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Making the future, better.

As a trailblazing, leading tech company in radio frequency and x-ray technology, we make a growing contribution to a safer and more secure, more efficient and sustainable world of manufacturing, communication and mobility.

For our customers in the electronics & semiconductor, automotive, aerospace and security industries, we add value with innovative products and data-based services. Realigned, we are on our way to a digital future where we rapidly and reliably deliver what customers need and enable the wise use of limited resources.

Who we are

RF Power supply

... for controlling plasma processes

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X-Ray Modules

... for non-destructive testing and security inspection

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X-ray and CT Systems

... designed to support all your industrial inspection needs

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Discover what we do

We are a Swiss company with global markets

Comet with annual sales of CHF 445,4 million (2024), is based in Flamatt, Switzerland, and has a presence in all world markets. The Group employs more than 1,800 people worldwide, including more than 500 in Switzerland.

It operates production facilities in China, Denmark, Germany, Switzerland, the USA, Malaysia and maintains other subsidiaries in the USA, Canada, China, Taiwan, Japan and Korea. Comet’s stock (COTN) is listed on the SIX Swiss Exchange.

Our locations
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We have with us talented people who like to get involved, make a difference and explore new territories.

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Henry Song, Shanghai

"It's a real pleasure working with so many talented people around the globe."
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Sabrina Hostettler, Flamatt

"Comet addresses my needs individually and offers me a varied job that brings me into contact with many different people."
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Could this be you?

"We are looking for ambitious and passionate people who want to make a difference. Could this be you?"
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Latest news

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60 years of RF innovation at Comet: Built on experience, driven by curiosity.

calendar icon December 18, 2025
Comet’s journey in advanced technologies spans more than 75 years, beginning with X-ray sources in 1948. Since then, we’ve continuously expanded our expertise, adapting to new challenges and driving technological progress. This year, we celebrate 60 years of radio frequency (RF) innovations – a legacy that has shaped both our company and the semiconductor industry. How did a small Swiss laboratory spark this long-standing impact?
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Our 2025 commitments: Creating impact worldwide.

calendar icon December 17, 2025
Innovation at Comet goes beyond technology. In 2025, our employees across the globe joined forces to support causes that matter – from education and sustainability to diversity and inclusion. Here’s a glimpse at the difference we made.
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Neethu and Ennio: Comet’s 20 Under 30 winners at Semicon Europa 2025

calendar icon December 11, 2025
Two of Comet’s rising stars, Neethu and Ennio, have been recognized as 2025 Semicon Europa 20 Under 30 winners. Their curiosity, dedication, and innovative thinking are already shaping the future of semiconductors and inspiring the next generation of engineers. As proud sponsors of the award, we celebrate young professionals who are making a real impact in the industry. Discover their journeys, achievements, and insights in their own words below.
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