Try litebit.eu, coinimal.com, 247exchange.com.
If I was you I would try out Coinimal. With just a verified phone number you can buy 1,000 euros a day. 5,000 a month. They accept Sofort.
Here is their Ann thread. Also owner is reputable user here on the forum, TwinwinnerD.
https://bitcointalk.org/index.php?topic=1004065.0Cheers!