PT Esta Indonesia Tbk engages in the breeding and cultivation of swiftlet birds for edible bird's nests in Indonesia; the company produces and sells raw swallow bird's nests and processed products derived from them for use in the food and beverage, cosmetics, and nutraceutical industries; it also conducts wholesale trading of agricultural products and other livestock. Esta Indonesia Tbk manufactures its products at a facility in Semarang, operates nine swallow bird houses across Indonesia including regions in Kalimantan and Sulawesi, and exports to international markets such as China, Australia, Japan, and Hong Kong while serving domestic customers. Founded in 2000 as a family-run enterprise and headquartered at Terboyo Industri II/2, Semarang, Central Java, the company listed on the Indonesia Stock Exchange under ticker NEST.JK in August 2024, marking its transition to a public entity with enhanced capital access for expansion.