Planar4 GmbH
Data & Analytics · Stäfa, Zurich
Planar4 GmbH is a Swiss data & analytics company based in Stäfa, Canton of Zurich, listed in the Swiss commercial register since 2017 (UID CHE-317.382.148).
Board members & signatories
- Dr. Evelyn Wolfram-Schilling — Geschäftsführer
- Dr. Stefan Weiss — Geschäftsführer
- Stephan Schilling — Vorsitzender der Geschäftsführung
Registered purpose
Der Zweck der Gesellschaft ist die Entwicklung und der Vertrieb im In- und Ausland von bioanalytischen, pharmazeutischen, nahrungsergänzenden, landwirtschaftlich nutzbaren, kosmetischen und weiteren wirksamen Spezialitäten für Hygiene, Umweltschutz, Gesundheit und Wohlbefinden; ebenso Testsysteme, Testmethoden, Geräte und Verbrauchsmittel für die Messung von erwünschten oder unerwünschten Effekten…
Source: Swiss commercial register (Zefix / SOGC) and Alpintel analysis · Data as of March 2026
What Planar4 does
OFFERING
Planar4 GmbH provides a range of services and products focused on bioautography and effect-directed analysis. Their offerings include the Planar Yeast Estrogen Screen (pYES) for detecting endocrine disruptors, enzyme inhibition assays for active development and toxicological assessment, and various microbial and mammalian cell assays for toxicological effects. They also offer a Planar Yes Testkit for laboratories to perform planar testing and an online analytics service for result interpretation.
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