"Messianics" are full-fledged Christians. Don't confuse people who call themselves "Messianics" with people of the Jewish religion.
Stay away from anybody who pushes "Messianic Judaism." That is just a missionary trick to get you to become a Christian.
"Messianic" is a code name for Christians who are trying to mislead Jewish people. They are to be condemned for their lying methods, and for underestimating the intelligence of their Jewish "targets."
Also look out for anyone who refers to "Yashua" or "Yeshua." This is a trick to avoid using the name "Jesus," so that these missionaries imply that they are not pushing Christianity, when of course they are
Pros: Clever name for a non-Jewish house of worship
Cons: Not a Jewish house of worship