Koeslan Coffee Roastery

Solo, Central Java

Koeslan Coffee Roastery began in Solo in 2016 and has steadily built a reputation for technical roasting excellence. In 2022, they were named ICRC (Indonesia’s national coffee roasting) champion and placed 3rd in the WCRC (World Coffee Roasting Championship) — a significant milestone that positioned them among the most accomplished roasters in Asia. Their approach combines methodical roast profiling with continuous competition-level refinement. While based in Solo, Koeslan’s reach has grown nationally through their wholesale and retail collaborations, making their coffees a regular feature among Indonesian coffee enthusiasts.