If you're reading this, you're probably somewhere between "we just got a warning letter" and "we need to get this right before FDA shows up." Both situations are real, and both deserve a straight answer about what to look for in a GMP consultant — not a sales pitch.
I've spent more than eight years helping FDA-regulated companies get compliant and stay that way, across dietary supplements, pharmaceuticals, medical devices, and cosmetics. Here's what I've learned about what actually separates a good GMP consultant from one who just hands you a thick binder and disappears.
Why the Stakes Are Higher Than They've Ever Been
FDA enforcement activity has accelerated. In fiscal year 2023, FDA issued more than 1,400 Form 483 observations across drug manufacturing facilities alone, and warning letters tied to GMP deficiencies remain one of the agency's primary enforcement tools. The dietary supplement industry saw similar pressure, with cGMP compliance failures — particularly around identity testing and batch records — consistently ranking among the top citation types.
That backdrop matters when you're choosing a consultant, because the advisor who was good enough five years ago may not be current on where FDA's inspection focus has shifted. In my view, industry experience is necessary but not sufficient. Currency matters just as much.
What a GMP Consultant Actually Does (and What They Shouldn't)
A good GMP consultant closes the gap between where your quality system is and where it needs to be — for your specific product type, your facility size, and your regulatory pathway. That might mean building a quality management system from scratch, preparing your team for an FDA inspection, responding to 483 observations, or redesigning a corrective action process that keeps producing the same findings.
What a consultant should not do is hand you a generic SOP template pack, invoice you, and call it compliance. I've seen that approach more times than I can count, and the companies that go through it usually end up spending twice as much six months later when an investigator finds a system that looks good on paper but doesn't reflect what actually happens on the floor.
The distinction worth making: documentation is evidence of compliance, not compliance itself. If your consultant's deliverable is primarily documents, ask harder questions about implementation.
The Six Things That Actually Matter When Evaluating a GMP Consultant
1. Industry-Specific Experience
GMP requirements differ meaningfully across regulated categories. A consultant who specializes in pharmaceutical cGMP under 21 CFR Parts 210/211 may not be the right fit for a dietary supplement company navigating 21 CFR Part 111, or a medical device manufacturer working under 21 CFR Part 820 (now aligned with ISO 13485:2016 through the Quality System Regulation update). Ask specifically where they've worked, what product categories they've covered, and whether they've worked with companies at your stage — startup, scale-up, or established operation under active enforcement.
2. Regulatory Currency
FDA's inspection approach evolves. The agency's Data Integrity guidance, the Drug Supply Chain Security Act requirements, and the current focus on pharmaceutical quality systems (PQS) under ICH Q10 all represent areas where your consultant needs to be genuinely current — not just familiar with a summary they read once. A good test: ask them what changed in their area of focus in the last 18 months. If they can't answer with specifics, that tells you something important.
3. Track Record With Audits and Inspections
Ask for specifics, not generalities. How many FDA inspections has the consultant prepared clients for? What was the outcome? Have they supported clients through 483 responses and warning letter remediation? At Certify Consulting, we've maintained a 100% first-time audit pass rate across more than 200 clients — and that outcome is the result of how we build systems, not just how we write documents. Not every firm can say the same, and most won't volunteer the numbers. Push for them.
4. Implementation Depth
There's a real difference between a consultant who designs a quality system and one who also trains your team, walks the floor, and sticks around through your first internal audit cycle. For most companies, especially those building compliance infrastructure for the first time, you want the latter. Ask explicitly: do they deliver training? Do they do implementation support, or just assessment and documentation?
5. Communication Style and Fit
GMP consulting is relationship work. The consultant will be embedded in your operation, talking to your QA staff, your operations team, potentially your leadership. If the communication style doesn't fit — too academic, too distant, not responsive enough — the engagement will underperform regardless of credentials. I'd rather you do one working session with a consultant before signing a contract than skip that step entirely. Most consultants worth hiring will agree to that.
6. Credentials That Are Legible and Relevant
Credentials are a proxy, not a guarantee. That said, they're worth understanding. Relevant designations include the CPGP (Certified Professional in GMP, offered by PDA), CQA (Certified Quality Auditor, ASQ), and RAC (Regulatory Affairs Certification). I hold all three, along with a JD, MBA, and PMP — not because acronyms prove anything on their own, but because they signal a commitment to the field that's worth accounting for. Ask any consultant about the credentials they hold and what body issued them.
