SIAP is a political organization established in 2002 by a group of businessmen and figures involved in the Bangsamoro peace process.

It was originally founded as a local political party for Lanao del Sur and is associated with its governor Mamintal Adiong Sr. who died in 2004.

[1] The party would expand to the other provinces of Bangsamoro by 2023.

[1][2] For the 2025 Bangsamoro election, SIAP and the United Bangsamoro Justice Party have entered a deal where UBJP will not field candidates for municipality-level executive positions in Lanao del Sur.

[3] It is also expected to take part in the Bangsamoro Parliament election.