you should go hire a lawyer soon. H1b filing is a long process in itself. Company will have to show that they put effort on hiring locals during recruitment phase. They also have to do pre vailing wage determination, after that recruitment, labour certification and all.

Here is a link that describes the process. Hope this helps! It usually takes 4-5 months to get it done assuming everything goes smoothly.

https://www.alllaw.com/articles/nolo/us-immigration/timeline-labor-certification-process.html