- STEPHENSON PROPERTY COMPANY LIMITED- 01070644 - Incorporated on 7 September 1972 
- ROGER STEPHENSON ARCHITECTS LIMITEDLiquidation- 07630960 - Incorporated on 11 May 2011 
- PROVENDER ESTATES LIMITEDActive - Proposal to Strike off- 09006581 - Incorporated on 23 April 2014 
- FOUNDERS PLACE LLP- OC432564 - Incorporated on 15 July 2020 
- STEPHENSON DAY LIMITED- 05020116 - Incorporated on 20 January 2004 
- STEPHENSON RESEARCH LIMITEDDissolved- 02958325 - Dissolved on 8 June 2010 
- H.G. STEPHENSON LIMITED- 00065741 - Incorporated on 23 April 1900 
- STEPHENSON HALLIDAY LIMITED- 04179680 - Incorporated on 14 March 2001 
- STEPHENSON BROS LTD- 04635750 - Incorporated on 14 January 2003 
- R.F. STEPHENSON LIMITEDLiquidation- 01642146 - Incorporated on 9 June 1982 
- STEPHENSON SURVEYING LIMITED- 06516318 - Incorporated on 27 February 2008 
- LOUIS STEPHENSON LIMITEDDissolved- 06910228 - Dissolved on 14 December 2010 
- STEPHENSON CONSULTING LTDDisolved- 06225113 - Dissolved on 22 July 2025 
- STEPHENSON BROWNE LIMITED- 07175386 - Incorporated on 3 March 2010 
- STEPHENSON AUTOMATION LTD.- 07658650 - Incorporated on 6 June 2011 
- STEPHENSON CONSULTANTS LTD- 07739975 - Incorporated on 15 August 2011 
- BRYAN STEPHENSON LIMITEDActive - Proposal to Strike off- 07957525 - Incorporated on 21 February 2012 
- STEPHENSON HARWOOD LLP- OC373597 - Incorporated on 21 March 2012 
- M.A. STEPHENSON LIMITED- 06378850 - Incorporated on 24 September 2007 
- MIKE STEPHENSON LIMITEDActive - Proposal to Strike off- 04295653 - Incorporated on 28 September 2001