The Hanover highlights its diversity and inclusion efforts for its employees on its website. From 2018 to 2022, it earned a perfect score from the Human Rights Campaign Foundation's Corporate Equality Index for policies and practices that make it an LGBTQ-friendly and equal workplace. The Hanover has also partnered with United Way through donations and employee participation to support United Way's network of nonprofits. Additionally, The Hanover's wholly-owned investment management company, Opus Investment Management, Inc., released its investment policy showcasing its approach to investing with social, environmental and governance.