- CHRISTOPHER HARTMANN ART LTD- 14041356 - Incorporated on 12 April 2022 
- MR CHRIS COLLINS- NI620815 - Incorporated on 8 October 2013 
- A HARTMANN LTD- SC799149 - Incorporated on 14 February 2024 
- M.P.HARTMANN LTDActive - Proposal to Strike off- 10185857 - Incorporated on 18 May 2016 
- HARTMANN & LOTZ (UK)- LP004576 - Incorporated on 2 March 1994 
- MR CHRIS CREATIVE LIMITED- 08095343 - Incorporated on 7 June 2012 
- FILLY AND FOX LTD.- 14285908 - Incorporated on 9 August 2022 
- MR CHRISTOPHER OSBORNE TM LTDDisolved- 13335524 - Dissolved on 20 December 2022 
- LEWIS CHARLES SECURITIES LIMITEDActive - Proposal to Strike off- 07825591 - Incorporated on 27 October 2011 
- HARTMANNWILLER LTDActive - Proposal to Strike off- 14164990 - Incorporated on 10 June 2022 
- HARTMANN WINES LTDActive - Proposal to Strike off- 09805746 - Incorporated on 2 October 2015 
- MR CHRISTMAS LIMITEDLiquidation- 04977181 - Incorporated on 26 November 2003 
- MR. CHRISTIAN'S LIMITED- 07067623 - Incorporated on 5 November 2009 
- MR CHRISTMAS LIMITED- 13164605 - Incorporated on 28 January 2021 
- HARTMANN TOURS LTD- 16236553 - Incorporated on 7 February 2025 
- MR CHRISTOPHER LIMITEDActive - Proposal to Strike off- 09747664 - Incorporated on 25 August 2015 
- HARTMANN & COMPANY LIMITEDActive - Proposal to Strike off- 07825697 - Incorporated on 27 October 2011 
- HARTMANN-KING LIMITED- 03112380 - Incorporated on 10 October 1995 
- KRISTEN HARTMANN LTDActive - Proposal to Strike off- 12103088 - Incorporated on 15 July 2019 
- HARTMANN ENDEAVOURS LIMITED- 12288405 - Incorporated on 29 October 2019