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- CALUM THOMSON LTDActive - Proposal to Strike off- 09391225 - Incorporated on 15 January 2015 
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- CALUMO UK LIMITEDLiquidation- 06534478 - Incorporated on 14 March 2008 
- CALUM SADDLER LTDActive - Proposal to Strike off- 10861356 - Incorporated on 12 July 2017 
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