Stelau Conseil

Stelau is a cybersecurity consultancy working with security leaders and executive teams on the design, assessment, certification and development of secure digital services. Its experts, auditors and developers support clients facing complex technical and regulatory requirements, with particular experience in digital identity, identity and access management, single sign-on, cryptography and electronic trust services.

The company provides cybersecurity consulting and expertise, including compliance support and preparation for product or service certification. Its audit work covers frameworks such as eIDAS, ISO/IEC 27001 and PASSI; Stelau is also accredited by France’s ANSSI as a PVID evaluator. For software and service projects, it integrates security from the design stage and offers secure development support.

Stelau’s client work includes assistance with eIDAS and French RGS trust-service qualifications, security certification and European peer reviews for France Identité, and development of digital identity tools. These include an electronic-signature solution, an Android SDK for reading ISO 18013-5 credentials, and a web-based verifier. The firm also supports technical documentation, internal audits, training and ongoing preparation for regulatory assessments.