PEOs are an incredibly imperfect solution. Makes giving equity much more difficult and, in some cases, impossible. And benefits like healthcare and ESPPs also get very difficult. You end up with a set of "second-class" employees. We do it when we have to, but it's a lot better to setup a full legal entity. The challenge is that makes you first hire in a country often cost at least tens or hundreds of thousands in legal fees. And, in the worst cases, can be millions.