- ROWAN (281) LIMITEDDisolved- 08574789 - Dissolved on 7 December 2021 
- P.J. ROWAN LIMITEDLiquidation- 01163241 - Incorporated on 15 March 1974 
- ROWAN (236) LIMITED- 06621421 - Incorporated on 17 June 2008 
- ROWAN (273) LIMITED- 08149882 - Incorporated on 19 July 2012 
- ROWAN (30) LIMITED- 02772965 - Incorporated on 11 December 1992 
- ROWANMOOR PLCActive - Proposal to Strike off- 02364041 - Incorporated on 21 March 1989 
- GREEN ROWAN 2 LTD- 12340275 - Incorporated on 29 November 2019 
- GREEN ROWAN LTD- 10758126 - Incorporated on 8 May 2017 
- ROWAN FIBRE LTD.- SC574470 - Incorporated on 23 August 2017 
- D ROWAN FIBRE LTDDisolved- 13245030 - Dissolved on 13 December 2022 
- ROWAN GLENN LTDDisolved- 13791359 - Dissolved on 2 January 2024 
- ROWAN (216) LIMITEDLiquidation- 05970945 - Incorporated on 18 October 2006 
- ROWAN (252) LIMITEDActive - Proposal to Strike off- 07265960 - Incorporated on 26 May 2010 
- ROWAN (8) LIMITEDLiquidation- 02528345 - Incorporated on 6 August 1990 
- ROWANDEAN LTD.- 03014774 - Incorporated on 26 January 1995 
- ROWAN JAMES LTDLiquidation- 09113418 - Incorporated on 2 July 2014 
- ROWAN (286) LIMITEDActive - Proposal to Strike off- 09196461 - Incorporated on 30 August 2014 
- ROWAN 2017 LIMITEDLiquidation- 11027775 - Incorporated on 24 October 2017 
- ROWAN ST JOHN LTD- 16251510 - Incorporated on 13 February 2025 
- G. ROWAN LIMITED- 04768120 - Incorporated on 18 May 2003