Arcidiecézní charita Olomouc (ACHO) was established by the Archbishop of Olomouc in 1990 as a tool for the management, coordination and methodical guidance of charity work in the Olomouc Archdiocese. It provides information and counselling services to the charities in the diocese for social, health and humanitarian services. Abroad, it devotes itself to humanitarian aid and development cooperation. Since 1991 it has helped in more than 35 countries.

Now it is currently active in Haiti and Ukraine.