The European Union is heading for disintegration, so that those, who share the common values for which the European Union has been created, must eventually unite to resist advancing. They are convinced that the UK before the referendum was able to agree on the best possible conditions for cooperation within the European Union, such as participation in the common market without the obligation to enter the euro area, with some exceptions from EU rules. However, it was not enough to prevent British voters from choosing to withdraw from the EU. Research has focused on investigating possibilities for economic advancement in the EU at different speeds. The results convinced that this is possible, only the strategies of each state need to be adjusted.