The Luxembourg banking system is very developed. The interests of the client in the bank sector are above all, therefore, the non-disclosure of bank secrets is protected at the legislative level and clients can rely on the confidentiality of information. Luxembourg is a perfect country conducting international business. 
https://www.luxlegal.eu/en/banking/

Our company has many years of experience in registering a company in Luxembourg. We provide advice, help with collecting the necessary documents, and we undertake all obligations for your business.

https://www.luxlegal.eu/en/register/company/

Poland is included in the top ranking of the richest countries in Europe. It is a highly developed industrial country with stable economic growth, low inflation, and low unemployment. Poland has tax incentives for investment activities. The Republic of Poland is the country with economic stability and high living standards.

https://www.polzka.com/en/business/