Run it with less chaos · Every business
Getting Paid on Time: Collections Without Losing the Customer
Payment terms set before the job and a calm, scheduled sequence of reminders after it bring late money in without turning a regular into a former customer.
At a glance
- Collections is the part of the service that happens after the work is done: the terms set before the job, the invoice at the end of it and the reminders that follow until the bill is paid.
- Cash timing is a widespread strain; in the Federal Reserve's 2024 survey of 7,653 small employer firms, 51% named uneven cash flow as a financial challenge and 56% reported trouble paying operating expenses.
- For an illustrative business with $300,000 in annual revenue, cutting the average time to get paid from 45 days to 15 frees about $24,658 in cash that was sitting in customers' hands.
- Set payment terms before the work starts, invoice the day the job ends and run the same reminder sequence for every customer, with a payment plan offered before anything escalates.
General information, not legal/tax/financial advice; talk to a licensed professional about your situation.
Part 1 | Late money is a cash problem before it is a customer problem
Every invoice that sits unpaid is a short, interest-free loan from the business to the customer, and a small business is rarely in a position to lend. The amount on loan at any moment is easy to estimate; divide annual revenue by 365 and multiply by the average number of days it takes customers to pay, and the result is roughly what your receivables hold.
That cash has to come from somewhere while it is out, and the Federal Reserve's survey shows where it usually comes from; among small firms that faced financial challenges in 2024, 51% used the owner's personal funds and 48% drew down cash reserves. The owner who thinks they always pay eventually may be right about every customer and still be paying for the wait.
Part 2 | Design the payment before, during and after the service
Collections works best as part of the service design rather than as a separate, uncomfortable task. Before the job, the terms go in writing: the price or estimate, when payment is due, which ways to pay are accepted, whether a deposit applies and what happens if a bill runs late. During the job, the customer hears about anything that changes the price before it changes, because a surprise on the invoice gives a customer a reason to wait. After the job, the invoice goes out the same day with a clear due date and a link to pay, and the reminders run on a schedule rather than on the owner's mood.
Research on reminders suggests that a simple, well-timed nudge does much of the work. In a randomized trial with a lender's borrowers, published as an NBER working paper, simple reminders and small incentives raised the probability of paying on time by 7 to 9% and cut average lateness by about two days a month, and the authors found the reminder effect comparable to a 25% cut in the interest rate. A field experiment with more than 200,000 UK taxpayers, published in the Journal of Public Economics, found that reminder letters noting that most people pay on time raised payment, so a friendly mention that most customers pay within the stated terms is worth including.
| When | Channel | What to say |
|---|---|---|
| Job day | Email or text with pay link | "Thanks for having us out today. Your invoice for [amount] is attached and due by [date]; you can pay here: [link]." |
| 3 days before due | Text or email | "A friendly reminder that invoice [number] for [amount] is due on [date]. Most of our customers pay through the link, which takes about a minute." |
| 7 days late | "Invoice [number] is now a week past due. If anything about the work or the bill doesn't look right, reply here and we'll sort it out." | |
| 14 days late | Phone call | "I'm calling about invoice [number]. Is there anything holding it up, and would splitting it into two payments help?" |
| 30 days late | Letter or email | "Invoice [number] for [amount] is 30 days past due. Please pay by [date] or call us to set up a payment plan." |
| 45 to 60 days late | Final written notice | "This is our final notice before we refer invoice [number] to [small claims court or a collection agency] on [date]." |
Part 3 | Escalate in writing, and know which rules apply
The step from friendly reminders to formal collection puts the relationship most at risk, so it should come late, in writing, after a payment plan has been offered. A plan that splits the balance into two or three payments gives a customer who is short this month a way to pay, and it recovers the money without turning a regular into a former customer.
When a bill does need to go further, the rules depend on who is collecting. The Consumer Financial Protection Bureau explains that the federal Fair Debt Collection Practices Act covers collection agencies, debt buyers and lawyers collecting consumer debts, and generally does not cover collection by the original creditor; it also notes that some state laws do cover original creditors, so check your state's rules before you send a final notice, and keep every message factual and polite. Small claims court limits and procedures vary by state.
| Annual revenue (Assumption) | $300,000 |
|---|---|
| Revenue per day (Calculated ($300,000 ÷ 365)) | $822 |
| Average days to get paid today (Assumption) | 45 |
| Average days to get paid with terms, same-day invoices and reminders (Assumption) | 15 |
| Cash in unpaid invoices today (Calculated ($300,000 ÷ 365 × 45)) | $36,986 |
| Cash in unpaid invoices after (Calculated ($300,000 ÷ 365 × 15)) | $12,329 |
| Cash freed, one time (Calculated) | $24,658 |
Illustrative example; replace every assumption with your own numbers.
How you compare
- Cash strain: about half of small employer firms (51%) named uneven cash flow as a financial challenge in the Federal Reserve's 2024 survey, so slow payments are a common problem rather than a sign that something is uniquely wrong with your customers.
- Your cushion: the JPMorgan Chase Institute found the median small business held 27 days of cash outflows in reserve. If your average days to get paid is longer than your cash buffer, a few slow invoices can stop payroll.
- Your own baseline: list every open invoice by age (current, 1 to 30, 31 to 60, over 60 days) and work out your average days to get paid. Check it again in a month after running the sequence above.
Questions to ask this week
Do customers see our payment terms before the work starts? If the terms first appear on the invoice, move them to the estimate or booking confirmation.
How many days pass between finishing a job and sending the invoice? Each of those days adds to the wait.
Which invoices are over 30 days, and has anyone offered a payment plan? Start with the largest.
Is every reminder on a schedule, or only when someone remembers? Set them up once in your invoicing tool.
What happens at day 60, and who decides? Write the rule down so it is the same for every customer.
The next step is to pull your open invoices, sort them by age and send the matching message from the sequence above to each one this week.
About this research: This article draws on the Federal Reserve Banks' 2024 Small Business Credit Survey of 7,653 employer firms, a randomized trial of payment reminders published as an NBER working paper, a field experiment with more than 200,000 UK taxpayers in the Journal of Public Economics, the JPMorgan Chase Institute's study of cash balances at 597,000 small businesses and CFPB guidance on debt collection. The reminder trial and the tax experiment were not run with service businesses, so their effect sizes are indications, not forecasts. The worked example is illustrative.
Sources
- Federal Reserve Banks. 2025 Report on Employer Firms: Findings from the 2024 Small Business Credit Survey. 2025. 7,653 employer firms.
- Cadena, X. and Schoar, A. Remembering to Pay? Reminders vs. Financial Incentives for Loan Payments. NBER Working Paper 17020, 2011.
- Hallsworth, M., List, J., Metcalfe, R. and Vlaev, I. The Behavioralist as Tax Collector: Using Natural Field Experiments to Enhance Tax Compliance. Journal of Public Economics 148, 2017. More than 200,000 individuals.
- Consumer Financial Protection Bureau. What laws limit what debt collectors can say or do?
- Farrell, D. and Wheat, C. Cash is King: Flows, Balances, and Buffer Days. JPMorgan Chase Institute, 2016. 597,000 small businesses.
Related reading: Invoices That Get Paid Faster: What to Include and When to Send · Following Up Without Being Annoying: A Simple Post-Service Sequence · Cash Flow, Not Sales, Is Why Many Small Businesses Fail · How Big a Cash Reserve Should a Service Business Keep? · Cash Flow for Contractors: Deposits, Progress Payments and Retainage
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