I went with Trade Rep and they are serious. Their app still needs few things but otherwise well made.
For ETF, pick only Europeans Providers, here is a list:
- AXA (France)
- Amundi (France)
- BNP Paribas (France)
- HANetf (Netherlands)
- HSBC (UK)
- Legal & General (UK)
- Ossiam (France)
- Robeco (Netherlands)
- Tabula Investment Management (UK)
- UBS (Swiss)
- Xtrackers (Germany)
Feel free to expand if there is more you know, I listed my ETF providers