A process server does not need to be licensed in every state. A process server must be licensed in Alaska, Florida, California, Illinois, Montana, Nevada, Oklahoma, Washington. There are some states that have local licensing requirements as well. For a more details on local and statewide licensing laws for process servers, please visit the web sites for National Process Server Associations page.
What is a Proof of Service?
A Proof of Service is a document that your process server with provide to you stating when, where and who was served.