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- CALLUMCROFT LIMITEDActive - Proposal to Strike off- 10981374 - Incorporated on 26 September 2017 
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- CALLUM SHARP TM LIMITEDActive - Proposal to Strike off- 10126226 - Incorporated on 15 April 2016 
- CHELSEA AND CALLUM UK LTD- 15941183 - Incorporated on 6 September 2024