SNI certification lead time depends on so many factors. The main factor that significantly involves lead time is the availability of supporting-documents. So, before starting the process, we need to make sure that all documents (both technical and administration documents) have been completed.
In the average case, the lead time is around 3 – 5 months, including document completion, factory inspection, testing, until certificate issuance. And to give you reference toward the process, below we enclosed flow chart of both SNI certification type 1B and 5.