What to Do When You Get a Demand Letter From a Client

✓ Verified June 16, 2026

Demand letter — two words that can ruin your lunch. A client’s attorney sends one, and suddenly you are wondering if you are about to lose your business. Take a breath. In most cases, a demand letter is the opening move in a negotiation, not a guaranteed lawsuit. Roughly 85–90% of demand letters never reach a courtroom. However, how you respond in the next few days matters a lot. This guide walks you through exactly what to do, step by step.

The short answer: Do not ignore it, do not fire off an angry reply, and do not pay it immediately. Read the demand letter carefully, preserve every related document, and call your insurance agent within 24 hours. Your general liability or professional liability policy may cover both the defense and the settlement. Late notice to your insurer can void that coverage entirely.

Where You Stand After Receiving a Demand Letter

A demand letter is a formal notice from a client (or their attorney) claiming you owe them money or corrective action. It is not a lawsuit — yet. It typically gives you a deadline to respond, usually 15 to 30 days. Some states require the sender to send this demand letter before they can even file suit.

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The letter itself is a legal document. Courts can use your response — or your silence — against you later. For example, ignoring a demand letter in Texas may waive certain defenses under the Deceptive Trade Practices Act. In Florida, many claims require a statutory pre-suit demand letter before a lawsuit can proceed. As a result, how you handle it sets the tone for everything that follows.

Response rules vary by state and claim type. Here are common examples:

State Pre-Suit Notice Rule Typical Response Window
Florida 60-day notice required for construction defect claims 60 days
Texas DTPA 60-day cure period is mandatory before suit 60 days
California 30-day demand required under Consumer Legal Remedies Act 30 days
New York No universal pre-suit notice for general business disputes 15–30 days (letter-specified)
Most other states No statutory requirement, but contractual cure periods may apply 15–30 days (standard practice)

What to Do First (Step by Step)

Step 1: Read the demand letter carefully. Identify who sent it, what they are claiming, how much they want, and the deadline to respond. Do not throw it in a drawer. Do not call the client to argue.

Step 2: Notify your insurance carrier immediately. Call your agent the same day you receive the demand letter. Your general liability (CGL) policy typically covers bodily injury and property damage claims. Your professional liability or errors-and-omissions (E&O) policy covers claims of negligence, mistakes, or service failures. If you have an E&O policy, it is almost always “claims-made” — meaning the demand letter itself is the claim, and you must report it during the same policy period you received it. Waiting even a few weeks can cost you coverage.

Report the demand letter to your insurer within 24–48 hours. Late notice is the single most common reason insurers deny an otherwise valid claim. On claims-made policies (E&O, professional liability), failing to report during the policy period can permanently void coverage.

Step 3: Preserve everything. Save every email, text, contract, invoice, photo, and note related to the project or transaction. Do not delete anything. Do not “clean up” files. Your insurer and attorney will need this.

Step 4: Respond in writing before the deadline. Do not admit fault. A short, professional reply that says “I received your letter and am reviewing it with my insurance carrier and counsel” buys you time without waiving rights.

What It Will Cost and What to Watch For

If your insurance covers the claim, your out-of-pocket cost may be limited to your deductible. Typical small-business GL deductibles run $500 to $2,500. However, if you have no coverage — or if the claim falls outside your policy — defense costs add up fast.

Cost Category Typical Range (2025–2026)
Business litigation attorney (hourly) $150–$650/hour (varies by market)
Average GL claim defense + settlement $75,000+
Small business lawsuit (total cost) $50,000–$200,000+
E&O policy annual premium (small firm) $500–$3,000/year
GL policy annual premium (small business) $400–$2,000/year

The biggest trap is delay. Many owners sit on a demand letter hoping it will go away. It will not. Each day you wait, you risk missing a deadline, losing coverage, or letting the sender file suit on their terms. Another common mistake: responding directly to the sender with emotional language or partial admissions. Anything you write can be used in court.

Also watch for demand letters that look like scams. Fraudulent ADA compliance letters and fake copyright infringement notices have surged in recent years. In 2025, roughly 35,000–50,000 ADA demand letters were sent, but only about 5,000–7,000 lawsuits were actually filed. If a demand letter looks suspicious, have an attorney verify it before you respond or pay.

When to Call Your Agent or an Attorney

Call your insurance agent immediately — before you do anything else. Your agent will help you open a claim and determine which policy responds. If the demand letter involves a contract dispute, professional negligence, or any dollar amount over $5,000, you also want an attorney reviewing it.

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Your insurer typically assigns defense counsel at no extra cost to you once a claim is accepted. In some states, if the carrier issues a “reservation of rights” letter (meaning coverage is uncertain), you may be entitled to choose your own independent attorney. California, for example, grants this right. Ask your agent whether a reservation of rights has been issued and what it means for your case.

If you do not carry insurance — or if the demand letter falls outside your coverage — you need a business litigation attorney on your own. Many offer a free initial consultation. The local bar association in your county can provide referrals. The SBA also maintains a directory of local small-business assistance offices that can point you to affordable legal resources.

Frequently Asked Questions

Can I ignore a demand letter?

You can, but you should not. Ignoring a demand letter does not make the claim disappear. It often leads to a lawsuit filed without further warning. In states like Texas and Florida, the demand letter may be a required pre-suit step, meaning the sender has already met their legal obligation by sending it.

Does my general liability insurance cover demand letters?

In many cases, yes. If the demand letter alleges bodily injury, property damage, or personal injury (like defamation), your CGL policy typically triggers a duty to defend. For claims of professional mistakes or service failures, you would need an E&O or professional liability policy. Notify your carrier right away so they can make the coverage determination.

What if the demand letter asks for more than my policy limit?

Your insurer will still defend you up to your policy limit. However, you may be personally responsible for any amount above that limit. This is one reason many business owners carry an umbrella or excess liability policy. If you receive a demand letter with a large dollar figure, discuss your coverage limits with your agent immediately.

Bottom line: A demand letter is not a lawsuit — it is a warning shot. Notify your insurance carrier within 24 hours, preserve your records, respond in writing before the deadline, and let your insurer and attorney handle the negotiation. Most demand letters settle without ever reaching court. The owners who get hurt are the ones who panic, ignore it, or try to handle it alone. Confirm your exact coverage and next steps with a licensed insurance agent.

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Sources & How to Verify

The information on this page is drawn from official government and industry sources. Insurance requirements, premiums, and state rules change, so always confirm the exact figure with your state, a licensed agent, or the authority source.

  • U.S. Small Business Administration: sba.gov — federal small-business insurance guidance
  • Insurance Information Institute: iii.org — neutral premium and coverage data
  • NAIC: naic.org — state insurance regulation data
  • U.S. Department of Labor: dol.gov — workers’ compensation overview
  • Your state DOI, workers’ comp board, and contractor-licensing board: search “[your state] department of insurance” or “[your state] workers comp” for the exact law and forms

Content last reviewed June 2026. If you notice outdated information, please contact us.

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