Majalisar zartaswar Burtaniya tana nufin rukunin manyan ministocin gwamnati a Burtaniya da Firayim Minista ya nada don ba da shawara da yanke shawara kan muhimman batutuwan siyasa. Majalisar zartaswar ta ƙunshi Firayim Minista, wanda shine shugaban
