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Management system certification, validation and verification, personnel certification and inspection, delivered with the same impartiality, competence and rigour across every service.

Each service has dedicated pages setting out the requirements, process, cost factors and answers to common questions.
ISO/IEC 17021-1 · ISO 9001, 14001, 45001, 27001 and integrated systems
Accredited third-party certification of your management system against ISO standards for quality, environment, occupational health and safety, information security, food safety, energy and educational organisations. Certify to a single standard, or to several through one integrated audit programme.

ISO/IEC 17029 · ISO 14065 · GHG statements, carbon footprints and environmental claims
Accredited validation and verification of greenhouse gas statements, carbon footprints and environmental information to ISO/IEC 17029 and ISO 14065, giving regulators, lenders, investors and buyers an independent basis for confidence in what you report.

ISO/IEC 17024 · Auditors, energy, sustainability, GHG and BIM professionals
Accredited certification of individual competence to ISO/IEC 17024, for management system auditors and for energy, sustainability, GHG and BIM professionals. Candidates are assessed on eligibility and examination, and every certificate can be verified by employers and clients.

ISO/IEC 17020 · Lifting equipment, NDT, pre-shipment and food safety
Accredited Type A inspection to ISO/IEC 17020. Qualified inspectors examine lifting and drilling equipment, welds, products and food operations against the applicable standards, and issue an impartial, documented report.

Six principles govern all four services.
Commitments that apply to every client, across every service.
Management system certification confirms how your organisation is managed. Validation and verification provides an independent opinion on emissions data or an environmental claim. Personnel certification confirms the competence of an individual. Inspection determines whether a specific item, such as equipment or a product, conforms to requirements.
Yes. Many clients combine services, for example ISO 45001 certification for the organisation, lifting equipment inspection for its sites and personnel certification for its internal auditors, with one point of contact and coordinated schedules.
No. To safeguard impartiality, GQCL does not provide consultancy on the management systems it certifies, does not prepare the GHG statements it verifies and does not design or maintain the items it inspects.
GQCL may deliver public training that shares generic information about standards, which ISO/IEC 17021-1 does not regard as consultancy. Training is never a condition of certification and has no influence on audit outcomes.