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 highly skilled moving image conservation and restoration company, partly operating at the Lichtspiel in Bern, 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 low-technology and low-energy audio-visual conservation and restoration techniques. We support open-source projects which we believe are beneficial for the archival community. We are running the Swiss Film and Video Directory.

Our Services Include

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


  • Combining Judeo-German and a Judeo-Italian Dialect, online for the “Literary Judeo-Italian” course by Marilena Colasuonno at Oxford School of Rare Jewish Languages, on 24 June 2024 [en]
  • Deep machine learning applied to moving image restoration at No Time to Wait 8 at the Zentrum für Kunst und Medien in Karlsruhe, Germany, from 11 to 13 of September 2024 [en]
  • On the Materiality of the Audio-Visual Heritage at the Elías Querejeta Zine Eskola in Donostia (San Sebastián), Spain, from 14 to 18 October 2024 [en]
  • The Green Archive, FIAF Commissions’ Thursday Online Workshops, online, planned initially for 30 March 2023, then for 4 April 2024 and now on 14 November 2024 [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
  • No Time to Wait 8 at the Zentrum für Kunst und Medien in Karlsruhe, Germany, from 11 to 13 of September 2024