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 we still telework as much as possible. 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


  • The MovIm Video Codec in Practice, on 2 September 2022 [en]
  • Programming Look-up Tables for Historic Film Stocks, on 8–9 September 2022 [en]
  • COBOL Essentials, on 22–23 September 2022 [en]
  • Bayer-Filter Sensors and Beyond at the IASA Annual Conference in Mexico on 26–29 September 2022 [en]
  • On the Materiality of the Audio-Visual Heritage at the Elías Querejeta Zine Eskola in Donostia (San Sebastián), Spain, on 4–7 October and 25 November 2022 [en]
  • Using FFmpeg in a Film Archive, FIAF Workshop, online, on 24 November 2022 [en]
  • The Green Archive: Sustainability in Digitisation and Long-Term Archiving, FIAF Workshop, online, on 15 December 2022 [en]
  • Open-Source Tools and Resources for Audio-Visual Archives at Elías Querejeta Zine Eskola in Donostia (San Sebastián), on 16–19 May 2023 [en]
  • Medienkunst: Technologie und Erhaltungsstrategien III at the Akademie der bildenden Künste in Vienna, Austria, during the Summer Semester 2023 [de]

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 6th International Conference Colour in Film, on 25–28 September 2022 at the Lichtspiel / Kinemathek Bern
  • Transparency, Teaching & Trust (= No Time to Wait 6) on 26–28 October 2022 in Den Haag, Netherlands