LEYHAUSEN is one of the leading providers of global field services since 1996. Our state-of-the-art facilities, offices and call centers in Germany, UK, France, Italy, Spain, Middle East, India and Africa enable us to efficiently manage data collection projects of any size and scope anywhere in the world. Our global field services include all means of quantitative and qualitative research methodologies. Our highly-trained and experienced staff helps to ensure an efficient and smooth running of your studies.