In fact, he kept a portion for himself of all that passed through his hands. He sold offices and military ranks. He is known in Mexico as corrupt and inept, and one of the worst governors in the history of New Spain. This was in high contrast to his predecessor, Juan Vicente de Güemes, 2nd Count of Revillagigedo, considered one of the best. Grúa was opposed to Güemes Padilla in other ways as well—he began his government by favoring the enemies of the previous government.