Today Sweden is facing a significant shortage of highly educated labour force, which is recognized by various companies and which can have adverse consequences on the firms as well as the country as a whole. One of the solutions to this problem is identified to be highly skilled migrants (HSMs). Thus the purpose of this thesis is to research the impact that HSMs have on Swedish companies. By carrying out a qualitative research approach, a deeper understanding of the influences of HSMs on the internationalisation and the organisational innovation is gained, while the chosen abductive method allows exploring the subject by taking into consideration the real life issue as well as the related theories at the same time. The theoretical framework aids to build a foundation for this thesis regarding the relevant theories, including the bottom-up organisational design, the brain gain, RBV theory, internationalisation models and organisational innovation processes. This helps to construct a theoretical model which presents a theoretical answer to the research questions of the thesis. Thus the theoretical model helps to analyse the empirical data gathered from the interviews with five representatives of different Swedish companies. The cross-referencing of the cases helps to find the similarities and differences of the impact of HSMs in these companies. This is followed by the conclusions based on the analysis chapter. The main theoretical implications include the findings that the market and cultural knowledge seem to be the most important assets that HSMs bring, which, together with different educational backgrounds, technological competencies and networks, aid the internationalisation of the companies that can be understood through the Network and Born Global models. Furthermore, it is found that the new perspectives of HSMs encourage the organisational innovation through the increased tacit knowledge inside the organisations. Moreover, the managerial implications include recognising of the importance of HSMs for the Swedish companies and thus seeking a more international workforce, empowering the employees and being able to exploit the resources that they bring, while at the same time managing the cultural clashes that might occur. Therefore, this thesis helps to build a foundation for viewing HSMs a solution to Sweden’s problem of the lack of highly skilled workers.