SOUND AND VISUAL – KONSTANTINOS A. PAPATHANASSIOU is one of the biggest companies doing business in the area of support for conferences and related events in Greece. Beginning in 1978, we have provided services for recording and publishing proceedings and we offer integrated technical solutions that cover the whole spectrum of technical needs for conferences, corporate events, seminars or any other event you may wish to organise. Our aim is to provide the tools and infrastructure that will allow you to hold a successful event precisely as you have planned it, no matter how demanding or specialised its specifications are. That is why we are constantly researching the new means provided by technology and are investing in the most up-to-date audiovisual equipment so that we can provide you with tools that are modern and effective. But our biggest advantage over the competition and our biggest investment is our human resources. Our fully trained staff consists of experienced professionals specialised in all fields, with excellent knowledge of their areas of expertise. Speed, reliability and accountability have been features of our company ever since it started up, and have received constant praise, for over 30 years, from our clients, which include organisations in the public and private sector. The quality of our services as well as the more general operation of our company have been certified since 2008 by the ISO 9001:2008 International Standard.