SEALSQ is a fabless semiconductor company that designs post-quantum cryptography microcontrollers and digital trust infrastructure, outsourcing manufacturing to third-party foundries. The company generates revenue from secure chip design and sales, cloud-based certificate and public key infrastructure services, and custom ASIC design services. SEALSQ serves high-security applications across smart homes, automotive, IoT, critical infrastructure, healthcare, and defense by providing an integrated portfolio that combines quantum-resistant microcontrollers, secure elements, PKI platforms, and personalization services certified to international security standards.