1. You cannot open a company in your spouse's name. It would be illegal if you do business through your spouse. But if your spouse wants to do business he or she can. So there is a shade of distinction between what you said. Can I do business through my spouse and the answer is "no" and can my spouse do business the answer is "yes".
2. Yes, you will need to provide copies of all your documents and it is not necessary that she gets a W2 if she's getting a distribution instead of a salary that's fine.
3. First of all, I don't think if the company is not yours and is your wife's and you have nothing to do with it, then you have no questions about it, your wife will have to answer questions about what kind of company etc... More...
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