A strong SIF means little if the management system behind it is weak

Audits ask for evidence — policy, competence, change control and proof-test discipline — not only a PFDavg number.

Download the free Starter pack for the lifecycle document map.

Members get the Professional pack: full manual, case studies, workbooks and audit programme.

Implementation resources for controlled adoption within your organisation’s FSMS. Review and approve them through your governance process.

SILProof is an engineering-support tool. Results require independent engineering review against the applicable edition of IEC 61508, IEC 61511, project procedures and competent judgement. SILProof is not a certificate, independent assessment or standards approval.