Astrea assisted a UK based construction company that will build a data center in Belgium about the mandatory social security and employment requirements when managing construction projects and construction sites. The client was advised on LIMOSA, A1 documents, work permits and residence permits, well-being at the work place, social security and tax debts, withholding obligations, minimum wages, electronic registration of the presences of workers (checkinatwork), declaration of a construction sites. Posting agreements and employment contract for local hires were also drafted.