Taxes depend on each country (or in this case the EU)'s economic policies, you need to talk to your politicians for that.
It would be a sad day indeed if a private company could decide what a country's tax levels should be. I suspect we might have lower import taxes, for example, if toxic treaties like the TTIP had been adopted, but then we might also have some US-EU "harmonization" in terms of the slashing of traditional hard-won European workers' rights like guaranteed paid vacations in excess of 20 workdays/year or paid maternity leave of up to 1-2 years. I'll take the higher import taxes over any broad antisocial US-style economic policies, thank you very much.