Clinton received other grants of land from Henry I, and he used his position of political influence to enrich himself in other ways; his sum total of wealth rose to become just below the level of the greatest magnates of the kingdom. He had enough to spend 2,000 pounds to insure his nephew Roger de Clinton's election as Bishop of Coventry.

Around Easter 1130 Clinton was accused of treason, but was acquitted by a tribunal including King David I of Scotland,