[11] Mahmud was the first woman to be elected president of The Institute of Chartered Accountants of Bangladesh in 2011.
[16] In December 2018, Mahmud was elected chairman of the Underprivileged Children Education Program.
[18] In February 2018, she announced plans to buy a 40 per cent stake in EOS Textile Limited.
[18] Mahmud, then chairperson of MIDAS Financing Limited,[19] was made a trustee of Transparency International Bangladesh in June.
[22] Mahmud, managing director of Shasha Garments, announced plans to invest five million USD in the Dhaka Export Processing Zone.