Chancelor of Exchequer babban jami'i ne a gwamnatin Burtaniya. Kalmar “Exchequer” tana nufin ma’aikatar gwamnati da ke da alhakin tafiyar da harkokin kuɗin ƙasar. Don haka shugabar asusun ajiyar kuɗi ita ce ministar gwamnati wacce ke da alhakin tafiyar da manufofin tattalin arziki da kuɗi na Burtaniya. Wannan ya hada da alhakin tsarin haraji na kasar, kashe kudaden jama'a, da sauran batutuwan kudi. Ana ɗaukar Chancellor of Exchequer ɗaya daga cikin manyan mukamai a cikin gwamnatin Burtaniya kuma yawanci memba ne a majalisar ministocin Firayim Minista.