Here you can find helpful links with regards to the European Union
European Commission: Employment, Social Affairs and Inclusion: https://ec.europa.eu/social/main.jsp?catId=471&langId=en
For various language, choose in the top bar.
European Foundation for the Improvement of Living and Working (Eurofound):
The European Job Mobility Portal (EURES):
European Trade Union Confederation (ETUC):
FIEC (European Construction Industry Federation): The website provides information to construction companies and workers in relation to posting and covers the EU Countries.
EBC Construction SMEs Europe:
International Labour Organisation (ILO):
International Trade Union Confederation (ITUC):
Employment, Social Affairs & Inclusion:
Working conditions Posted Workers: