When a client doesn’t pay you, the fastest path to actually collecting runs through four steps in order: stop working, send a written demand with a deadline, and if that fails, escalate to small claims court, a collection agency, or a civil lawsuit depending on how much you’re owed. Each stage puts more pressure on the client than the last, and the longer you wait between stages, the harder recovery gets. Most of the money freelancers and small business owners lose to unpaid invoices is lost to hesitation, not to clients who were truly uncollectible.
Stop Work and Pull Your Records Together
The moment a client misses a payment and stops responding, stop delivering. Continuing to work while invoices sit unpaid just enlarges the hole. Most well-drafted service contracts let you suspend performance when payment is overdue, usually after written notice and a short cure period, and even without that clause you have no obligation to keep performing on a contract the other side is already breaching.
While everything is fresh, build one organized file containing:
- The signed contract or service agreement, which sets the scope, payment terms, due dates, and any late-fee or interest provisions.
- Every invoice, each showing the amount, issue date, and original due date.
- Proof of delivery: emails acknowledging receipt of your work, signed delivery receipts, access logs, or screenshots of completed deliverables.
- A communication log of every email, text, voicemail, and phone call tied to the payment dispute, along with the client’s responses or silence.
This package does two jobs. It is the evidentiary spine of any legal action, and it shows a judge you tried to resolve the matter informally before escalating. If your contract specifies late fees or an interest rate on overdue balances, flag those now; they come back into play at every later stage.
Send a Formal Demand Letter
A demand letter is the first move that signals you are serious. Many non-paying clients treat informal reminders as optional, and a formal written demand on letterhead with a hard deadline changes the tone of the conversation. The letter should state the exact amount owed, reference the specific contract and invoice numbers, set a firm payment deadline (10 to 15 days is typical), and say plainly that you will pursue legal action or refer the debt to a collection agency if the deadline passes.
Send it by USPS Certified Mail with Return Receipt Requested. Certified Mail creates a tracking record, and the signed return receipt proves the date and location of delivery.1United States Postal Service. Certified Mail – The Basics That receipt is what prevents the client from later claiming they never got the letter. Emailing a copy as well is fine for speed, but the physical mailing is what carries weight in court.
Keep the tone professional. The goal is to create a clean record that the client had a final chance to pay and chose not to. File the letter, the certified mail receipt, the tracking confirmation, and the signed green card together. If the client pays, you’re done. If not, this is exhibit one.
Try Negotiation or Mediation Before Court
Before filing anything, think about whether a structured conversation could resolve this faster and cheaper than litigation. Some clients genuinely have cash flow problems and will agree to a payment plan if you offer one. Others dispute the quality of your work or claim the scope changed. A direct, documented negotiation can surface the real issue and sometimes produce a settlement both sides can live with.
If direct talks stall, mediation is worth a look. A neutral mediator helps both sides reach an agreement without the cost and delay of court, and many courts actually require or encourage mediation before scheduling a hearing. Sessions typically happen within weeks, and any written agreement reached is enforceable as a contract. If mediation fails, nothing said during the session can be used against you in court.
File in Small Claims Court
Small claims court was built for exactly this kind of dispute: a fixed dollar amount, a straightforward contract, and parties who can represent themselves. You file without a lawyer, present your own evidence, and in most cases get a decision the same day as the hearing.
Dollar Limits and Filing Costs
Every state sets its own cap on small claims. The limits run from $2,500 at the low end to $25,000 at the high end, with most states somewhere between $5,000 and $10,000. If the debt exceeds your state’s cap, you can either reduce your claim to fit (forfeiting the excess) or file in a higher court with more formal procedures.
Filing fees vary widely, from about $10 to over $300 depending on the court and the claim size. Service of process — having a professional server or sheriff’s deputy physically deliver the summons — usually runs $50 to $200 on top of that. These costs are generally recoverable if you win, meaning the judge can add them to the amount the client owes.
Preparing Your Case
File your complaint with the court clerk in the county where the client lives or does business, or where the work was performed. The clerk assigns a hearing date, typically 30 to 60 days out. Use the waiting period to organize your evidence in the order you plan to present it: contract first, then invoices, proof of delivery, communication log, and finally the demand letter with its certified mail receipt.
Bring printed copies of digital evidence. Emails and text messages are routinely admitted in small claims court, but you need to be able to say who sent each message, when, and how you know it’s genuine. If the client acknowledged receiving your work by email, that message is often the single most powerful piece of evidence you’ll have. The judge reviews the materials, hears both sides briefly, and issues a judgment. If the client fails to appear, you’ll usually win by default. The whole hearing rarely runs longer than 20 minutes.
Hand the Debt to a Collection Agency
If you’d rather not spend your own time chasing the debt, you can turn it over to a collection agency at any stage, though most businesses do this after the demand letter fails and before committing to court. You hand over your documentation package, and the agency takes over all contact with the client.
