As with other In no Kinshin (the retired Emperor's courtier) and Zuryo (the head of the provincial governors), Masamori worked for the In's financial gain but also did not forget to strengthen the bushi group by using his positions as the Azukaridokoro of shoen, Zuryo, and Tsuitoshi to organize local forces into his private troops.
忠盛は他の院近臣受領と同じく院への経済奉仕に励む一方で、荘園の預所・受領・追討使の地位を利用して在地勢力を自らの私兵に編成するなど、武士団の増強も怠らなかった。