Ok. An H-1B transfer is like filing a new H-1B with all the requirements except that he doesn't have to go through the H-1B visa lottery since he has already been counted against the H-1B cap.
The information on the H-1B is basically that he must have a job offer, the job offer must be for a company that is offering a position that is related to his degree and experience. The position must also normally require a bachelor's degree or higher. Your company must have a need for someone in that position and must have the resources to be able to pay him what is normally paid to someone in that position. All these things must be provable with financials, business plan, etc.
Here is an official link to the H-1B:
So the first think you have to do is pull an Labor Condition Attestation (LCA). Here is a link:
This is an attestation that there are no qualified US. workers in the area for that position.
Once you have that, then you can file the I-129 and supporting documents. As soon as USCIS gets the filing, he can go work for you.
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