Harvard Business Review LogoRival companies should team up to build the market while working independently to own it. by Frank NagleChris AuldCompanies don’t win by isolating themselves, but they don’t win by overcollaborating, either. The real advantage comes from knowing what to build together and what to keep forEvery summer the Tour de France turns endurance into theater. For three weeks the world watches cyclists traverse mountains, windswept flats, and chaotic city finishes. If you want to see strategy in motion, watch the peloton. Riders from different teams—direct competitors with different sponsors, leaders, and ambitions—form a dense, fast-moving pack. Inside this temporary, informal alliance, everyone benefits from reduced wind resistance. The front rider does the most work as the riders behind conserve energy. Positions rotate. Over time the group moves faster than any rider could alone.