Since the various arts of Onmyo performed by the both families became a quasi-religion going beyond their original official capacity, and since their art was favored by the nerve center of the Imperial Court, despite the fact that the Kamo clan and the Abe clan only performed the art of Onmyo, they were appointed to higher government posts over others, climbing to the Jushiinoge (Junior Fourth Rank, Lower Grade) which exceeded Onmyoryo-related positions as stipulated by the ritsuryo which was Jugoinoge (Junior Fifth Rank, Lower Grade) being the highest.
また、両家の行う陰陽諸道は本来の官制職掌を越えて宗教化し、これが朝廷中枢に重用されたため、賀茂氏と安倍氏は、その実態がもっぱら陰陽諸道を執り行う者であるにもかかわらず、律令においては従五位下が最高位であると定める陰陽寮職掌を越えて、他のより上位の官職に任命され従四位下格にまで昇進するようになった。