no-name

Lacking a recognizable name, identity, or reputation; not noteworthy.

They went with a no-name shop on the edge of town.

A week after we met we were married in a no-name town in the middle of the night by a justice of the peace whose shingle was hanging in front of his house.

Someone or something lacking a recognizable name, identity, or reputation.

If you hire some no-name for the job, be sure to check references.