Quality & Authentication

J. B. Fowler has held ISO 9001 certification since 1982, one of the first specialist printers in the sector to achieve it. The certification covers all three service lines and is maintained through annual surveillance audits by an accredited certification body.

Spectrophotometer calibration in progress. Every print run is verified at start, middle, and end against CIE L*a*b* reference values. Delta E tolerances are enforced at 2.0 or below across the entire run.

Three-Stage Quality Assurance Framework

Pre-Production

Client specification review, material sourcing verification against mill certificates, reference standard calibration, substrate batch testing.

In-Process

Spectrophotometer colour measurement at defined intervals (as pictured above), substrate consistency checks, binding and finishing inspection, real-time deviation logging with defined rejection thresholds.

Post-Production

Final colour verification against reference standard, condition documentation for every unit, chain of custody initialisation, authentication marker verification.

Chain of Custody

Chain of custody is embedded in standard operating procedure and applies to all client materials regardless of sensitivity classification. The chain records what the material is, its origin, who received it and when, where it was stored, who accessed it and for what purpose, and full transfer history. For restricted materials, dual-signatory verification is required at every transfer point.

Authentication Markers

Authentication markers are embedded in every production run. The marker technology is proprietary and disclosed only to institutional clients under non-disclosure agreement. Markers are verified during post-production quality assurance and documented in the production record.

Certifications & Standards