This essay critically analyzes the gender pay gap, a significant issue of social inequality in the workplace, from a sociological perspective. It examines the historical context of women's roles in organizations, highlighting the shift from exclusion to unequal pay, and discusses the concept of the gender wage gap, differentiating between unadjusted and adjusted pay gaps. The essay explores relevant sociological theories, including feminism, conflict theory, and the different waves of feminism, to explain the underlying causes and societal impacts of the pay gap. It references key literature and scholarly articles to support its arguments and concludes by summarizing the factors contributing to the gender pay gap and the influence of feminism in addressing workplace inequalities. The essay covers the different phases of feminism in the United Kingdom and their impact on society.