- KARTHIK INFOTECH LTD- 07998749 - Incorporated on 20 March 2012 
- KARTHIK PODUVAL LIMITED- 08926523 - Incorporated on 6 March 2014 
- KARTHIK SURESH LIMITEDActive - Proposal to Strike off- 10585089 - Incorporated on 26 January 2017 
- KARTHIK REPAIRS LTDDisolved- 14650449 - Dissolved on 16 July 2024 
- RADHA ROCHE LTDDisolved- 09798503 - Dissolved on 8 February 2022 
- RADHA F GOODS LTD- 14867315 - Incorporated on 14 May 2023 
- KARTHIK CARFARE LTDDissolved- 07958000 - Dissolved on 1 October 2013 
- KARTHIK SERVICES LIMITEDDisolved- 14517491 - Dissolved on 14 May 2024 
- KARTHIK CONSTRUCTION LTDDisolved- 15176724 - Dissolved on 4 March 2025 
- KARTHIK DHARMALINGAM LTD- 15910856 - Incorporated on 21 August 2024 
- SURIYA KARTHIK LTDDisolved- 14128021 - Dissolved on 31 October 2023 
- PARBAT RADHA LTD- 10248163 - Incorporated on 23 June 2016 
- RADHAWK LIMITED- 07993948 - Incorporated on 16 March 2012 
- RADHAUS LIMITED- 10381167 - Incorporated on 17 September 2016 
- RADHA DESIGNS LTDDisolved- 12595326 - Dissolved on 20 September 2022 
- KARTHIK TAMILSELVAN LTDDisolved- 14433813 - Dissolved on 26 March 2024 
- KARTHIK SEERANGAN LIMITEDDisolved- 13075569 - Dissolved on 16 November 2021 
- KARTHIK CHANTHIRAN LTDDisolved- 14974336 - Dissolved on 3 December 2024 
- KARTHIK MORTGAGES LIMITEDDisolved- 15483962 - Dissolved on 27 May 2025 
- KARTHIK INNOVATION LTD- 06667633 - Incorporated on 7 August 2008