Themistoclea

Themistoclea is a leader in safety, security, and dependability assessment of digital systems. We specialise in high-assurance industries, in particular, nuclear energy. We provide expert consulting, policy development, and cutting-edge research to ensure the reliability and trustworthiness of critical digital infrastructure. Our expertise spans assurance of AI, risk assessment, assessment of digital systems and safety justification, helping organisations navigate complex regulatory and technical challenges. With internationally recognised leadership in AI governance, I&C architectures, and digital system trustworthiness, we support industry and regulatory bodies—including contributions to IAEA initiatives —in driving innovation, compliance, and good practices in system dependability and assurance.