- KARA FERGUS LTDActive - Proposal to Strike off- SC394679 - Incorporated on 3 March 2011 
- FERGUS ENTERPRISES LLPActive - Proposal to Strike off- OC341625 - Incorporated on 21 November 2008 
- FERGUS INVESTMENTS LIMITED- NI035110 - Incorporated on 30 October 1998 
- FERGUS MARR LIMITED- 12505293 - Incorporated on 9 March 2020 
- FERGUS SMALL LIMITEDDisolved- 10888358 - Dissolved on 18 April 2023 
- FERGUS SOFTWARE LTD- 11540688 - Incorporated on 29 August 2018 
- FERGUS INN LIMITEDDisolved- NI667004 - Dissolved on 1 March 2022 
- ST FERGUS LTDDisolved- 14029292 - Dissolved on 12 September 2023 
- MARY FERGUS LTDActive - Proposal to Strike off- 15770861 - Incorporated on 11 June 2024 
- FERGUS TOBEY LIMITEDDisolved- 16065053 - Dissolved on 3 June 2025 
- DAIMON FERGUS LTD- 16213904 - Incorporated on 28 January 2025 
- STEPHENS & STEPHENS DEVELOPERS (WATERGATE) LTDDisolved- 14483161 - Dissolved on 3 October 2023 
- STEPHENS & STEPHENS DEVELOPERS (MALPAS) LTDDisolved- 14458232 - Dissolved on 2 April 2024 
- STEPHENS & STEPHENS DEVELOPERS (GRAMPOUND) LTD- 14483057 - Incorporated on 14 November 2022 
- STEPHENS & STEPHENS DEVELOPERS (TRESILLIAN) LTDDisolved- 14483116 - Dissolved on 2 April 2024 
- FERGUS O'CONNOR LIMITED- 10660548 - Incorporated on 9 March 2017 
- FERGUS OBRIEN LTDDissolved- SC262748 - Dissolved on 25 September 2015 
- FERGUS COMMERCE LLPDissolved- OC311479 - Dissolved on 23 June 2009 
- FERGUS PADEL LIMITEDDissolved- 07299225 - Dissolved on 18 February 2014 
- FERGUS MCHUGH LIMITED- 07402103 - Incorporated on 11 October 2010