The study problem was to determine the impact of disclosing social responsibility dimensions on supporting sustainable competitive advantage, specifically its dimensions of cost leadership, differentiation, creativity, and innovation. The study employed historical, deductive, inductive, and descriptive-analytical methodologies, analyzing relevant data statistically and testing the relationship between study variables. A questionnaire was used to collect primary data from 100 employees of companies listed on the Palestine Exchange regarding the impact of disclosing social responsibility dimensions on supporting sustainable competitive advantage. The study tested the following hypotheses: Disclosing social responsibility dimensions has a positive impact on achieving cost leadership strategies; accounting disclosure of social responsibility dimensions significantly contributes to enhancing the company's and its products' differentiation; and accounting disclosure of social responsibility dimensions positively affects the company's ability to be creative and innovative. The study concluded that disclosing social responsibility dimensions contributes to the differentiation of companies and their products. The study recommended that companies listed on the Palestine Stock Exchange disclose their corporate social responsibility dimensions in their accounting reports to support a sustainable competitive advantage, encompassing cost leadership, excellence, and innovation. Keywords: Disclosure, Social Responsibility Dimensions, Sustainable Competitive Advantage, Cost Leadership, Excellence, Innovation.