It was established in 2018 by four former Barisan Nasional (BN) component parties operating solely in Sarawak following the federal coalition's defeat in the 2018 Malaysian general election.

[7] It is currently the fourth largest political coalition with 23 seats in the Dewan Rakyat, and forms the government in the state of Sarawak.

[10] The coalition focuses on the state's interests and rights based on the Malaysia Agreement and remain an opposition at the Pakatan Harapan (PH) federal government despite the readiness to "cooperate and collaborate".

[7] On 23 August 2018, its chairman, Abang Abdul Rahman Zohari Abang Openg, announced that GPS Gabungan Parti Sarawak has been registered and is awaiting the issuance of the official letter from the Registrar of Societies (RoS).

The election was marked as a huge success for the party, as it increased control over Sarawak State Legislative Assembly by winning 76 out of 82 seats contested.