EU investigates alleged sweet tax deal for McDonald's

BRUSSELS -- The European Union is investigating allegations that fast food giant McDonald's (MCD) received a sweet tax deal from Luxembourg, at a time when the bloc is trying to crack down on preferential treatment for multinationals.

EU antitrust Commissioner Margrethe Vestager said Thursday that the Luxembourg deal may have breached state aid rules, which seek to keep a level playing field for businesses across the 28 member states.

The EU says that since 2009, McDonald's Europe Franchising paid no corporate tax in Luxembourg despite large profits. It said the profits were more than 250 million euros ($265 million) in 2013.

Vestager said that "a tax ruling that agrees to McDonald's paying no tax on their European royalties either in Luxembourg or in the U.S. has to be looked at very carefully."

The EU said Luxembourg gave McDonald's "an advantage not available to other companies in a comparable factual and legal situation."

In October, the EU already demanded that Starbucks and Fiat repay up to 30 million euros ($34 million) each in back taxes, in what was the start of a broad crackdown on favorable tax deals for multinationals.

Multinationals in Europe pay taxes in the country where they have their regional headquarters, and countries have long competed to lure the big companies.

That has resulted in some offering advantages that allow companies to pay very low tax overall. It has become a big political issue as citizens in many European nations are forced to tighten their belt because of the weak economy while some multinationals get away with huge tax breaks.