In the total team, the various agencies exercise complementary roles, as the Lord uses them to build up His local church.
A common strategy that is emerging to advance the Kingdom of God is culturally appropriate church planting movements. Rick Brown describes how different strategies have been used through missionary history (e.g. literature production, personal evangelism, church planting), but that these fail to reach full effectiveness if carried out in isolation. Now Great Commission organizations are working more towards a shared vision, a unified strategy. Using a farming analogy, he outlines key roles in the process of fostering church planting movements among unevangelized people groups. He goes on to summarize the benefits and obstacles to forming effective partnerships and lists core values held by many Great Commission agencies.