Avantages
The Zen room, the slurpee machine, great office space where you can give your family a tour, pet friendly, and of course some really creative people. In fact, you should consider working for this company to get an idea of what it is to work for a fledgling organization who is trying to implement maturity in it's processes but going about in an unstructured way.
Inconvénients
1. Lack of maturity in the senior leadership team: The entire senior leadership team is organic. While this may be good news from a career opportunity perspective (at least for the senior leadership team), what it also means is that these members have not had the exposure to work in mature, complex organizations which are spread geographically and vertically.
2. Lethargy to institutionalize processes: There are constant conflicts between processes. For example you have a direction to deliver 3 days of estimated work within 2 days, but no effort is made to recognize the risk, highlight it or mitigate it. Likewise, there's no change management process, no contract management process, no scope management process - all there is, is some loose guidelines and a lot of heat when things go 'wrong'. Well, duh.
3. Money matters - both internal expenditure which is frivolous as well as compensation.