Certification

Certification commonly refers to a formal, documented recognition that a person, process, product, or system meets defined requirements set by a recognized body, standard, or scheme. In industrial and regulated manufacturing environments, the term is used in several specific ways that should be kept distinct.

Core meaning in industrial and regulated environments

In this context, certification usually involves:

• A set of defined requirements or criteria (for example, a published standard, specification, or qualification plan)
• An assessment or evaluation activity (such as an audit, inspection, or test program)
• Issuance of a formal record (for example, a certificate, attestation, or report) stating that the requirements have been met at a specific point in time

Certification is typically supported by documented evidence and controlled records so that organizations can demonstrate the basis for the certified status during audits or customer reviews.

Common types of certification in manufacturing

• Management system certification
  Formal recognition that an organization’s management system conforms to a standard, such as a quality management system aligned with ISO 9001 or an aerospace quality framework. This is usually based on periodic third-party audits and results in a certificate valid for a defined period.
• Product or part certification
  Verification that a specific product, batch, or configuration meets technical and regulatory requirements. Examples include airworthiness certification in aerospace or conformity declarations in other regulated sectors. This often relies on test results, inspection records, and traceability data.
• Process or equipment certification
  Confirmation that a manufacturing process, production line, or piece of equipment is qualified to produce parts within defined limits. This may involve capability studies, validation protocols, or initial sample inspections, with results captured in quality and MES systems.
• Personnel certification
  Recognition that an individual has met defined competency, training, or licensing criteria for a role (for example, certified welders, NDT inspectors, or specific OT/IT roles). These certifications are often tracked in HR, training, or LMS systems and may be referenced in work instructions or routing approvals.
• Supplier or site certification
  Approval of external suppliers, subcontractors, or manufacturing sites against customer or regulatory requirements. This may include on-site audits, capability reviews, and ongoing monitoring, with status maintained in supplier management systems.

How certification appears in operations and systems

Within OT, MES, ERP, and quality systems, certification typically shows up as:

• Controlled documents such as certificates of conformity (CoC), certificates of analysis (CoA), calibration certificates, or release certifications attached to lots, work orders, or serial numbers
• Master data fields that indicate the certified status of a supplier, material, tool, or process step, often affecting whether it can be used in a given operation
• Training and qualification records that show which operators or inspectors hold the required certifications for specific tasks
• Audit trails and document control workflows that preserve evidence used to obtain or maintain certifications

In regulated environments, it is common to differentiate clearly between the entity issuing the certification (such as a notified body, regulatory agency, customer, or internal quality function) and the systems that store the resulting certificates and supporting records.

Common confusion

• Certification vs. accreditation
  Accreditation typically refers to formal recognition that a certification body, laboratory, or organization is competent to perform specific activities. Certification, by contrast, is the recognition given to the person, product, process, or system being evaluated. In many chains, an accredited body provides certification.
• Certification vs. compliance
  Compliance describes the state of meeting requirements, whether or not any third party has issued a certificate. Certification is a documented attestation that requirements were met at the time of assessment. An organization may be compliant without holding a certificate, or may hold a certificate but still have nonconformities to address.
• Certification vs. qualification/validation
  Qualification and validation are often internal engineering or quality activities that demonstrate a process or system performs as intended. Certification is the formal recognition or attestation of that performance, which can be internal or external depending on the scheme in use.

Use in regulated manufacturing environments

In regulated industries such as aerospace, defense, and medical manufacturing, certification activities are closely tied to audit readiness, traceability, and document control. Certificates and supporting records are usually stored under controlled revision, linked to lots or serial numbers, and retrievable for regulatory or customer reviews. Systems like MES, QMS, and ERP are often configured to block execution or shipment if required certifications are missing, expired, or invalid.