Planning and technical support for conferences and events & Conference Proceedings

The Company

Ever since it was established in 1978, SOUND & VISUAL – KONSTANTINOS A. PAPATHANASSIOU S.A. has been providing integrated, high-quality services in the area of managing proceedings and organizing conferences, seminars and corporate events, and other related services.

Our company’s goal has always been and still is to provide vertically integrated, innovative, personalized services, with professionalism, know-how and efficiency.
The quality of the work we perform has been attested to by our long-term collaboration with our clients, among them public- and private-sector organisations, advertising companies, manufacturing companies, associations, institutions and others.
In order to assure the quality of its services, our company has been certified according to ISO 9001/2008 International Standard.

Our Goal

Our goal is to offer you reliable, integrated services, with flexibility and professionalism. Together with our clients, we form a team with the common goal of maximizing the success of your event.



Every one of our departments is made up of highly trained professionals who work closely with you, our clients, towards the common goal of complete success for your events.


Human Resources

Having been active in this field for over 30 years, the members of the Sound & Visual team are knowledgeable, experienced and highly skilled.


Certified Quality

In order to ensure an effective system of organisation, management and operation, along with quality management of the services it provides, since 2008 our company has been certified to ISO 9001/2008 International Standard.


The PRG Alliance is the leading international network of companies that work together to provide access to the highest quality technology and event production services, offering them comprehensive support customers worldwide with main objective is the budget for each event to be dedicated to the largest percentage of the equipment It will be used instead to transport costs.