The difference is coldel, our politics are made up of 3 or 4 main parties that all share/work towards a common goal they plan out in advance but the EU is what, 28 countries and potentially 28 agendas? You cant compare it.
Lets take a local firm to me, Bombardier they are based in Derby and make trains. Because of the EU this happened:
http://www.bbc.co.uk...yshire-14019992
it was following EU procurement rules