The television at his home. His wife's cell phone. The screens on order for his firm's offices. All Samsungs. No, it was not part of the deal when MWW Group won the electronics giant's North American account in April. However, it epitomizes what CEO Michael Kempner classifies as commitment.

"You should enthusiastically support clients in every action," he says. "Why wouldn't you?" In fact, the level of Kempner's devotion was evident early on.

"Watching the process my 13-year-old daughter went through in ...