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)


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
  • research, training and consultancy on audio-visual preservation issues


  • De-Mystifying LTO or: LTO for the Masses, together with Linda Tadic and Larry Blake, at the AMIA Conference in Pittsburgh, Pennsylvania, United States of America, on 7–9 December 2022 [en]
  • Automatisierung von FFmpeg mit Bash, Memoriav Workshop, at Lichtspiel in Bern on 12 January 2023 [de]
  • Automatisation de FFmpeg avec Bash, Memoriav Workshop, at Lichtspiel in Bern on 13 January 2023 [fr]
  • Qualitätskontrolle von audiovisuellen Dateien, Memoriav Workshop, at Lichtspiel in Bern on 26 January 2023 [de]
  • Contrôle qualité des fichiers audiovisuels, Memoriav Workshop, at Lichtspiel in Bern on 27 January 2023 [fr]
  • The Green Archive: Sustainability in Digitisation and Long-Term Archiving, FIAF Workshop, online, on 30 March 2023 [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]
  • FFmpeg-Workshop at Hochschule der Künste Bern, on 23 May 2023 [de]
  • Medienkunst: Technologie und Erhaltungsstrategien III at the Akademie der bildenden Künste in Vienna, Austria, on 14–15 June 2023 [de]
  • Using FFmpeg in a Film Archive. Advanced Level, FIAF Workshop, online, on 29 June 2023 [en]
  • Filmkonservierung und -restaurierung at Hochschule der Künste Bern, in Autumn 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 at Beeld en Geluid in Den Haag, Netherlands