- MR MARTIN MCCASKILL LTDActive - Proposal to Strike off- 09862590 - Incorporated on 9 November 2015 
- MRT MARTINS LDA LIMITEDDissolved- 07629740 - Dissolved on 8 January 2013 
- MR DAVID JAMES MARTIN LTD- 16388942 - Incorporated on 15 April 2025 
- GROGANGROUP LTDActive - Proposal to Strike off- 11958373 - Incorporated on 23 April 2019 
- LYNNE GROGAN 4490 LTDActive - Proposal to Strike off- 10133371 - Incorporated on 19 April 2016 
- BAKER & GROGAN LTD- 07090635 - Incorporated on 30 November 2009 
- R GROGAN LIMITEDLiquidation- 08016147 - Incorporated on 2 April 2012 
- HOLLY GROGAN LTDDisolved- 13958347 - Dissolved on 15 October 2024 
- GROGAN AUTOS LTDDisolved- 14771461 - Dissolved on 10 September 2024 
- C A GROGAN LIMITED- 04638703 - Incorporated on 16 January 2003 
- S GROGAN LIMITED- 04633685 - Incorporated on 10 January 2003 
- GROGAN HAMER LTD- 09118426 - Incorporated on 7 July 2014 
- GROGAN FLOORING SYSTEMS LIMITED- NI063254 
- DANIEL GROGAN LTDActive - Proposal to Strike off- SC549827 - Incorporated on 10 November 2016 
- RONAN MC GROGAN LTDDisolved- 07596598 - Dissolved on 24 July 2023 
- SEAMUS GROGAN LTD- NI701446 - Incorporated on 7 September 2023 
- ALBAEIRN TURBINES LTD.Dissolved- SC320388 - Dissolved on 19 November 2010 
- GROGANS UK LIMITEDDissolved- 06783560 - Dissolved on 25 May 2010 
- MARTIN GOODE MRICS LIMITEDActive - Proposal to Strike off- 07395477 - Incorporated on 4 October 2010 
- MARTINI MRT ENGINEERING LTD- 09452661 - Incorporated on 23 February 2015