Paymium is the first European exchange founded in 2011.
They provide EUR/BTC exchange service as well as send and receive Bitcoins by mail.
They comply with European Regulations and accept SEPA Wire Transfer and Credit Card Bitcoin purchase (arriving December 15th, 2016).
They store Bitcoins in cold storage for security.
Every single transaction is traceable and irretrievably stored in the blockchain.
Your coins and deposits are available and tradable 24 hours a day, 7 days a week.
The registration is free, depending on the provider there are different fees for the trade.