ISO 9001
International standard for quality management systems
FDA 21 CFR Part 11
FDA regulation for trustworthy electronic records and signatures
Quick Verdict
ISO 9001 provides voluntary QMS certification for global quality excellence, while FDA 21 CFR Part 11 mandates controls for electronic records in US life sciences. Companies adopt ISO 9001 for market trust and efficiency; Part 11 ensures regulatory data integrity.
ISO 9001
ISO 9001:2015 Quality management systems
Key Features
- Risk-based thinking integrated across all clauses
- PDCA cycle for continual improvement
- Seven Quality Management Principles foundation
- High-Level Structure for multi-standard integration
- Universal applicability to any organization size
FDA 21 CFR Part 11
21 CFR Part 11 Electronic Records; Electronic Signatures
Key Features
- Secure, time-stamped audit trails for actions
- System validation for accuracy and reliability
- Access, authority, and device checks
- Electronic signatures with non-repudiation
- Encryption and digital signatures for open systems
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
ISO 9001 Details
What It Is
ISO 9001:2015 is the international certification standard for Quality Management Systems (QMS). It specifies requirements for organizations to consistently meet customer and regulatory needs through a process-based, risk-oriented framework using the PDCA cycle.
Key Components
- 10 clauses (4-10 auditable): context, leadership, planning, support, operation, evaluation, improvement
- Built on **7 Quality Management Principlescustomer focus, leadership, engagement of people, process approach, improvement, evidence-based decisions, relationship management
- Annex SL High-Level Structure enables integration with other ISO standards
- Voluntary third-party certification with audits
Why Organizations Use It
- Enhances customer satisfaction, operational efficiency, risk management
- Boosts market access, regulatory compliance, brand reputation
- Drives cost savings, waste reduction, continual improvement
- Over 1 million certifications worldwide build stakeholder trust
Implementation Overview
- Gap analysis, process mapping, training, internal audits, certification
- Applicable to all sizes, sectors, geographies
- Typical 6-12 months; ongoing surveillance audits every 3 years
FDA 21 CFR Part 11 Details
What It Is
21 CFR Part 11 is an FDA regulation defining criteria for electronic records and electronic signatures to be trustworthy, reliable, and equivalent to paper records and handwritten signatures. It targets FDA-regulated industries using electronic systems for predicate-rule-required records. The risk-based approach, clarified in 2003 guidance, narrows scope to relied-upon electronic records.
Key Components
- Subpart A: scope, definitions; Subpart B: closed/open system controls; Subpart C: signatures
- Core controls: validation, audit trails, access limits, operational/authority/device checks, training, policies
- ~25 requirements emphasizing authenticity, integrity, non-repudiation
- Compliance via internal validation, no formal certification
Why Organizations Use It
- Mandatory for electronic reliance to avoid enforcement
- Ensures data integrity, inspection readiness, efficiency gains
- Mitigates warning letters, supports quality decisions
- Builds stakeholder trust, enables digital transformation
Implementation Overview
- Phased: scoping, gap analysis, CSV (IQ/OQ/PQ), SOPs, training, monitoring
- Applies to pharma, biotech, devices; US-focused life sciences
- Risk-based, ongoing change control, no external audit required
Key Differences
| Aspect | ISO 9001 | FDA 21 CFR Part 11 |
|---|---|---|
| Scope | Quality management systems for all processes | Electronic records and signatures trustworthiness |
| Industry | All industries worldwide, any size | FDA-regulated life sciences, US-focused |
| Nature | Voluntary certification standard | Mandatory US federal regulation |
| Testing | Internal audits, third-party certification | System validation, audit trails verification |
| Penalties | Loss of certification, market disadvantage | Warning letters, fines, enforcement actions |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about ISO 9001 and FDA 21 CFR Part 11
ISO 9001 FAQ
FDA 21 CFR Part 11 FAQ
You Might also be Interested in These Articles...

From SOC to AI-Native CDC: Redefining Triage and Response in 2026
Explore the shift from SOCs to AI-Native CDCs. Autonomous agents handle Tier 1 triage in 2026, empowering analysts for complex threats. Discover the future of c

Why applying the NIST CSF Standard is a Life-Saver!
Discover why NIST CSF 2.0 is a life-saver for organizations. This flexible framework's 6 functions—Govern, Identify, Protect, Detect, Respond, Recover—boost res

5 Ways Modern Compliance Software Makes Evolving Regulations Your Strategic Advantage
Discover 5 ways modern compliance software turns evolving regulations into strategic advantage. Automate monitoring, cut 3x non-compliance costs, stay audit-rea
Run Maturity Assessments with GRADUM
Transform your compliance journey with our AI-powered assessment platform
Assess your organization's maturity across multiple standards and regulations including ISO 27001, DORA, NIS2, NIST, GDPR, and hundreds more. Get actionable insights and track your progress with collaborative, AI-powered evaluations.
Check out these other Gradum.io Standards Comparison Pages
ITIL vs NIS2
Explore ITIL vs NIS2: Align ITSM best practices with EU cyber regs via ITIL 4's SVS, 34 practices for risk mgmt, incidents & compliance. Boost resilience today!
SOX vs ISO 56002
SOX vs ISO 56002: SOX mandates strict financial controls & PCAOB audits post-Enron; ISO 56002 guides innovation via PDCA & leadership. Compare for governance edge. Dive in!
SAFe vs BREEAM
SAFe vs BREEAM: Scale agile enterprises with SAFe's PI planning & ARTs or certify sustainable buildings via BREEAM's weighted credits. Compare ROI, configs & benefits now!