As of March 2025, 73.03% is owned by Indian Promoters and 26.97% by Public.

Institutional holds 3.71% (Insurance Companies 0.06%) and Non-Institutional holds 23.27% as Public shareholders.

Top two Promoters holding highest number of shares of Effwa Infra & Resear company are Varsha Subhash Kamal (86.40 lakhs shares / 37.32%) and Subhash Ramavtar Kamal (82.66 lakhs shares / 35.71%).