[lukasm]

I wrote a tutorial how to get ITIN if you are not US citizen

https://coderwall.com/p/nmrosg

[karanjassar]

Thanks. This could be a direction we can explore.

Although, in our case, the receivers of the equity are individual salaried employees of our company, not sole proprietors. However, this seems like worth exploring so I'll take it up with a tax consultant.