- LANGDON 79Active - Proposal to Strike off- 07379100 - Incorporated on 16 September 2010 
- LANGDON COLLEGE- 04104466 - Incorporated on 8 November 2000 
- LANGDON CONSTRUCTION SERVICES LIMITED- 05955641 - Incorporated on 4 October 2006 
- A B LANGDON LTD- SC730527 - Incorporated on 26 April 2022 
- M R LANGDON LTD- 12130365 - Incorporated on 31 July 2019 
- O'CLAY CONSULTANCY LIMITEDActive - Proposal to Strike off- 09764087 - Incorporated on 5 September 2015 
- LANGDON LTDActive - Proposal to Strike off- 09990557 - Incorporated on 5 February 2016 
- LANGDON'S LTDDissolved- 07002931 - Dissolved on 2 November 2010 
- R L LANGDON LTD- 14019057 - Incorporated on 1 April 2022 
- PEACE MALA- 05218083 - Incorporated on 31 August 2004 
- MALA LIMITED- 13756673 - Incorporated on 22 November 2021 
- LANGDON BUILD LTDLiquidation- 06806612 - Incorporated on 30 January 2009 
- 23 LANGDON LTD- 03368285 - Incorporated on 9 May 1997 
- A. LANGDON LTDDisolved- 12098535 - Dissolved on 26 April 2022 
- TM LANGDON LTD- 14467616 - Incorporated on 7 November 2022 
- LANGDON HOUSING- 07623246 - Incorporated on 5 May 2011 
- LANGDON LIMITED- 13292837 - Incorporated on 25 March 2021 
- LANGDON AND LANGDON PROPERTIES LTDActive - Proposal to Strike off- 06823411 - Incorporated on 18 February 2009 
- LANGDONC LTDActive - Proposal to Strike off- 10142005 - Incorporated on 22 April 2016 
- AECOM PROFESSIONAL SERVICES LLP- OC306911 - Incorporated on 13 February 2004