I had a dispute with Banc De Binary Ltd / BDB Services Ltd and went to their complaints process. They have an internal team that just defends the company. Then they said I could go to an ombudsman - but the ombudsman they use is industry-funded and rarely rules for the client. The system is rigged.
Pros: Intuitive for beginners|Multiple order types|Multi-device support
Cons: No phone support on weekends