About us. As a mutual company, Guardian is guided by the needs of our policyholders, who have trusted us through challenging times for 160 years — through the pandemic of 1918, the Great Depression, other recessions, and Superstorm Sandy in 2012. We are built for this type of situation, and we are prepared. Our well-diversified balance sheet, business model, and investment strategy reinforces our strength and stability in times of market turbulen...