- MRS & MR WEIR LTDDisolved- 14097165 - Dissolved on 17 October 2023 
- MR JONATHAN LUCAS LIMITEDDisolved- 08312749 - Dissolved on 26 September 2024 
- MR CHRISTOPHER JONATHAN CLARKE LTD- 16308649 - Incorporated on 11 March 2025 
- WEIR + WEIR ARCHITECTS + DESIGNERS LTD- NI634509 - Incorporated on 28 October 2015 
- A WEIR LTDLiquidation- 09843890 - Incorporated on 27 October 2015 
- S & J WEIR LTD- SC619552 - Incorporated on 29 January 2019 
- T T WEIR LTDActive - Proposal to Strike off- 10464682 - Incorporated on 7 November 2016 
- D.J. WEIR LTDLiquidation- 02827921 - Incorporated on 17 June 1993 
- W S WEIR LTD.- SC511483 - Incorporated on 23 July 2015 
- WEIR & WEIR PROPERTY LIMITED- NI662967 - Incorporated on 16 July 2019 
- WEIR IT LTDActive - Proposal to Strike off- 11675833 - Incorporated on 13 November 2018 
- J.J. WEIR & CO. LTDActive - Proposal to Strike off- NI066707 - Incorporated on 19 October 2007 
- WEIR USA LP- LP007921 - Incorporated on 3 December 2001 
- ME WEIR LTD- 08455539 - Incorporated on 21 March 2013 
- AJ WEIR LTDActive - Proposal to Strike off- SC611083 - Incorporated on 17 October 2018 
- A BIT WEIRD C.I.C.- 15980000 - Incorporated on 26 September 2024 
- WEIR ABF LP- SL024396 - Incorporated on 18 December 2015 
- PSL (WEIR) LTD- 00248662 - Incorporated on 11 June 1930 
- WEIR PUB LTDActive - Proposal to Strike off- SC508844 - Incorporated on 19 June 2015 
- KEN WEIR LTD- 07537645 - Incorporated on 21 February 2011