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- CALUM LAWSON GOLF LTD- SC586172 - Incorporated on 19 January 2018 - Strathaven Golf Club Glasgow Road Strathaven Lanarkshire, ML10 6NL, ML10 6NL 
- CALUMFYFE LIMITED- 14307634 - Incorporated on 19 August 2022 
- GARY LTDDisolved- 13493299 - Dissolved on 12 September 2023 
- GARY'S LTDActive - Proposal to Strike off- 09651444 - Incorporated on 22 June 2015 
- D SMALLMAN ARCHITECTURE LTDActive - Proposal to Strike off- 07234798 - Incorporated on 26 April 2010 
- CALUMMILO LIMITEDActive - Proposal to Strike off- 09837827 - Incorporated on 22 October 2015 
- CALUM BAPTIST PFX LTDDissolved- 12621990 - Dissolved on 29 June 2021 
- LWA DIGITAL LTDDisolved- 10806677 - Dissolved on 12 October 2021 
- CALUM WARD & CO. LIMITED- 04661619 - Incorporated on 10 February 2003 
- CALUMI FINE FOODS LTDActive - Proposal to Strike off- 12173460 - Incorporated on 26 August 2019 
- GOLDENSTEN&GREY INVESTMENT UNLIMITEDActive - Proposal to Strike off- 09471637 - Incorporated on 4 March 2015 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023 
- COX & SMALLMAN (ENGINEERING) LIMITED- 01484209 - Incorporated on 10 March 1980 
- CLARE SMALLMAN CONSULTANCY LIMITEDDissolved- 06456928 - Dissolved on 5 November 2013 
- CALUM'S COMPOSITES LTDDisolved- 12330557 - Dissolved on 15 February 2022 
- MR MR2 LTD- 11218539 - Incorporated on 21 February 2018 
- ROLLING TV LIMITED- 07616002 - Incorporated on 27 April 2011 
- APPS FOR LONDON LTD- 08680858 - Incorporated on 6 September 2013 
- CALUM D CONSULTANCY LTD.Active - Proposal to Strike off- 10038951 - Incorporated on 2 March 2016