- LLEWELLYN CONSULTING LLP- OC374412 - Incorporated on 17 April 2012 
- LLEWELLYN GROUNDWORKS LIMITEDLiquidation- 04708209 - Incorporated on 23 March 2003 
- LLEWELLYN ROAD LIMITED- 06288870 - Incorporated on 21 June 2007 
- AR LLEWELLYN LIMITED- 08302176 - Incorporated on 21 November 2012 
- LLEWELLYN CHARLES LTDActive - Proposal to Strike off- 09058527 - Incorporated on 27 May 2014 
- LLEWELLYN INVESTMENTS LIMITEDDissolved- 05112770 - Dissolved on 22 May 2012 
- LLEWELLYN-TECH LIMITEDDisolved- 10875411 - Dissolved on 4 January 2022 
- LLEWELLYN COACHING LTDDisolved- 11751886 - Dissolved on 26 November 2024 
- LLEWELLYN ROBERTS LTD- 13413477 - Incorporated on 21 May 2021 
- APOLLONIA LLEWELLYN LTD- 16265688 - Incorporated on 20 February 2025 
- LLEWELLYN LETTINGS LTD- 16494150 - Incorporated on 3 June 2025 
- H LLEWELLYN-JONES LTD- 12269732 - Incorporated on 18 October 2019 
- LLEWELLYN SCL LIMITEDActive - Proposal to Strike off- 03051547 - Incorporated on 25 April 1995 
- RICHARD LLEWELLYN LIMITEDDissolved- 04527922 - Dissolved on 18 June 2013 
- LLEWELLYN PROPERTIES LIMITED- 05590637 - Incorporated on 12 October 2005 
- LLEWELLYN (HEATING) LIMITEDLiquidation- 01181451 - Incorporated on 21 August 1974 
- LLEWELLYN EDUCATION LIMITED- 05404994 - Incorporated on 29 March 2005 
- LLEWELLYN SMITH LIMITED.Disolved- 04361151 - Dissolved on 12 August 2022 
- LLEWELLYN WINDOWS LTDActive - Proposal to Strike off- 08122893 - Incorporated on 28 June 2012 
- LLEWELLYN & GEORGE LIMITEDActive - Proposal to Strike off- 08619692 - Incorporated on 22 July 2013