The article attempts to determine the role of the women's agenda in the activities of political parties and the place of women in the parliamentary factions of the leading parties of Great Britain. Based on the analysis of the policies of Labour, Conservatives and Liberal Democrats to the problem of women's promotion in politics, the role of gender quotas as a tool for attracting the female electorate is analyzed. The 2019 General Elections and the tasks political parties were faced with in terms of women's agenda are described in the broad historical context of the evolution of women's politics of the Labour, Conservative and Liberal Democratic parties in the late 20th – early 21st centuries. The author analyzes the election manifestos of the parties in the 2019 elections and concludes about the differences in the approaches to solving women's problems by the right and left parties. In addition, the author reveals the relationship between the women's agenda in the manifestos, the participation of women in the parliamentary factions of parties and women's voting in General Elections.