Thereafter, he participated in most of Yoritomo's major battles, including those that resulted in the Taira and Oshu Fujiwara clans being subjugated, and, on the other hand, rendered many administrative services (Yoshitoki was an expert at post-war military administration rather than making his mark as military prowess).
その後も平氏討伐や奥州藤原氏の討伐など、頼朝の主要な合戦の大半に参加したが、義時は武勇で名を挙げるよりも、戦後の軍政などを得意とする人物であり、行政面において多数の功績を挙げているのである。