Hello,
I have a professional and advance level experience with website designing and development, bitcoin, etc.
I will make you sure to design and develop a website for your quick bitcoin bureau like BTC-PLN and vice versa as per your requirements.
We also have a in-house team based in Wood Dale, USA who are professional designers and developers and has developed an cryptocurrency website with live api trading which i can show you by chat, so from where you get an idea about your work.
We will also provide you a complete help for long term process.
Best Regards
Peter