I had a dispute with Welt Schatz (welt-schatz.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: Intuitive for beginners|Great customer service|Stable platform
Cons: Withdrawal takes 1-2 business days|No crypto staking