Complex sentence: Messner, Vetere, Berger, McNamee, Schmetterer launched in 1987, was named Ad Agency of the Year by Adweek in 1991, with clients including Volvo, Maxwell Tape and Pioneer.
Split into simpler sentences: Messner, Vetere, Berger, McNamee, Schmetterer launched in 1987. Named Ad Agency of the Year by Adweek, 1991, the firm held clients including Volvo, Maxwell Tape and Pioneer.