- JANSON COMPUTERS LIMITED- 02157638 - Incorporated on 26 August 1987 
- ISC COMPUTERS PLC- SOLAR HOUSE STUKELEY BUSINESS CENTRE, HUNTINGDON, CAMBRIDGESHIRE, UNITED KINGDOM, PE29 6EF 
- @COMPUTERS PLCActive - Proposal to Strike off- 04784073 - Incorporated on 2 June 2003 
- PLIMSOLL COMPUTERS PLCLiquidation- 01640271 - Incorporated on 2 June 1982 
- TRANSPUTEC COMPUTERS PLCDissolved- 02028398 - Dissolved on 17 January 2017 
- ALBION COMPUTERS PLC- 02043116 - Incorporated on 4 August 1986 
- BROMCOM COMPUTERS PLC- 02040690 - Incorporated on 24 July 1986 
- LC JANSON LTDActive - Proposal to Strike off- 10642034 - Incorporated on 28 February 2017 
- JANSON UK LTDDisolved- 05490909 - Dissolved on 27 September 2022 
- JANSON LIMITED- 04446996 - Incorporated on 24 May 2002 
- JANSON INVESTMENTS- 11766419 - Incorporated on 14 January 2019 
- MFP JANSON LTD- 14400450 - Incorporated on 5 October 2022 
- JLRE LIMITEDLiquidation- 07209741 - Incorporated on 31 March 2010 
- JANSON IMMO LTDActive - Proposal to Strike off- 08798760 - Incorporated on 2 December 2013 
- BRITT JANSON & CO- SL006367 - Incorporated on 19 December 2007 
- NORTHERN BUSINESS COMPUTERS PLCDissolved- 02703614 - Dissolved on 28 September 2011 
- JANSONBAY LTDLiquidation- 08774500 - Incorporated on 14 November 2013 
- JENS JANSON LTD- 12169826 - Incorporated on 22 August 2019 
- 3I PLC- 16 PALACE STREET, LONDON, UNITED KINGDOM, SW1E 5JD 
- 3I PLC- 16 PALACE STREET, LONDON, SW1E 5JD