SEALSQ Corp announced a strategic investment in EeroQ, a U.S. quantum‑processor startup that traps single electrons on superfluid helium. The deal is part of SEALSQ’s “Quantum Made in USA” strategy to build a sovereign quantum‑hardware ecosystem in the United States and Europe.
The investment amount was not disclosed, but SEALSQ has committed up to $35 million to quantum startups under the initiative. EeroQ, founded in 2017, has raised $13.6 million to date, including a $7.25 million seed round led by B Capital’s Ascent Fund in 2022. The partnership gives EeroQ access to SEALSQ’s post‑quantum semiconductor expertise and secure‑chip manufacturing capabilities, while SEALSQ expands beyond post‑quantum cryptography into quantum‑computing hardware.
EeroQ’s technology traps single electrons on superfluid helium, enabling a CMOS‑compatible, ultra‑compact architecture that operates at temperatures above 1 K, reducing cooling costs. The company has demonstrated control of single electrons in a Physical Review X paper and developed microwave resonators for faster qubit readout. Analysts view the helium‑based approach as a potential competitive advantage in speed, energy efficiency, and integration with existing semiconductor processes.
SEALSQ’s FY 2024 revenue fell to $11 million from $30 million in FY 2023 as the company shifts resources toward quantum‑resistant chips. Despite the decline, SEALSQ maintains a strong cash position of over $90 million and a projected $93 million contract pipeline over the next three years. The investment signals confidence in EeroQ’s technology and supports SEALSQ’s goal of launching a sovereign quantum computer by 2030.
CEO Carlos Moreira said the partnership “is a key step in SEALSQ’s ‘Quantum Made in USA’ strategy, aligning EeroQ’s breakthrough chip technology with SEALSQ’s secure semiconductor expertise to accelerate the development of sovereign, secure, and industrially viable quantum systems.” Co‑founder Nick Farina added that EeroQ’s devices are “extremely compact with far fewer moving parts, allowing us to scale faster and more efficiently.”
The announcement underscores SEALSQ’s broader strategy to diversify revenue streams and strengthen its position in the emerging quantum‑security market, positioning the company to capture a share of the growing demand for quantum‑resistant and quantum‑computing solutions.
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