- IOANNIS KAROUMPAS- 269 HORNSEY ROAD, LONDON, UNITED KINGDOM, N7 6RZ 
- Ioannis, Mr. FOTIOU- Born August 1972 - Langley House Park Road, East Finchley, London, N2 8EY 
- Ioannis, Mr. VRADIS- Born June 1961 - Thorne Lancaster Parker, 5th Floor Palladium House 1-4 Argyll Street, London, England, W1F 7TA 
- Ioannis, Mr. SAROGLOU- Born May 1970 - Agc Busworks Un2.34 39-41 North Road, London, United Kingdom, N7 9DP 
- IOANNISV LTDDisolved- 14396928 - Dissolved on 12 March 2024 
- IOANNIS K BTL LTD- 14229545 - Incorporated on 12 July 2022 
- IOANNIS LAL (21261) LTDActive - Proposal to Strike off- 10244441 - Incorporated on 21 June 2016 
- IOANNIS LIMITED- 10859974 - Incorporated on 11 July 2017 
- IOANNIS MAZIS LTDDisolved- 13152977 - Dissolved on 31 January 2023 
- IOANNIS K LIMITED- 08653257 - Incorporated on 16 August 2013 
- IOANNIS TEAM LTDDisolved- 13684853 - Dissolved on 11 April 2023 
- IOANNIS PITTAS LTD- 14442282 - Incorporated on 25 October 2022 
- IOANNIS DENTAL LTD.- 08294719 - Incorporated on 15 November 2012 
- IOANNIS KONSTANTAS LTDActive - Proposal to Strike off- 07884685 - Incorporated on 16 December 2011 
- IOANNIS STERGIOU LIMITED- 11290034 - Incorporated on 4 April 2018 
- IOANNIS PACHOUMIS LIMITED- 16125838 - Incorporated on 9 December 2024 
- IOANNIS CONSTRUCTION LTD- 10694894 - Incorporated on 28 March 2017 
- IOANNIS TSETOURAS LTD- 14318917 - Incorporated on 25 August 2022 
- ELIOMARKAKIS IOANNIS LTDDisolved- 13335447 - Dissolved on 18 January 2022 
- IOANNIS RETIAL LIMITEDDisolved- 14129770 - Dissolved on 31 October 2023