It consisted of the local branch of the United Malays National Organisation (UMNO), the Malay Union, the local chapters of the Malayan Chinese Association and the Malayan Indian Congress, and former Chief Minister Lim Yew Hock's Singapore People's Alliance (SPA).

Its campaign policy during the 1963 elections was similar to what the UMNO used in federal elections in Malaysia, and alleged the ruling People's Action Party (PAP) mistreated the Malays, one of the major races in Singapore.

[2] During the 1963 general election, the Alliance performed poorly and lost all its seats.

While the coalition was briefly reformed and re-registered as the "Alliance Party Singapura" in 1966, it did contest any future elections in Singapore and gradually faded from the political scene.

Most of its component parties eventually ceased to operate with the exception of Pertubuhan Kebangsaan Melayu Singapura, which subsequently joined the Singapore Democratic Alliance.