The professional services industry is at a historic crossroads. For decades, the "Time and Materials" (T&M) model has been the gold standard, but it contains a fundamental flaw: it rewards inefficiency. As agentic AI —systems capable of autonomous decision-making and execution—enters the workforce, the "perverse incentive" of billing by the hour is becoming obsolete. This document explores how new service companies are disrupting the old guard by selling outcomes , not effort