- WILSON WEIR & CO LTDDisolved- 13772689 - Dissolved on 14 May 2024 
- PORLOCK WEIR LTDDisolved- 13961681 - Dissolved on 4 March 2025 
- WEIRSOLUTIONS LTDDisolved- SC738827 - Dissolved on 19 December 2023 
- WEIRDIGANS LTDActive - Proposal to Strike off- 06241200 - Incorporated on 9 May 2007 
- CKL (WEIR) LIMITED- SC481297 - Incorporated on 2 July 2014 
- WEIR KAR PARTS LTD- NI657430 - Incorporated on 28 November 2018 
- WEIRD NUMBRS LTD- 12506365 - Incorporated on 9 March 2020 
- WEIRDOUGHS LTDDissolved- 12593775 - Dissolved on 6 July 2021 
- WEIRDO LIMITED- 12627238 - Incorporated on 27 May 2020 
- WEIR TRADING LTD- 14521335 - Incorporated on 2 December 2022 
- WEIRENTANG LTDDisolved- 14994636 - Dissolved on 29 October 2024 
- WEIR HOLDINGS BVopen- BR008389 - Incorporated on 9 August 2005 
- LETS GET WEIRD LTD- 16492032 - Incorporated on 3 June 2025 
- WEIR VIEW LIMITEDDissolved- 04212340 - Dissolved on 26 February 2019 
- ADELPHI WEIR LLPActive - Proposal to Strike off- OC356065 - Incorporated on 30 June 2010 
- WEIR HOUSING LTD- 06269817 - Incorporated on 5 June 2007 
- WEIR CAPITAL LTD- 11942949 - Incorporated on 12 April 2019 
- WEIRD PURPLE LTD- 11989539 - Incorporated on 10 May 2019 
- WEIRDSMILINGPEOPLE LTD- 11187863 - Incorporated on 5 February 2018 
- JOHN A WEIR & SONS LTD- NI642309 - Incorporated on 23 November 2016