In May 2009, he co-founded the KYEO shows agency with Jana Apačka Grygarová, which, in addition to its promotional activities, began publishing Full Moon magazine in 2010. Currently within the publishing house SMILE Music s.r.o. he publishes magazines Full Moon, Spark, and co-owns the most visited Czech music website musicserver.cz.
Since 2018, he has been running Kabinet Múz in Brno, which is one of the most famous Czech music clubs. Thanks to the award-winning vegan restaurant Die Küche and the newly established music label Kabinet Records, his activities within the music scene have expanded, and thus is becoming an important community center in Brno.
Martin Kozumplík is a founding member of BACH – Brno Club Music Association, which actively participates in current debates on the help from the state to the music scene and gathers club scene in Brn