Why Late Payments Happen
Late payments usually aren't malicious — they happen because: invoices got lost in email, the client forgot, the accounts payable process takes time, cash flow issues on their end, or unclear payment instructions. Understanding the cause helps you respond appropriately.
Prevention: The Best Late Payment Strategy
The best time to handle late payments is before they happen:
- •Require deposits from new clients (50% upfront)
- •State payment terms clearly on every invoice (specific due date, not just "Net 30")
- •Include late payment fee terms on every invoice
- •Send invoices immediately — don't batch them
- •Send a payment reminder 3 days before the due date
- •Build relationships — clients pay people they like faster
Day 1 After Due Date: The Polite Reminder
Send a brief, friendly reminder. Assume good faith — it may have simply been missed. Email subject: "Friendly reminder: Invoice #INV-001 ($1,200) was due yesterday". Keep the tone professional and non-accusatory. Include the invoice as an attachment and your payment details.
Day 7: The Follow-Up
If no response, send a firmer follow-up. Reference the original reminder, state the amount overdue and any late fees accumulating, and ask for a specific payment date. Consider calling instead of emailing — phone calls are harder to ignore than emails.
Day 14-30: Escalation
At this point, formalize your communication. Send a letter (email is acceptable) referencing all previous contact, the total amount owed including late fees, and a final deadline (e.g., 7 days) before you take further action. State clearly what "further action" means: collection agency, small claims court, or stopping future work.
When to Use a Collection Agency
For amounts worth pursuing (typically $500+), a collection agency recovers the debt in exchange for a percentage (typically 25-50% of the amount collected). A "demand letter" from an attorney is cheaper and often more effective for commercial clients — many will pay rather than face legal involvement.
Small Claims Court
Small claims court is designed for ordinary people without lawyers. Limits vary by jurisdiction (typically $2,500-$25,000 in the US). For invoices within this range, filing a small claims case is often the most cost-effective option — filing fees are low ($30-100) and the client usually pays rather than appear in court.
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Create Free Invoice →Frequently Asked Questions
When should I follow up on a late invoice?
Send a polite reminder on the first day after the due date. Don't wait longer — the longer you wait, the older the debt and the harder it is to collect.
Can I charge interest on a late invoice?
Yes, if you stated your late payment fee policy on the original invoice. A typical rate is 1.5-2% per month on the outstanding balance. Without prior notice of the policy, charging late fees may not be enforceable.
What if a client refuses to pay?
Document everything (all invoices, emails, contracts). Send a formal demand letter. If the amount is under your jurisdiction's small claims limit, file in small claims court. For larger amounts, consider a collections attorney.