From a legal point of view, businesses in tax havens do not have to break the law, in any case, ethically it is difficult to explain this type of action to the general public, and even more so when many of them boast, through their advertising, to be ethically responsible companies with society.
Of the 357 entities that participate in the Spanish stock market, close to 95% operate in countries classified as tax havens; ACS, Abengoa, Santander, Inditex and Repsol are the entities that operate the most in this type of market and the preferred ones turn out to be in the Netherlands, Switzerland and Panama.