I had a dispute with Impersonation of Futu Securities (Australia) Ltd (m.fu-tuweb.com) 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: Fast support response|Stable platform
Cons: Search feature is basic|No fractional shares