A prominent international law firm has reached a deal with President Donald Trump to provide at least $100 million in free legal services and to review its hiring practices, averting a punishing executive order like the ones directed at nearly a half-dozen other major legal institutions in recent weeks.

The chairman of a prominent law firm who cut a deal with President Donald Trump last week to avert the consequences of a White House executive order has told colleagues that he did so because the order “could easily have destroyed our firm” and put it out of business.