Oligocracia: the power absolute exerted by an elite of large corporations and bankers that govern in the shadow;... who represents them as President of a nation is only a puppet or a political figure that runs commands from the oligarquica elite.
Government of the oligarchs of an identifiable class for equality of interests.
Timocracy
Sust. FEM. Domain that exercised a limited minority. It comes from the Greek, of the indefinite adjective «olígos»: little, and the substantive 'translation': power. Synonym: oligarchy. Antonym: democracy.