- MARIO PILLA ARCHITECTS LIMITED- 05433024 - Incorporated on 22 April 2005 
- PILLAR44 LTDActive - Proposal to Strike off- 14045975 - Incorporated on 13 April 2022 
- PILLAR 47 9 LTD- 15994661 - Incorporated on 2 October 2024 
- PILLAR LTD- 10814611 - Incorporated on 12 June 2017 
- VILLA SAN VINCENZO LLPDissolved- OC341811 - Dissolved on 4 July 2017 
- VINCENZO'S IT SOLUTIONS LTDActive - Proposal to Strike off- 10765669 - Incorporated on 11 May 2017 
- TELECOMPONENTI COSTA VINCENZO (UK)Converted / Closed- FC035170 - Dissolved on 15 November 2021 
- TELECOMPONENTI COSTA VINCENZO (UK)closed- BR020251 - Incorporated on 1 March 2018 
- 6PILLARS LTDDisolved- 11636965 - Dissolved on 24 May 2022 
- 3 PILLARS LLPDissolved- OC331421 - Dissolved on 12 May 2009 
- K PILLARS LTD- 08165132 - Incorporated on 2 August 2012 
- DR W R PILLAY LTDDisolved- 09512485 - Dissolved on 1 July 2025 
- 12 PILLARS LTD- SC314069 - Incorporated on 4 January 2007 
- 9 PILLARS LTDDissolved- 11319817 - Dissolved on 24 September 2019 
- PILLARQ LLPDisolved- OC426481 - Dissolved on 20 July 2021 
- PILLAR CITY LIMITED- 04091078 - Incorporated on 11 October 2000 
- PILLAR HR LTDDisolved- 11813115 - Dissolved on 3 August 2021 
- PILLARS LTDDissolved- 04051759 - Dissolved on 1 June 2017 
- 8TH PILLAR LTDActive - Proposal to Strike off- 07040256 - Incorporated on 14 October 2009 
- PILLAR GM LTDDissolved- 07646582 - Dissolved on 8 January 2013