London, United Kingdom
BSI
Long-standing standards publisher that also operates as a global management-system certification body.
ISO 9001ISO/IEC 27001ISO 14001ISO 45001ISO/IEC 42001
Quality → security → AI governance
Choose an accredited registrar without the brochure fog.
A practical directory and compare guide for operations, quality, IT, and compliance leads choosing accredited registrars for ISO 9001, 27001, 14001, 45001, and ISO/IEC 42001. Compare real certification bodies, read the guides, then send one scope pack for quotes.
The path
Three layers most mid-market teams actually need
Standards desk
All standards →Quality · Quality
ISO 9001 Quality Management
The foundational quality-management system standard most mid-market manufacturers and many professional-services firms use to prove consistent process control.
Security · Security
ISO/IEC 27001 Information Security
The information-security management system standard that turns policies, risk treatment, and Annex A controls into something a customer or regulator can trust.
Environment · Operations stack
ISO 14001 Environmental Management
The environmental management system used by manufacturers and multi-site operators to control impacts, compliance obligations, and customer EHS expectations.
Safety · Operations stack
ISO 45001 Occupational Health and Safety
The OH&S management system standard that replaces a patchwork of older safety certificates with a single, auditable framework.
AI governance · AI governance
ISO/IEC 42001 AI Management
The first international AI management system standard — a governance layer for organizations that develop or use AI, not a model-quality badge.
Path · Full path
Integrated path (9001 + security + AI)
How mid-market teams sequence ISO 9001, the EHS pair, ISO/IEC 27001, and ISO/IEC 42001 without buying five disconnected certificates.
Featured certification bodies
Real, publicly known accredited CBs. Editorial summaries only — not endorsements, and not a complete global census.
Neuilly-sur-Seine, France
Bureau Veritas
Long-established TIC group used by manufacturers and asset-intensive operators for system certification.
ISO 9001ISO/IEC 27001ISO 14001ISO 45001
Høvik, Norway
DNV
Assurance and risk-management group with a large accredited business-assurance certification practice.
ISO 9001ISO/IEC 27001ISO 14001ISO 45001ISO/IEC 42001
London, United Kingdom
Intertek
Total Quality Assurance group that includes the former SAI Global Assurance certification business.
ISO 9001ISO/IEC 27001ISO 14001ISO 45001ISO/IEC 42001
Guides
All guides →16 min · 2026-10-23
FSSC 22000 vs SQF vs BRCGS: which GFSI scheme goes on this RFQ
A mid-market buying comparison for food, beverage, ingredient, and food-contact packaging manufacturers choosing among FSSC 22000, SQF, and BRCGS. Who owns each scheme, how each is built, what GFSI lists, how grading is published, and how to scope one RFQ.
18 min · 2026-10-22
ISO 9001 vs ISO 22000: quality vs food safety for mid-market food manufacturers
A mid-market buying comparison for food, beverage, ingredient, and food-contact packaging plants. When a quality certificate is the gate this cycle, when a food safety management certificate is, how FSSC 22000 sits on ISO 22000 and GFSI, and how to scope one RFQ.
16 min · 2026-10-19
ISO 14001 vs ISO 50001: environmental vs energy management for mid-market manufacturers
A mid-market buying comparison for plant, operations, and EHS leads. When an environmental certificate is the gate this cycle, when an energy management certificate is, and why a 14001 accreditation line does not cover ISO 50001.