In the current business climate, sustainability has turned into a must for companies looking to succeed over the long haul. The research presented here examines the vital connection between organizational sustainability and employee engagement, highlighting the influence of a supportive workplace culture on these results. The study looks at how motivated workers support sustainability efforts and how companies may create an environment that encourages this kind of work. A mixed-methods approach is used in the research, integrating case studies of prosperous firms with surveys. According to preliminary research, businesses that have supportive cultures and high levels of employee involvement see greater sustainability results. The study aims to provide feasible solutions to the firms that want to use employee engagement for enhancing sustainability