Nondenominational
One that does not follow (or is not restricted to) any particular or specific religious denomination, and are led by members of the church congregation (often a group of elders in the church), reflecting a belief that a church is a community of believers rather than a hierarchy.
Distinctions
The content for Distinctions is from Wikipedia.
Nondenominational Christianity consists of churches which typically distance themselves from the confessionalism or creedalism of other Christian communities by not formally aligning with a specific Christian denomination.