We do not support LLCs as subsidiary of other companies, for reasons. We do support that use case for C corporations. There are complicated tax issues involved here; an accountant can talk you through them.
Google has some issues that you and I probably do not, and has some lawyers and accountants that you and I probably do not. Thankfully, we don't have to build a product which seemlessly works for this Google; we just have to build one which seemlessly works for the next Google.
