
Global GMP Expertise. Localized Insight. Compliant Results.
Trusted consultancy rooted in EMA, U.S. FDA, and Health Canada GMP regulations — harmonized with ICH, PIC/S, PDA, and ISPE standards.
Regulatory Excellence Across Three Jurisdictions
Comprehensive GMP support aligned with the world’s leading regulatory frameworks.
Navigating EU GMP and Annexes with confidence.
Leverage deep expertise in EudraLex Volume 4, Annex 1, and EU-specific quality and compliance expectations. Ideal for EU-headquartered companies and international firms seeking EU market authorization.
Meeting U.S. FDA 21 CFR compliance, PAI readiness and beyond.
Support tailored to U.S. FDA expectations for both drug and biotech manufacturing, including guidance on inspections, warning letters, and quality system readiness.
GMP compliance with Canadian regulatory precision.
Expertise in Canadian GMPs and alignment with the Food and Drugs Act & Regulations. Especially relevant for companies operating in or exporting to Canada, including biotech and small-molecule manufacturers.
Areas served
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Pharmaceutical Manufacturing
Support for small- and large-molecule drug production, from batch record reviews, inspection readiness, to regulatory submissions and GMP compliance.
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Biotechnology
Biotech-specific QA strategies, tech transfer support, and compliance with evolving standards for ATMPs and biologics.
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Clinical Trial Manufacturing (GMP for IMPs)
Specialized experience with GMP for investigational medicinal products (IMPs), Phase I–III production, and EU Annex 13.
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Contract Development & Manufacturing Organizations (CDMOs)
End-to-end quality and compliance support for CDMOs operating under multiple regulatory frameworks.
Key Services Offered
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Objective: Provide flexible, expert QA support to maintain compliance and scale quality functions without the overhead of full-time staff.
We offer on-demand quality leadership and hands-on support to help you:
Author and review Standard Operating Procedures (SOPs)
Conduct GMP compliance assessments
Modernize and align GMP processes with current regulatory expectations
Our fractional model allows you to:
Fill temporary QA leadership gaps
Support internal teams during audits or product launches
Maintain GMP readiness without long-term commitments
Whether you're a startup building your QMS or a mature organization needing surge support, we provide the right level of QA expertise — when and where you need it.
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Objective: Integrate AI responsibly into your quality systems while maintaining regulatory compliance and industry alignment.
We help regulated organizations embrace AI while safeguarding product quality and patient safety through:
Development of SOPs for responsible AI use in GxP environments
Consulting on AI system validation strategies aligned with FDA and EMA expectations
Benchmarking QMS performance against AI industry best practices
Our approach ensures:
Transparent, explainable AI processes
Integration of AI tools without compromising data integrity
Scalable frameworks to govern future AI applications
As AI becomes a critical driver of innovation in life sciences, we guide your transformation — responsibly, strategically, and compliantly.
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Objective: Build, enhance, and manage QMS frameworks that enable compliance, scalability, and operational excellence.
We support the full lifecycle of QMS development and optimization, including:
Designing and establishing robust QMS foundations
Leading QMS upgrades and extensions (e.g., Veeva platform releases)
Acting as process expert, Change Manager, or Project Manager throughout implementations
Our QMS services are tailored to:
Ensure alignment with evolving global regulatory expectations
Drive efficiency through process standardization and digital transformation
Support seamless system adoption across cross-functional teams
Whether launching a new QMS or evolving an existing one, we provide the leadership and expertise to ensure your quality system is future-ready and inspection-ready.
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Objective: Resolve compliance gaps and recover from regulatory observations or warning letters.
We specialize in helping companies respond effectively to:
FDA Form 483 observations
EMA or Health Canada deficiency letters
Third-party audit findings
Our remediation services include:
Root cause analysis (RCA) aligned with industry best practices
CAPA planning, execution, and effectiveness checks
Documentation clean-up and reconstruction
QMS rebuilding or redesign
Remediation project management and interim QA leadership
Communication strategies for regulators (response letters, updates, milestones)
Whether you’re recovering from an inspection or preparing a proactive remediation plan, we help you regain regulatory confidence — quickly and sustainably.
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Objective: Ensure trustworthy records and regulatory defensibility.
We assess data governance practices using ALCOA+ principles and help implement:
Audit trails and system validations
Secure access control
Paper and electronic record compliance
Logbook reviews and corrections
Procedures for raw data handling and storage
This service is critical in preparation for FDA or EMA inspections focused on data integrity.
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Objective: Identify and address compliance gaps before regulators do.
We perform comprehensive internal GMP audits modeled after regulatory inspections (FDA, EMA, Health Canada) and aligned with PIC/S standards. Our audits evaluate:
QMS structure and implementation
SOPs and records
Facility and equipment controls
Personnel training and hygiene
Batch documentation
Data integrity risks
A detailed gap report outlines deficiencies, risk levels, and prioritized corrective actions.
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Objective: Prepare confidently for real inspections.
We simulate regulatory inspections under FDA (PAI, GMP surveillance), EMA (GMP compliance), or Health Canada frameworks. Services include:
Inspection coaching and mock interviews
Readiness assessments for documentation, site conditions, and personnel
Custom inspection playbooks
Risk mitigation plans for known findings
This is ideal before a market authorization application or facility expansion.
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Objective: De-risk your supply chain by ensuring vendor compliance.
We support full lifecycle vendor management including:
Third-party GMP audits
Technical agreements and quality clauses
Vendor qualification packages
Ongoing oversight and scorecards
Remote audit strategies (post-COVID hybrid models)
We help you manage CMOs, CDMOs, API suppliers, labs, and packaging vendors to ensure they meet regulatory expectations.
Why work with Retzlaff Consulting?
Global Standards. Practical Solutions. Trusted Expertise.
At Retzlaff Consulting Inc., we combine deep regulatory knowledge with real-world industry insight to deliver GMP compliance that works — not just on paper, but on your shop floor, in your documentation, and at your next inspection.
Our hands-on experience spans EMA, FDA, and Health Canada frameworks, harmonized with ICH, PIC/S, and global industry standards. Having worked with EU-based global pharma, Indian manufacturers, and Canadian biotech firms, we tailor compliant solutions that align with your operations, scale, and lifecycle stage.
Value. Speed. Reliable.
Martin Lehmann, CPO of Qualifyze
“Marco’s contribution to our understanding of the market and our positioning was invaluable. He brought new perspective and practical insights which helped our business objectives.We appreciate his great energy and positive attitude during our collaboration on several thought provoking projects.”
Paul McNulty, Former U.S. Deputy Attorney General
“If you think compliance is expensive, try non-compliance.”