GMP Consultant Comparison: What to Look For by Industry
The table below maps the key evaluation criteria by industry vertical. When you're shortlisting candidates, this framework can help you weight what matters most for your specific context.
| Industry | Key Regulation | Most Important Consultant Attribute | Common Gap Found |
|---|---|---|---|
| Dietary Supplements | 21 CFR Part 111 | Identity testing + batch record expertise | Component identity programs missing or inadequate |
| Pharmaceuticals | 21 CFR Parts 210/211 | Inspection readiness + process validation | Data integrity gaps in lab systems |
| Medical Devices | 21 CFR Part 820 / ISO 13485 | Design controls + CAPA system depth | CAPA effectiveness verification |
| Cosmetics (MoCRA) | MoCRA / 21 CFR Part 700 | Facility registration + safety substantiation | New MoCRA requirements not yet implemented |
| Biologics | 21 CFR Parts 600–610 | Process controls + environmental monitoring | Contamination control strategy documentation |
| Food/Beverage | 21 CFR Part 117 (FSMA) | Hazard analysis + supplier controls | FSVP and supplier verification gaps |
Questions to Ask Before You Hire Anyone
A consultant who is confident in their work will not be rattled by direct questions. Here's what I'd ask:
- "Walk me through the last inspection your client had. What were the findings, if any, and what was the outcome?" This tells you whether they have real experience or just theoretical knowledge.
- "What does your SOP or document deliverable process look like — do your SOPs get customized to our operation, or are they adapted from templates?" The honest answer involves some templates (that's appropriate), but the answer should include meaningful customization and implementation.
- "How do you handle disagreements with a client about what's required versus what's optional?" A good consultant has a point of view and can defend it. Someone who just tells you what you want to hear is not worth the invoice.
- "Are you available during an actual FDA inspection if one occurs while we're working together?" Many consultants will hedge here. Know the answer before you need it.
The Hidden Costs of Choosing the Wrong Consultant
Choosing a GMP consultant is not purely a cost-minimization decision, and companies that treat it that way often pay for it twice. The average cost of responding to a single FDA warning letter — including remediation, legal fees, and operational disruption — frequently exceeds $500,000 for mid-size manufacturers. Product recalls driven by GMP failures can reach well into the millions.
In contrast, a well-structured consulting engagement that builds durable compliance infrastructure is an investment that pays forward through cleaner audits, faster regulatory pathways, and a quality system that scales with your growth. I've watched companies cut corners on quality consulting and then spend two or three times the original engagement cost cleaning up what was missed.
The calculus is not complicated. What you need is someone who understands your industry, knows the regulations at a working level, and will tell you the truth even when it's inconvenient.
Red Flags Worth Naming
A few things I'd treat as disqualifying signals in any consulting evaluation:
- "Guaranteed FDA approval." No consultant can guarantee FDA approval of any kind. If someone is offering that, they're either uninformed or dishonest.
- No industry-specific references. A consultant who cannot provide references from clients in your specific industry vertical is a generalist being sold as a specialist.
- Deliverables that are entirely documentation. As I noted above — if the engagement ends when the SOPs are handed over, you have not bought compliance. You've bought files.
- Vague answers about regulatory requirements. Good consultants can cite specific regulatory sections, not just generalities. If you ask "what does FDA require for identity testing under Part 111?" and the answer is "it depends" without any specifics following, that's a problem.
- No mechanism for follow-up or ongoing support. Compliance is not a project with a finish line. The best consulting relationships include a clear path for ongoing support as your operation changes.
How to Verify Industry Credentials and Track Record
A few practical steps before you commit to anyone:
- Check for relevant FDA activity. If a consultant claims to have resolved warning letters, you can search the FDA's warning letter database to verify the client company and timeline. Ask the consultant to walk you through what they did specifically.
- Request references in your industry. A good consultant will have three or four contacts they can point you to immediately. Hesitation here is meaningful.
- Look at their own published work. Do they produce substantive content about GMP compliance? Content that demonstrates working knowledge is a better signal than a polished website alone.
- Verify credentials directly. CPGP can be verified through PDA, CQA through ASQ, and RAC through RAPS. Don't take a resume claim at face value.
If you're evaluating options and want to understand how Certify Consulting approaches this work, you can learn more about our GMP consulting services for FDA-regulated industries or review our FDA inspection readiness resources for context on how we think about audit preparation.
My Honest Take
The best GMP consultants are not the ones with the most impressive credential string — though credentials matter. They're the ones who treat your compliance problem as genuinely theirs to solve, who will tell you something is wrong even when you don't want to hear it, and who build systems that work when they're not in the room.
That's the standard I hold myself to at Certify Consulting. It's also the standard you should hold any consultant to before you sign anything.
Last updated: 2026-04-28
Jared Clark
GMP Compliance Consultant, Certify Consulting
Jared Clark is a GMP compliance consultant and founder of Certify Consulting, specializing in FDA GMP requirements for pharmaceuticals, dietary supplements, cosmetics, and food manufacturing.