SEALSQ invests in WISeSat.Space to expand satellite constellation

GENEVA - SEALSQ Corp (NASDAQ:LAES), a semiconductor and post-quantum technology company with a market capitalization of $485 million and a strong liquidity position, announced Monday a strategic investment in WISeSat.Space, a satellite technology venture of its parent company WISeKey International Holding Ltd (NASDAQ:WKEY). According to InvestingPro data, SEALSQ maintains a healthy current ratio of 6.0, with liquid assets well exceeding short-term obligations.

The investment aims to expand WISeSat’s Low Earth Orbit (LEO) satellite constellation and accelerate commercialization of its post-quantum-ready space technology, according to a company press release. While SEALSQ’s revenue stood at $11 million in the last twelve months, InvestingPro analysts forecast significant sales growth for the current year, suggesting potential upside from this strategic move.

The announcement follows WISeSat.Space’s strategic partnership with Bulgarian space technology firm EnduroSat, adding to previous collaborations with companies from Spain, Switzerland, India, and the United States.

WISeSat.Space’s constellation currently consists of 21 LEO satellites orbiting at altitudes between 500-600 km, completing full orbits in approximately 90 minutes at speeds of 7.8 km/s. The system provides more than 10 daily data transmission windows for near-global coverage.

"Securing satellite communications is a complex challenge, especially for long-duration devices with limited physical access," said Carlos Moreira, CEO of SEALSQ. "Traditional cryptographic methods are no longer sustainable in the age of quantum computing."

WISeSat.Space integrates Post-Quantum Cryptography into both software and hardware layers of its satellites, with SEALSQ-developed secure elements embedded directly into onboard satellite systems. This architecture enables cryptographic separation, hardware-based key storage, and resilient over-the-air updates.

The company is currently testing advanced applications, including device-to-device post-quantum communication, with plans to enable direct satellite connections for mobile phones.

The investment follows other quantum-focused transactions in the space sector, including IONQ’s acquisition of Capella Space, as companies work to secure the future of space communications.

In other recent news, SEALSQ Corp has completed the cryptographic toolbox validation for its QS7001 post-quantum hardware platform. This development marks a significant milestone as the company moves towards formal Common Criteria EAL5+ certification with Serma labs, making the platform available to early adopters. Additionally, SEALSQ announced a $60 million share offering, which involves selling 15 million ordinary shares with accompanying warrants to purchase up to 30 million additional shares. The shares are priced at $4.00 each, representing a 10% premium to the company’s closing stock price on July 11. The investment, led by Heights Capital Management, Inc., aims to secure gross proceeds of $60 million. SEALSQ has also begun deploying its GSMA-accredited eUICC technology with telecommunications operators worldwide. This technology incorporates post-quantum cryptographic security features, targeting mobile phones, IoT devices, and connected infrastructure. These developments reflect SEALSQ’s ongoing efforts to enhance its post-quantum security solutions and expand its market presence.

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