Founded by Park Moo-ik in 1974, the company became a member of Gallup International Association in 1997.

[8][1] Furthermore, it almost correctly projected the number of votes won by the candidates in the 1997 South Korean presidential election.

[9] In 2006, Gallup Korea in association with Korean Statistical Society, established the Gallup Korea Academic Award (Korean: 한국갤럽학술상) to encourage the development of statistics and research activities in related fields.

[10] In March 2021, Gallup Korea signed a memorandum of understanding with KT Corporation to introduce artificial intelligence technology in opinion polls.

[7] It conducts various periodic public surveys to check current popularity and influence of political leaders, entertainers and sports athletes.