PLS is a not-for-profit company limited by guarantee. We are owned and controlled by four trade associations representing publishers' interests:
• the Association of Learned and Professional Society Publishers (ALPSP);
• the Independent Publishers Guild (IPG);
• the Professional Publishers Association (PPA);
• the Publishers Association (PA).
Up to three directors are nominated by each of the trade association members of PLS and must be approved by the Board. The Chairman is appointed by the Board and is independent of the members. The Chief Executive is appointed by the Board.