This research explores the relationship between sustainability and financial performance of Saudi listed firms. Using a mixed-methods approach, it examines financial data and sustainability indicators from various industries. Initial findings show a positive impact of sustainability on financial performance, suggesting that organizations adopting sustainable practices tend to have improved financial outcomes. The study also explores the underlying mechanisms driving this relationship, including corporate governance, stakeholder engagement, innovation, and strategic alignment. It also considers contextual factors like industry characteristics, geographical location, regulatory frameworks, and firm size. The findings have implications for academia and practitioners, providing empirical evidence of the benefits and challenges of sustainability practices. The research aims to provide a holistic perspective on guiding organizations towards more sustainable and financially resilient futures.