Sure they are. Almost everyone does, to the point it is really hard to compete if you don't make some magic debt too. They transfer money from country X to coun

Sure they are. Almost everyone does, to the point it is really hard to compete if you don't make some magic debt too. They transfer money from country X to country Y, then a company owned by themselves build them a new warehouse for more money than the local branch have left and voilà, they are now in debt to themselves and don't pay taxes because of it while they get richer because they were already profitable. The richer the company the more they likely do this.