Sealsq is a cash-rich, PQC-first security silicon and trust-services specialist betting on the mandatory “Q‑Day” cryptography upgrade—if it executes certifications before dilution and giants catch up.
Overview
Sealsq Corp (LAES) is a focused semiconductor and cybersecurity company positioned as a high-conviction play on the global migration to post-quantum cryptography, when quantum computing is expected to break today’s RSA/ECC standards. Headquartered in Switzerland (with a BVI holding structure) and spun out of WISeKey in May 2023, Sealsq operates a fabless model designing secure elements, PQC-ready microcontrollers, and trust services for IoT, industrial, automotive, and government customers. Revenue is organized into Hardware (secure elements/microcontrollers), Trust Services (managed PKI/provisioning), and Custom Design (ASIC/QASIC services). FY2025 showed a clear growth inflection: audited revenue rose 66% YoY to $18.3M, driven by renewed VaultIC demand and partial-year consolidation of IC’ALPS. Despite this, Sealsq posted a large operating loss (~$39.8M) due to heavy R&D and G&A investment and an $11.2M non-cash stock-comp charge. The balance sheet is unusually strong for the category, with >$525M cash and short-term investments by March 2026, enabling a long runway to fund certification, product ramp, and potential acquisitions, while dilution/warrants remain a major overhang.