As one of the most progressive insurance brokerage firms in the United States, McGriff, Seibels & Williams leads the way with innovative programs to protect our clients' financial interests. Our experienced professionals work with some of the world's largest corporations to design state-of-the-art solutions for a full range of needs ...from property and casualty exposures...to employee benefits, life and pension plans...to financial services and surety products...to specialty insurance programs.