What is a collection agency success rate, and how long does it take?
There’s no single collection agency success rate. Results depend mostly on the account’s age, size and documentation. Commercial Law League of America data shows a 74% probability of collecting at 90 days past due, falling to 27% at one year. Timing varies from weeks to months, and longer if suit is needed.
What drives a collection agency success rate?
- Age: the older the account, the lower the odds (table below).
- Documentation: clear contracts and proof of delivery help.
- Debtor status: an operating business is easier to collect from than a closed one.
- Disputes: genuine disputes slow or reduce recovery.
| Time past due | Probability of collecting (CLLA chart) |
|---|---|
| At due date | 98% |
| 30 days | 94% |
| 60 days | 85% |
| 90 days | 74% |
| 6 months | 58% |
| 9 months | 43% |
| 1 year | 27% |
| 2 years | 14% |
Source: Commercial Law League of America, “Probability of Recovering Commercial Debt with Age”[source]. The figures describe commercial accounts in general, not any particular agency’s results.
How long does a collection agency take?
We haven’t found a reliable published average. Simple accounts may settle after the first contacts; payment plans take as long as the plan; legal action takes longer because debtors can use the process to delay[source]. Ask any agency how it reports progress and when it recommends escalating.
How do you judge an agency’s results?
Ask for its experience with accounts like yours, not a headline rate, and compare like with like by age and size. Use our questions to ask a collection agency.
Get matched: agency, attorney, AI or certified firm
Tell us about the unpaid invoice and choose a preferred option, or let us recommend one: AI/automated collection, a collection attorney, a collection agency (local or national), or an IACC member, CLLA-certified or ACA International member agency. Matching is free, and nothing is placed until you approve a partner’s written terms.
Prefer email? Write to [email protected].
Frequently asked questions
Is a high advertised recovery rate reliable?
Treat it with caution unless the agency explains how it’s measured; account age and mix change results dramatically.
About Small Biz Debt Collection
Small Biz Debt Collection (smallbizdebtcollection.com) is a free matching service that connects U.S. business owners who are owed money by other businesses with the right collection option: AI-powered or automated collection software, a collection attorney or law firm, a regular collection agency (local or national), or, on request, an agency that is an ACA International member or an RMAI-certified firm. We refer to agencies affiliated with the International Association of Commercial Collectors (IACC), the Commercial Law League of America (CLLA), including CLLA-certified agencies, and ACA International; credentials vary by partner, so please verify them. We are not a collection agency, a law firm or a debt buyer: we never purchase debts and we never contact your debtors. Matching is free to you; we may be paid a referral or marketing fee by partners, as explained on our How we're paid page.
Sources: Commercial Law League of America, “Probability of Recovering Commercial Debt with Age”; IACC, “Commercial Collection Guidelines for Credit Grantors” (2018); Business News Daily, “The Best Collection Agency Services” (page last updated Oct 17, 2024) (accessed Oct 18, 2026).
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