Swiss company considers Arizona, California for quantum chip center

Article originally posted on Phoenix Business Journal on October 27, 2025

A Swiss company is evaluating Arizona as a potential location for a new facility to embed quantum-resistant cryptographic keys into semiconductor chips. But after saying last year that the Valley would be the site of its U.S. headquarters, the company has widened its search.

SEALSQ Corp. (Nasdaq: LAES) said this week that it’s considering both Arizona and California to locate its newest post-quantum personalization center as part of its U.S. expansion strategy.

SEALSQ will decide in the coming months where it will establish the new facility, which is dedicated to securing chips for defense, Internet of Things and aerospace applications, according to the company.

The company’s decision will depend primarily on availability and readiness of the land for the facility, access to talent, infrastructure, proximity to innovation ecosystems and support from local officials, said Lena Cati, senior vice president of The Equity Group Inc., which oversees investor relations for SEALSQ.

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