Brussels, 19/06/2015 (Agence Europe) - Some 76 European building sector trade unions launched a campaign, Stop Letterbox Companies, across 34 European countries on Tuesday 16 June. The campaign targets so-called letterbox companies, which have no real economic activities but are set up in a country to take advantage of favourable tax or social legislation. The unions are calling for a review of the services directive (2006/123/EC), and the implementation of a European registration system for...