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- MR LEE RICHARD ROSCOE LIMITED- 15754419 - Incorporated on 1 June 2024 
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- J DONALDSON LTDActive - Proposal to Strike off- SC531717 - Incorporated on 5 April 2016 
- A R DONALDSON LTD- 11135304 - Incorporated on 5 January 2018 
- MR DAVID MICHAEL HAMMITT LTDDisolved- 13881191 - Dissolved on 9 July 2024 
- COWI UK LIMITED- 02962837 - Incorporated on 26 August 1994 
- DAVID TAYLOR (LEEDS) LIMITEDDissolved- 06848878 - Dissolved on 30 August 2011 
- DAVID LEECH ARCHITECTS LTD- 11646143 - Incorporated on 29 October 2018