Most commercial agencies work on contingency: nothing upfront, and they keep a percentage of whatever they collect. That percentage typically runs 15% to 50% of the recovered amount. Newer debts (60 to 90 days overdue) command lower rates because they are easier to collect; debts older than six months push toward the higher end. You get less per dollar recovered, but you spend no time or money on the effort yourself. Some agencies charge flat or hourly rates instead, especially for smaller balances. Read the contract before signing, and watch for clauses that lock you in or charge you even when the agency collects nothing.
Once a third-party collector is involved, the Fair Debt Collection Practices Act applies. The agency must send the client a written validation notice within five days of its first communication, identifying the amount owed and the creditor’s name.2GovInfo. 15 U.S. Code 1692g – Validation of Debts The client then has 30 days to dispute the debt in writing, and if they do, the agency has to verify it before continuing. The FDCPA also prohibits harassment, threats, and deceptive tactics; an agency that violates it can create liability for you if you know about the violations and do nothing.3Federal Trade Commission. Fair Debt Collection Practices Act
File a Civil Lawsuit for Larger Debts
When the amount owed exceeds your state’s small claims limit, a formal breach-of-contract lawsuit in a higher trial court is the route. This is a fundamentally different experience. You’ll want an attorney, the procedural rules are stricter, the timeline stretches to months or years, and costs are significantly higher.
The case starts with filing a complaint and serving the client with a summons, then moves into discovery, where both sides exchange documents, answer written questions under oath, and may take depositions. Most cases settle during or after discovery, often at a mandatory settlement conference. If no settlement is reached, the case proceeds to trial before a judge or jury.
Attorney fees are the economic hinge. The default rule in American courts is that each side pays its own lawyer, win or lose. This is where your original contract matters: if your service agreement includes a prevailing-party attorney-fee clause, the court will generally enforce it. Without that clause, you absorb your own legal fees even if you win, which can eat into or exceed what you’re trying to recover. For debts that only slightly exceed the small claims limit, the math often doesn’t work unless a fee-shifting clause exists. Some state statutes allow fee recovery in specific contract disputes, so have an attorney evaluate whether your contract or your state’s law supports a fee claim before committing to litigation.
Collecting on a Judgment
Winning a judgment is not the same as getting paid. The court gives you a legal right to collect; the collecting is still on you. If the client pays voluntarily after the judgment, good. If not, you have several enforcement tools.
A wage garnishment order directs the debtor’s employer to withhold a portion of each paycheck and send it to you. Federal law caps garnishment for ordinary debts at the lesser of 25% of disposable earnings or the amount by which weekly take-home pay exceeds 30 times the federal minimum wage, and some states go further.4Office of the Law Revision Counsel. 15 U.S. Code 1673 – Restriction on Garnishment Garnishment only works when the debtor is a W-2 employee; if your non-paying client is a business entity, this tool doesn’t help.
If you know where the debtor banks, you can ask the court to issue an order letting a sheriff or marshal seize funds directly from the account. The process varies by state, but generally you file the judgment with the local sheriff’s office and provide the bank’s name and branch. Some funds are protected, and the debtor usually gets notice and a short window to claim exemptions.
Recording your judgment with the county recorder’s office where the debtor owns real estate creates a lien against that property. The lien attaches to current holdings and, in many jurisdictions, to property acquired later.5Office of the Law Revision Counsel. 28 U.S. Code 3201 – Judgment Liens The debtor can’t sell or refinance without satisfying it first. This is a long game, but it puts you in line when the day comes. If you can’t locate the debtor’s assets at all, most states let you compel a debtor’s examination, a hearing where the debtor answers questions under oath about income, accounts, and property.
Can You Write Off the Unpaid Invoice?
Whether you can deduct the loss turns on your accounting method. If you use the accrual method, you already reported the invoice as income when you earned it, before the client paid. You can claim a bad debt deduction in the year the debt becomes worthless, effectively reversing the income you never received.6Internal Revenue Service. Topic No. 453, Bad Debt Deduction
If you use the cash method, which most freelancers and sole proprietors do, you never reported the invoice as income in the first place, because cash-basis taxpayers report income only when they receive it. You can’t deduct something you never counted as income, and the IRS is explicit that cash-method taxpayers generally cannot take a bad debt deduction for unpaid fees. To claim the deduction on an accrual basis, you need to show you took reasonable steps to collect and that payment is no longer realistically expected. You don’t necessarily have to sue, but the debt has to be genuinely worthless, not just slow. If timing or eligibility is unclear, talk to your accountant before claiming it.
Watch the Statute of Limitations
Every state sets a deadline for filing a breach-of-contract lawsuit, and once it passes, you lose the legal right to sue no matter how strong your evidence is. For written contracts, these deadlines run from three to ten years depending on the state. Oral agreements usually have shorter windows. The clock generally starts on the date the payment was due, not the date you noticed it was missing.
This is the single biggest reason not to sit on an unpaid invoice. Demand letters and phone calls do not pause or reset the statute of limitations in most states. Only filing a lawsuit does. If you’re approaching the deadline and the debt isn’t resolved, file suit; you can always settle later, but you cannot file after the clock runs out. An invoice you’ve been meaning to deal with for three years may already be unrecoverable in some jurisdictions.