If you want to live and work in Denmark, the danish authorities have made this homepage for you: https://nyidanmark.dk.

Most construction workers are working here in one of these three different ways:

1. You are employed and have an address in your home country, but work in Denmark. Aka: Posted Worker (Udstationeret)
2. You are employed in Denmark, but have your address in your home country. (Grænsegænger)
3. You have both an address and a contract in Denmark

Unless you are a Posted Worker (point 1), then you need to make sure that you get the following things as soon as possible:

Health card (yellow card): https://lifeindenmark.borger.dk/healthcare/health-insurance/health-insurance-card.

MitID https://www.mitid.dk/en-gb/help/?language=en-gb.

E-box https://lifeindenmark.borger.dk/apps-and-digital-services/Digital-Post.

If you live in the Greater Copenhagen area you can find good help here: https://ihcph.kk.dk.

Job search in Denmark: https://www.workindenmark.dk.

If you are a member of 3F-BJMF then you can also get advice from our staff.