The Pompey Supporters Trust (PST) is a democratic, not-for-profit organization dedicated to amplifying the voices of Portsmouth FC supporters and strengthening their connection to the club and the wider community. Committed to enhancing the decision-making process at Portsmouth FC, the PST actively collaborates with various entities, including Supporters Direct and The Football Supporters Federation, ensuring timely communication of important information to its members.

With a membership available for just £5 per year, the PST not only fosters a strong supporter community but also facilitates unique opportunities such as exclusive allocations of away tickets for members. The board, composed of both elected and non-elected members, reflects the trust's democratic foundation, ensuring that supporter interests are always at the forefront. Additionally, the PST engages in community initiatives, such as Pompey in the Community, and supports local projects like Pompey Ladies and Junior Blues, all while maintaining a commitment to transparency and accessibility for its growing member base.