- JANSEN NEILL LIMITED- 11210255 - Incorporated on 16 February 2018 
- JANSEN-HUGHES LIMITEDActive - Proposal to Strike off- 10574447 - Incorporated on 20 January 2017 
- COORS JANSEN LIMITED- SC695999 - Incorporated on 16 April 2021 
- JANSEN METCO LIMITED- 07382370 - Incorporated on 21 September 2010 
- JANSEN KOSMETIKK LTDActive - Proposal to Strike off- 09537552 - Incorporated on 13 April 2015 
- CHARLOTTE JANSEN LIMITED- 10934338 - Incorporated on 25 August 2017 
- JANSEN TRAVEL LIMITEDDisolved- 10938748 - Dissolved on 21 May 2024 - Tesselschadestraat 11, Amsterdam, 1054 ET 
- JANSEN HOLDINGS LIMITED- 13513302 - Incorporated on 15 July 2021 
- JANSEN LONDON LIMITED- 15808826 - Incorporated on 28 June 2024 
- JANSEN DISPLAY LTD- 06458734 - Incorporated on 20 December 2007 
- JANSEN LEISURE LTDActive - Proposal to Strike off- 05099786 - Incorporated on 13 April 2004 
- JANSENS (UK) LIMITEDActive - Proposal to Strike off- 05841587 - Incorporated on 8 June 2006 
- MR MICHAELS FLORISTS LIMITED- SC253722 - Incorporated on 4 August 2003 
- MR LEIGH MICHAEL CLANCY LIMITEDDisolved- 13178147 - Dissolved on 12 July 2022 
- MR STEPHEN MICHAEL MCCORMACK LIMITEDDisolved- 13809026 - Dissolved on 25 February 2025 
- JANSENHARRIS LIMITEDDisolved- 12612241 - Dissolved on 11 October 2022 
- C JANSEN PHILP LIMITEDActive - Proposal to Strike off- 09939510 - Incorporated on 7 January 2016 
- CORE JANSEN STUDIOS LTDDisolved- 12911112 - Dissolved on 1 March 2022 
- JANSEN INDUSTRIES LP- SL025111 - Incorporated on 19 February 2016 
- JANSEN CORPORATION LIMITEDActive - Proposal to Strike off- 08222491 - Incorporated on 20 September 2012