Supaluck Umpujh is the chairperson of The Mall Group, one of Thailand's largest mall and department store operators, which was founded by her father, Supachai Umpujh. The Mall Group's properties include Siam Paragon, The Emporium, EmQuartier and Bluport Hua Hin, and the 15-billion baht Emsphere Mall, which opened in December 2023.

She took her first steps in business at the young age of 23, gaining recognition nationally and internationally for her management of The Mall Group. She received the prestigious Iron Butterfly award from the Women Leaders in AI Retail Association in 2021 (2565 Thai calendar), recognising her as an outstanding businesswoman in Asia and a distinguished female executive. In the same year, she was given the rank of Knight in The National Order of the Legion of Honour, appointed by the President of the French Republic, in recognition of her support and promotion of French fashion brands in Thailand.