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- MELVIS LTD- 11755275 - Incorporated on 8 January 2019 
- CRIGHTONS' INSPIRATION LIMITEDActive - Proposal to Strike off- 07198456 - Incorporated on 22 March 2010 
- IAN CRIGHTON PLUMBING & HEATING LIMITED- SC518435 - Incorporated on 21 October 2015 
- PROFESSOR DAVID BARRETT (2010) LIMITED- 07093772 - Incorporated on 3 December 2009 
- DAVID PROFESSIONALS CONSTRUCTION LTDDisolved- 12049383 - Dissolved on 11 January 2022 
- PROF. ALFRED E. WOODActive - Proposal to Strike off- NI605371 
- PROF SAP SERVICES LIMITED- 10129155 - Incorporated on 18 April 2016 
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- PROF-INGREDIENTS INVESTMENT LLP- OC374297 - Incorporated on 13 April 2012 
- PROF GEORGE SERVICES LIMITEDActive - Proposal to Strike off- 08368935 - Incorporated on 21 January 2013 
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- JEMARK PROF SERVICES LIMITED- 14257057 - Incorporated on 26 July 2022 
- H&E PROF LTDActive - Proposal to Strike off- 10881806 - Dissolved on 8 January 2019 
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- PROF-CARE SYSTEMS LIMITED- 11928581 - Incorporated on 5 April 2019 
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