Perfection in optics.

The Zünd Group is a globally recognized leader and center of excellence for challenging planar optics and coatings of highest quality standards. Customers from all over the world and from a wide range of industries are supplied from our state-of-the-art production site in Switzerland. Zünd covers the entire value chain, from optical contact bonding, grinding, lapping, polishing, faceting, and coating to kitting and assembling modules. Thanks to many years of expertise, we support our customers throughout all stages of product life cycles – from engineering to serial production.

The products.

Our team of 65 employees develops and produces client specific, plano optical components. Our service offerings range from the production of complex, optical modules to high tech coatings of various different types of substrates and shapes.


Our apprentice – best of the year.

Nico Kirchner – We are proud of you! Our company congratulates Nico on this great achievement.

Rainer Trittenbach becomes new CEO of Zünd Group from May 2022

The Board of Directors has succeeded in strengthening the management of Zünd Group with Rainer Trittenbach, a highly experienced manager who is well-connected in the optics industry. René Zünd and Gerhard Klauser, who are currently leading the Group ad interim as Co-CEOs will remain with the company as members of the Board of Directors. CTO […]

Dear customers, suppliers & employees

Together with you, we have experienced extraordinary and challenging months and weeks, which have demanded a lot of flexibility and a completely new awareness from you. But let’s not stick our heads in the sand! Let us think positively and master this challenge together! Especially now in this special time we would like to use […]

We are certified.

Our top priority is to offer first-class customer experience – including unmatched standards in product quality, adherence to schedules, and professional expertise. We audit and improve our processes constantly. Today, Zünd as well as Optivac are ISO 9001:2015 certified.

Your contacts.

Rainer Trittenbach

Andreas Dauerer
CTO and Head of Production

Contact us.

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