- 16025110 - Incorporated on 17 October 2024