The construction industry in Sweden is growing steadily. This requires more professionalworkers. The supply of Swedish labor is not sufficient, and this results in Swedishconstruction companies bringing in labor from abroad. Existing studies show possible linksbetween foreign workforce and increased number of occupational accidents around the world.Many researchers present conclusions similar to each other’s. Cultural differences areidentified as a possible reason why the foreign workers are more exposed to risks at aconstruction site.The purpose of this thesis is to investigate and define problems in the form of safetydeficiencies that may arise at a construction site where foreign labor is involved. The purposeof the study is to investigate from the perspective of the polish professional workers.Abrahamsson & Eckerberg justify in their study, the importance of a further research from theperspective of the professional workers.Qualitative method was used to obtain the empirical material for this study. The essayconcludes challenges that polish professional workers can pose for the management whichare: lack of language skills from the supervisor, lack of language skills from the professionalworkers, insufficient safety follow-ups, poor attitude to safety instructions from Polishprofessional workers, industry experience from another country with a different work culture,insufficient signing at the workplace and fear of telling management when something iswrong at the workplace. The essay also concludes how polish professional workers perceivessafety instruction and how to supply those in an efficient way. The author presentssuggestions on measures to address these challenges.