AV Preservation by reto.ch

If it’s not awesome, we don’t do it.


Création de la serpentine

A stencil-coloured print of
Création de la Serpentine by Segundo de Chomón,
Pathé Frères, France 1908
(Courtesy by Österreichisches Filmmuseum, the Austrian Film Museum)


Please note that currently we telework as much as possible, and email is the fastest and most effective way to reach us.


We are a small, highly skilled moving image conservation and restoration facility based in Switzerland. Our team provides worldwide comprehensive services that encompass the whole range of audio-visual preservation, offering Swiss quality at a competitive price. We have a particular commitment to the dissemination of audio-visual conservation and restoration techniques, and we support open-source projects which we believe are beneficial for the archival community. We are actively engaged in a number of relevant national and international professional bodies. We are running the Swiss Film and Video Directory.

Our Services Include

  • film digitisation for both preservation and access purposes
  • moving image and sound restoration
  • files and data transformation, migration and maintenance
  • digital archiving service
  • consultancy, training and research on audio-visual preservation issues


  • Bash Scripting for Audio-Visual Preservation, webinar hosted by AMIA, on 25 and 27 January and 1, 3, 8, 10, 15, 17 and 22 February 2022 [en]
  • Bayer-Filter Sensors and Beyond at the 2022 FIAF Congress Symposium in Budapest, Hungary, on 24–29 April 2022 [en]
  • Open-Source Tools and Resources for Audio-Visual Archives at Elías Querejeta Zine Eskola in Donostia (San Sebastián), Spain, from 10 to 13 May 2022 [en]
  • Open-Source Tools Workshop at Hochschule der Künste Bern, from 31 Mai to 3 June 2022 [de]
  • When Laboratory Mistakes Become Art at “Counter-Archives” (= “Orphan Film Symposium”) at Concordia University in Tiohtià:ke/Montréal, Canada, from 15 to 18 June 2022 [en]
  • Programming Look-up Tables for Historic Film Stocks in Summer 2022 [en]
  • COBOL Essentials in Summer or Autumn 2022 [en]

Patronage of the Arts and the Sciences

  • AMIA, the Association of Moving Image Archivists
  • FIAF, the International Federation of Film Archives
  • IASA, the International Association of Sound and Audiovisual Archives
  • SEAPAVAA, the Southeast Asia-Pacific Audiovisual Archive Association
  • The No Time to Wait conference