- MULLAN HOLDINGS LIMITED- NI661025 - Incorporated on 1 May 2019 
- MULLAN PARTNERSHIP LIMITED- 07223998 - Incorporated on 15 April 2010 
- MULLAN CONTRACTING LIMITED- 09166277 - Incorporated on 7 August 2014 
- CLAIRE MULLAN LIMITEDActive - Proposal to Strike off- 10758899 - Incorporated on 8 May 2017 
- MULLAN LANDSCAPES LTD- NI652945 - Incorporated on 11 May 2018 
- MULLAN ENGINEERING LIMITEDActive - Proposal to Strike off- 10192571 - Incorporated on 20 May 2016 
- MULLAN VILLAGE LIMITEDActive - Proposal to Strike off- 10344293 - Incorporated on 24 August 2016 
- SIGMA ACCOUNTANCY SERVICES LIMITEDDissolved- 04922574 - Dissolved on 19 June 2014 
- DARRENN GROUP LIMITED- 10199708 - Incorporated on 25 May 2016 
- DARREN LTDActive - Proposal to Strike off- 09525671 - Incorporated on 2 April 2015 
- DARREN5 LTD- 10374644 - Incorporated on 14 September 2016 
- GERARD MULLANE LTDDisolved- NI703016 - Dissolved on 18 March 2025 
- M&C EXPERIENCE DESIGN LTD- 09122632 - Incorporated on 9 July 2014 
- DMI LTD- 15160791 - Incorporated on 24 September 2023 
- J A MULLANEY LIMITED- 08100765 - Incorporated on 12 June 2012 
- O'MULLAN OPTICAL LTD- NI643294 - Incorporated on 19 January 2017 
- MCALEER JACKSON LTD- NI072207 - Incorporated on 31 March 2009 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023 
- MULLAN SELF HIRE LTDDisolved- NI693173 - Dissolved on 9 July 2024 
- CJ MULLAN ML LIMITED- NI693512 - Incorporated on 6 January 2023