The Posh Supporters Trust (PST) is committed to enhancing the connection between fans and Peterborough United Football Club. Founded to amplify the voices of supporters, PST actively engages with the club's senior leadership, ensuring that the views and concerns of members influence key decisions within the organization. By joining the PST, fans can take part in the governance of the club and secure its future, while also contributing to its financial stability through membership and voluntary donations.

The Trust operates with a dedicated team of volunteers who share a passion for Peterborough United, and they welcome new members who can lend their skills or time. Members enjoy benefits that include access to the latest news, newsletters, and history of the Trust, as well as chances to participate in events and initiatives that support the club. With various membership options available, the PST invites fans to join and strengthen their collective voice in the football community.