From $5,000

FDA Response and Remediation

Form 483 and
Warning Letter Response

We help you answer FDA's observations with real root causes, corrective actions backed by evidence, and commitments your site can keep, delivered inside the 15 business days that decide whether FDA considers your response before acting.

"Keep it Simple. Keep it Real."

Book a Free Call 858-240-4353
From $5,000
Published price
Root cause
Not just fixes
Evidence
Attached
Jared Clark, Form 483 and Warning Letter Response consultant

What you get

A response written for the person who reads it

FDA reviewers read hundreds of responses. The ones that work show that the company understood the observation, found the real cause, looked for the same problem elsewhere, and fixed it with evidence. This is what we help you produce.

An observation-by-observation response

For each observation: what was found, the investigation, the root cause, the correction, the corrective and preventive actions, the evidence, and the dates. In the order and format reviewers expect.

A systemic look

Every observation is checked for the same failure in other products, lines and procedures. A response that fixes only the example FDA found is the most common reason a warning letter follows a 483.

Commitments you can keep

Dates and deliverables sized to what your team can actually do, with monthly or quarterly updates scheduled if the work runs past the response.

Remediation support

Help doing the work the response promises: procedures, validation, training, and an independent check that the fixes held.

How It Runs

Three steps

1

Triage

Within days of the closing meeting, a read of each observation, its regulatory weight, and what a credible response needs. The plan and the outline come first.

2

Draft

Investigations and root-cause work with your team, then the response drafted for your signature, with the evidence attached and indexed.

3

Deliver and follow through

The response goes to FDA on time. We then help complete the commitments and prepare the update letters.

Scope

Responses we help write

FDA Form 483 responses after drug, OTC drug, dietary supplement, food and cosmetic inspections. Warning letter responses, which are due in 15 working days and carry more weight. Untitled letters, regulatory meeting preparation, and the follow-up update letters FDA expects when remediation runs longer than the response period.

We do not write responses that promise what the site cannot do, and we do not dress up a correction as a root cause. Reviewers can tell the difference, and a response that over-promises becomes the evidence in the next action.

See the warning letter response playbook for how the process works, and the mock FDA inspection for testing whether the fixes hold before FDA returns.

A good fit

  • FDA has just closed an inspection with a Form 483 and the 15-business-day clock is running.
  • You have received a warning letter and need a response, and a remediation plan, that FDA will accept.
  • A previous response did not satisfy FDA and you need a fresh look.

Not the right service

  • –You need legal representation in an enforcement action. We work alongside regulatory counsel; we are not a substitute for it.

Price And Terms

483 response from $5,000; warning letter response from $12,000

Every engagement is priced in writing after a free 30-minute call and before any work starts. On-site work is scheduled in full days; travel from Salt Lake City is billed at cost, with no markup, after the visit. You own every report and record we produce.

The response is quoted as a fixed fee within a day of seeing the observations. Remediation work is quoted once the response has fixed its scope.

Frequently asked questions

What does help with a 483 or warning letter response cost?

A Form 483 response starts at $5,000 and a warning letter response at $12,000. The fee depends on the number and weight of the observations, and is quoted in writing within a day of seeing them. Remediation work that the response commits to is quoted separately.

How long do we have to respond to an FDA Form 483?

There is no legal deadline, but FDA considers a response it receives within 15 business days of the inspection's close before deciding on further action such as a warning letter. Respond inside that window.

Is responding to a 483 required?

It is not required by law, but not responding is almost never wise. A good response can keep a 483 from becoming a warning letter. Silence tells FDA you do not take the observations seriously.

What is the difference between a 483 and a warning letter?

A Form 483 lists an investigator's observations at the end of an inspection. A warning letter is an agency decision that the company is in significant violation, published on FDA's website, and it can be followed by import alerts, seizures or injunctions. Warning letter responses are due in 15 working days.

Can AI write our 483 response?

It can help draft one, and we use AI tools in our own work. FDA has also cited a manufacturer for releasing AI-written procedures without qualified review. The response has to reflect a real investigation, by people who can stand behind it, and that part cannot be generated.

Your Consultant

Who does the work

Jared Clark, our principal consultant, leads every engagement. He has spent his career in quality systems, FDA liaison work and regulatory affairs for pharmaceutical, dietary supplement, OTC drug, cosmetic and medical device manufacturers, and founded Certify Consulting in 2016. He holds the ASQ Certified Quality Auditor (CQA), Certified Manager of Quality/Organizational Excellence (CMQ/OE) and Certified Pharmaceutical GMP Professional (CPGP) certifications, and has worked through certification and surveillance audits alongside NSF, UL, Intertek, SGS and ANAB-accredited registrars. His full credentials and their verification links are on the About page.

Related Services

Often paired with this one

Mock FDA Inspection

We inspect your site the way FDA would and give you a mock Form 483 while there is time to fix it.

FDA Inspection Readiness and Support

Ready before FDA arrives, and an experienced hand in your back room while the investigator is there.

Fractional Quality Executive

A part-time senior quality and regulatory leader with regular site days, on a monthly retainer.

Start the response this week

Book a free 30-minute call, or call 858-240-4353. Send the observations and we will tell you what a credible response needs and what it will cost.

Book a Free Call Call 858-240-4353

Or email us at support@certify.consulting