This thesis is completed in cooperation with Oma Säästöpankki Oyj offices in Ilmajoki and Kurikka in Finland, and Rabobank Group offices in Reusel and Bergeijk in the Netherlands. The purpose of this thesis is to research customer service, satisfaction and future outlooks of customers by customer questionnaire between Finnish and Dutch offices. In the questionnaire customers of banks are asked general information, use of services, satisfaction and future outlooks of banking. Thesis includes theoretical and empirical part. Contents related to the research are processed in theory and research itself is dealt with in empirical part. Research method was embedded mixed method, in which both quantitative and qualitative research was used. Questionnaires were implemented in Finland by paper and in the Netherlands as online questionnaire. Dutch questionnaire was analysed using Google Forms and Finnish survey analysed by Microsoft Excel. By the received results from questionnaires and interviews, analysis was implemented from which possible development aspects and ideas are available for banks for further use. Research was implemented as mixed method research, using both qualitative and quantitative methods. Questionnaires were sent by email and social media in the Netherlands, and manually in paper in offices of Ilmajoki and Kurikka in Finland. Questionnaire received 46 responses in Finland and 36 in the Netherlands. Results showed that customers of the banks were mostly satisfied on services and stated concerns of the future of banking. Some development ideas were pointed out from the questionnaires, in Finland multiplying ATM’s and increasing personal service in the Netherlands. ; Opinnäytetyöni on tehty yhteistyössä Oma Säästöpankki Oyj Ilmajoen ja Kurikan konttoreiden kanssa Suomessa sekä Rabobank Reusel ja Bergeijk konttoreiden kanssa Alankomaissa. Opinnäytetyöni tarkoituksena on tutkia asiakaskyselyn kautta mahdollisia yhteneväisyyksiä ja eroavaisuuksia OmaSp ja Rabobankin konttoreiden välillä. Tutkimuksessa ...