- GAVIN O'BRIEN LTD- 10706436 - Incorporated on 4 April 2017 
- KITTY O'BRIEN LTD- 13737740 - Incorporated on 11 November 2021 
- G O'BRIEN LIMITEDDisolved- 12979489 - Dissolved on 3 January 2023 
- O'BRIEN FELLOWS LIMITEDActive - Proposal to Strike off- 05400886 - Incorporated on 22 March 2005 
- O'BRIEN PAYROLL UK LIMITED- 04703306 - Incorporated on 19 March 2003 
- KEANE ASSOCIATES LIMITEDDisolved- 03158454 - Dissolved on 11 April 2023 
- KEANE ANALYTICAL LTD.- 03469494 - Incorporated on 21 November 1997 
- KEANE AVIATION LIMITEDActive - Proposal to Strike off- 08178342 - Incorporated on 14 August 2012 
- KEANE PROPERTY LIMITEDDissolved- 05343753 - Dissolved on 19 January 2016 
- KEANE BATTERSEA LIMITED- 07974357 - Incorporated on 2 March 2012 
- ROBINSON KEANE LIMITED- 03743251 - Incorporated on 30 March 1999 
- JENKINS & KEANE LIMITED- 04125145 - Incorporated on 13 December 2000 
- KEANE & NORTON LIMITEDActive - Proposal to Strike off- 01206358 - Incorporated on 7 April 1975 
- KEANE (CONTRACTORS) LIMITEDDissolved- 05097843 - Dissolved on 13 September 2013 
- KEANE BROTHERS LIMITEDActive - Proposal to Strike off- 02397010 - Incorporated on 20 June 1989 
- KEANE CONTRACTING LIMITEDActive - Proposal to Strike off- 06753371 - Incorporated on 19 November 2008 
- KEANE MANAGEMENT LIMITEDDissolved- 08685547 - Dissolved on 5 May 2015 
- OLIVER KEANE LIMITEDActive - Proposal to Strike off- 10808427 - Incorporated on 7 June 2017 
- CONSULT KEANE LIMITED- 14899842 - Incorporated on 29 May 2023 
- KEANE DEVELOPMENTS LIMITEDDisolved- 15289119 - Dissolved on 15 April 2025