Yes this ain't the final layout of the new rules these are as always the outcast but as we also know it often comes out alot less beneficial for the user in the end
It's simple f his hired by a company they will take care of all the paperwork for the visa and work permit.
If his as also mentioned wanted to do This as a pure freelance then it's the company set up and more or less rent him self out as a consultant through his company