But how do they manage the financial contributions they receive through gifts and donations, and what do they do with the money they collect?
A cross-border team of journalists from Belgium and the Netherlands went in search of answers to shed light on the Jehovah's Witnesses' closed financial system and spoke with former members.
The team discovered that tax advantages, an ingenious business model and total control from above lead to eight men in America who claim to have the voice of God.