They average about 20 members each. Most of the ecclesias meet in each other's homes or in rented halls. A few own their own buildings. They have no central organizations. Each ecclesia is autonomous.
Coordination is largely through publishing houses.
They have no paid clergy or church hierarchy. Their leaders are called lecturing brethren, managing brethren and presiding brethren. All are male volunteers who are elected to their posts. Women are given equal voting rights. Members do not vote, run for office, or go to war.