Certified customer directory
Audit Attestation Letters :
- CertSIGN :
- Certigna :
- 23-1804 – CAB-Forum – Audit Attestation Letter Standard V3.0_Certigna
- 23-1804 – CAB-Forum – Audit Attestation Letter TLS-EV V3_Certigna
- 23-1804 – CAB-Forum – Audit Attestation Letter TLS-BR V3_Certigna
- 23-1804 – CAB-Forum – Audit Attestation Letter SMIME-BR V3_Certigna
- 23-1804 – CAB-Forum – Audit Attestation Letter CS-BR V3_Certigna
- Dhimyotis
- E-Tugra
- Zetes
Reminder: we do not issue electronic signature certificates. Please contact a PSCe specialized in electronic signatures to obtain one.
Why Choose LSTI?
Recognized expertise
With more than twenty years of experience, LSTI supports more than 300 organizations in France and across Europe as a certification body and leading assessment center, operating in the fields of cybersecurity, digital trust, and information security.
Specialized Auditors
Our audit teams are composed of experienced professionals who are well-versed in ANSSI’s cybersecurity standards, information security management practices, and European digital trust frameworks. Their approach ensures rigorous, balanced assessments that are tailored to each organization’s operational context.
Independent Third Party and Dedicated Support
Accredited by ANSSI, LSTI ensures impartiality, transparency, and consistency throughout the entire process: preparation, audits, monitoring, and renewals. A dedicated point of contact ensures continuity and clarity throughout the certification process.