BIS Certification

How to Prepare for a BIS Factory Audit (Inspector’s View)

What BIS officers actually check, what they ignore, and what a credible factory looks like from the auditor’s side of the table.

RP Singh · Founder, BMS Scientific Services 9 October 2025 7 min read

Most factory audit failures aren’t technical. They’re organisational. The factory has the capability — but can’t show it. Here’s how to prepare so that capability becomes obvious.

Day-of checklist

  • Receive officer at the gate — a senior person, not a security guard
  • Quality manual on the desk, current revision, signed
  • In-house lab equipment switched on, last-calibrated dates within 6 months
  • Last 6 months of QC test records, printed and indexed
  • Raw material inward register, traceable to suppliers
  • Production records reconciling to the QC records

What officers actually look for

They look for the gap between what the application claims and what the factory does on a normal Tuesday. Discrepancies between the two are the single biggest audit risk.

How BMS supports the audit

  • Mock audit 10–15 days before
  • On-site consultant on audit day
  • Pre-audit reconciliation of application vs floor
  • Post-audit query handling on the spot
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