The following institutions collaborate with the Rathgen-Forschungslabor in the field of restoration and conservation science:

ICCROM, International Centre for the Study of the Preservation and Restoration of Cultural Property

ICOMOS, Internationaler Rat für Denkmalpflege

IIC, International Institute for Conservation of Historic and Artistic Works

ICOM-CC, International Council of Museums – Committee for Conservation

Since 2008 the Rathgen-Forschungslabor has been a member of the 'Pelican Group', a network of institutes specializing in conservation and conservation science that was first established in Berlin. In addition to the Rathgen-Forschungslabor, the following institutions belong to the group:

Centre de Recherche et de Restauration des Musées de France, Paris, Frankreich

Canadian Conservation Institute / Institut canadien de conservation, Ottawa, Kanada

Centre de Recherche sur la Conservation des Collections, Paris, Frankreich  

Conservation Centre of the National Museum of China, Peking, China  

Conservation Department, National Gallery of Art, Landover, Maryland, USA  

Department of Conservation, Documentation and Science, The British Museum, London, UK  

Rijksdienst voor het Cultureel Erfgoed, Amersfoort, Niederlande  

KIK/IRPA, Royal Institute for Cultural Heritage, Brüssel, Belgien  

Laboratoire de Recherche des Monuments Historiques, Champs-sur-Marne, Frankreich  

Laboratorio de Análisis, Area de Restauración, Museo Nacional del Prado, Madrid, Spanien  

Laboratory of Non-Destructive Analysis and Research of Historic Objects, National Museum Kraków, Polen  

Museum Conservation Institute, Smithsonian Institution, Suitland, Maryland, USA  

RCCCR, Research Center for Conservation of Cultural Relics, Teheran, Iran