Should You Send an Unpaid Invoice to Collections?

When an invoice has survived every payment reminder, a phone call, and a final demand, you're left with three doors: write it off, sue in small claims, or hand it to a collection agency. Collections is the door people understand least, so let's get concrete about what agencies do, what they keep, and when the trade makes sense. One note before the details: this is practical guidance, not legal advice, and collection practices are regulated differently from state to state.

What a Collection Agency Actually Does

You assign them the debt and they pursue it with letters, calls, and leverage you don't have. A collections letterhead signals consequences, and agencies can report business debts to commercial credit bureaus, which real companies care about. Most work on contingency, keeping a percentage of whatever they recover, commonly somewhere between 25% and 50% depending on the debt's age and size. No recovery, no fee. Some agencies instead buy debts outright for a small fraction of face value, which is usually a worse deal at the invoice sizes freelancers carry. Age drives everything: fresh debts recover far more often than ones past a year old.

The Real Price Tag

The contingency fee is the visible cost. The invisible ones matter more. The client relationship is over, permanently, so never send a debt you'd regret collecting on. You lose control of tone, and the agency's conduct becomes attached to your business's name, which is exactly why choosing one carefully matters. And recovery is never guaranteed. A client with no money is unreachable by any method; the polite term is judgment proof. Weigh all of it against the honest alternative, though: an invoice you keep ignoring recovers exactly zero percent of itself. A middle path worth knowing about: some agencies sell a demand letter service for a small flat fee, where their letterhead does the intimidating and the account stays yours.

When Collections Makes Sense

• The amount is real money to you even after the agency's cut
• The client has gone silent and there's nothing left to negotiate yourself
• The debt is undisputed: they owe it, they know it, they won't pay it
• It's less than a year old, and ideally much less
• You already sent a final demand with a deadline, and the deadline passed
• You'd rather lose a third of it than spend a day preparing for court

When to Skip It

Skip collections when the invoice is genuinely disputed. Agencies collect debts; they don't arbitrate disagreements, and a contested balance usually bounces straight back to you. Skip it for small amounts where the cut leaves lunch money. Skip it if the client is insolvent or dissolving. And skip it while you still hold leverage of your own: unreturned property, a credit they need, ongoing service you're still providing. Work through the cheaper steps in what to do when a client won't pay before paying someone else a third to try the same things. In short, collections is for clean debts and dead relationships, nothing else.

Send One Real Final Demand First

A surprising share of debts settle at the first credible mention of collections, no referral needed. Send one final demand, in writing, with a date and a consequence you actually intend to keep. Give it 10-14 days, send it wherever the invoices went plus any physical address you have, and don't threaten anything you won't do. A deadline that slides teaches the debtor that all your deadlines slide.

If You Proceed, Pick the Agency Carefully

Look for an agency that handles commercial, business to business debt, is licensed or bonded where your client operates, puts its contingency rate in writing, and remits your share on a fixed schedule. Walk away from anyone demanding large upfront fees or promising specific recovery odds. And read a few of their actual collection letters before signing anything. Every word in them will be attributed to your business, because as far as your former client is concerned, the agency is you.