About Us

Congress Service Ltd.

Congress Service Ltd. was established in 1998 with its main activity – providing technical assistance in international congresses, seminars, as well as other events with simultaneous interpretation, sound, video and presentation systems on the territory of the Republic of Bulgaria and abroad.

The technical equipment is of a high standard and complies with the international requirements and standards of the EU. This gives the opportunity to provide a wide range of services, which include:

  • BOSCH digital and infrared interpreter systems up to 32 channels
  • Provision of simultaneous and consecutive interpreters
  • BOSCH digital and analog microphone interpreters systems
  • ISO 4043 double and triple interpreters booths
  • Tour guide system for interpretation on the move and outdoors
  • JBL, DYNACORD sound systems
  • Wired and Wireless Microphones SHURE, SENNHEISER, AKG
  • Video equipment SONY, PANASONIC
  • PANASONIC Multimedia Projectors, HITACHI
  • STUMPFL mobile screens
  • Video walls
  • CLIKAPAD Interactive Voting Systems
  • Computer systems and office equipment
  • Constructions, lighting, event stages
  • Private Transport


Since 2006 CONGRESS SERVICE LTD is certified by

ISO 9001: 2008, and from 2018 to ISO 9001: 2015

The team, providing the technical servicing, consists of highly qualified audio and video engineers, technicians, IT experts and assistants.

The Company services around 800 events a year.

Congress Service Ltd. is represented and managed by Mr. Krasimir Nenchev and Mrs. Zlatka Kostova.


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