The relationship between disclosure about sustainability, financial performance, andcorporate governance deserves more attention in the modern business environment. Thisthesis investigates the complex variations in this relationship in the case of Swedish listedcompanies. This study intends to provide insight on the mechanisms by which governancestructures influence the financial consequences of sustainability initiatives byinvestigating how corporate governance functions as a mediator between sustainabilitydisclosure and financial performance. Utilizing data from the NASDAQ Stockholm via the REFINITIV EIKON Database, thestudy investigates the implicit impact of corporate governance components such as boardgender diversity and CEO-Chairman duality on determining the relationship betweensustainability practices and financial performance. The study's systematic search strategyand methodical analysis aim to provide significant insights for companies, investors, andregulators on how to use governance frameworks to generate sustainable andadvantageous business models. This study contributes to the broader conversation on corporate sustainability andgovernance practices by addressing a knowledge gap about how governance structuresregulate the relationship between sustainability disclosure and financial performance. Thefindings are meant to inspire stakeholders about the crucial role that governance plays inpromoting sustainable business practices in the Swedish corporate landscape, as well as tohave practical implications for companies looking to enhance their financial performanceand sustainability strategies.