NationMaster boasts, "Compare countries on just about anything!" You can start with their statistical profile of Europe. You can compare multiple countries or review a profile of a specific country. Data categories include GDP, poverty, health and many others. Check it out!
The official website of the European Union is https://europa.eu/european-union/index_en. This is a good starting point if you are looking for information and services provided by the EU.
The World Bank aids countries in fighting poverty through programs that help develop trade, manage natural resources and improve human rights. Visit their Europe and Central Asia section for more information.
Check out the news organizations below; you can search their websites by country, or "Europe" for general reporting on European business.
Check out globalEDGE from Michigan State University. Featuring blog posts, the Database of International Business Statistics (DIBS) and the ability to browse Global Insights by country make this an indispensible tool in your research.