- ARTHUR J LTD- 12637644 - Incorporated on 1 June 2020 
- ARTHUR 1 LTD- 12317436 - Incorporated on 15 November 2019 
- M W ARTHUR LTD- 12975917 - Incorporated on 26 October 2020 
- M.J. ARTHUR LTD- 16314685 - Incorporated on 13 March 2025 
- ARTHUR M.C. LTD- 16191735 - Incorporated on 17 January 2025 
- LEO LYNCH (NI) LTD.- NI633916 - Incorporated on 29 September 2015 
- DUFF LYNCH LTDDisolved- 10061601 - Dissolved on 5 July 2022 
- GARY LYNCH LTD- 14711010 - Incorporated on 7 March 2023 
- LYNCH-TECH LTD- SC842375 - Incorporated on 23 March 2025 
- HARMONY POOLS LTD- 06520989 - Incorporated on 3 March 2008 
- COJO DESIGNS LIMITEDDissolved- 04530663 - Dissolved on 9 October 2012 
- SPERRIN NETWORK SERVICES LIMITED- NI687433 - Incorporated on 13 April 2022 
- LYNCH LIMITED- 02715600 - Incorporated on 18 May 1992 
- SIBBALD LYNCHActive - Proposal to Strike off- 07638876 - Incorporated on 18 May 2011 
- DOMINICS (UK) LTDActive - Proposal to Strike off- 07896498 - Incorporated on 4 January 2012 
- A DOMINICUS LTDActive - Proposal to Strike off- 12126295 - Incorporated on 29 July 2019 
- LAUNCHEE LIMITEDActive - Proposal to Strike off- 12052168 - Incorporated on 14 June 2019 
- J K LYNCH CONSTRUCTION LIMITEDDissolved- 03270655 - Dissolved on 26 April 2011 
- B & D ARTHUR LTDActive - Proposal to Strike off- 11686901 - Incorporated on 20 November 2018 
- ARTHUR F&M LTD- 15795659 - Incorporated on 22 June 2024