24 September 2026 · 6 min read
Payments & Terms
How to Write an Invoice That Gets You Paid Faster
Chasing an invoice rarely creates speed — by the time you are chasing, the document has already been through the client's system, and the outcome was decided there. What gets you paid faster is written into the invoice before it is sent: the day you send it, the reference it carries, and the clarity of the single number the client has to pay.
Payment speed is mostly decided in the first hour
A client's payment date is usually an output of their own routines: purchase orders raised, approval thresholds, payment runs on fixed days. Your invoice either fits into that machinery quickly or it waits in a queue it never joined. The first hour after you send decides which.
None of the levers in this article need new software or a negotiation. They are decisions about the document itself, and most of them take minutes to apply.
Send it the day the work ships
An invoice issued on delivery rides the client's approval cycle while the project is fresh in everyone's memory. The same invoice sent a week later — once the thrill of delivery has faded and a queue has formed ahead of it — is processed as a new task by people who may not know what it refers to.
The arithmetic is unforgiving. Finish a videography project on Friday 2 October 2026, invoice the same afternoon on Net 14 terms, and the due date is 16 October. Let a busy Monday push the invoice to the following week and every later milestone — approval, payment run, cleared funds — slides seven days with it. The work was identical; the cash arrives a fortnight apart.
This is also why the due date deserves to be written out in full on the invoice. "Net 14" and "16 October 2026" mean the same thing to you and different things to a tired admin: one needs interpreting, the other does not.
Make one number the answer
The fastest invoices answer a single question — how much, exactly — and leave no sub-questions behind. That means one total to pay, all bank details in one place, and receipts recorded as deposit lines rather than as running commentary in the notes.
Anything the client has to go looking for is a delay waiting to happen: a PO number buried in an email thread, banking details promised "on request", a VAT treatment that is implied rather than shown. Put every one of them on the page. The 12-point invoice checklist walks through those fields in the order a finance team looks for them.
The two-line fixes for common blockages
| What stalls an invoice | The fix written into the document |
|---|---|
| No purchase-order reference | One line: PO 48120, taken from the client's own confirmation email |
| A single vague line, "services rendered" | Named deliverables split across lines the client recognises |
| Banking details on a different attachment | Full bank details plus the reference, seeded from Settings so they cannot be forgotten |
| Wrong client entity or branch | The legal name from the signed quote, not the trading name in chat |
| No due date, or one that needs calculating | The exact calendar date, plus the term it comes from |
Worked example: R18,400, invoiced twice
A videographer completes a shoot day and an edit for a marketing agency. The work adds up to R18,400 across three lines, and this videographer is not registered for VAT, so there is no tax line to muddy the picture:
| Line | Detail | Amount |
|---|---|---|
| Editing | 20 hours at R620 | R12,400 |
| Travel | Shoot day, return trip | R1,500 |
| Media | Two 2 TB hard drives supplied | R4,500 |
| Total | R18,400 |
The first version of this invoice went out three days after delivery, described the edit as "post-production", and left the agency to guess which campaign it belonged to. It cleared on day 41 after two emails and one phone call.
The next job was invoiced the same afternoon it shipped. The lines named the campaign and the deliverable, the agency's PO number sat next to the invoice number, and the due date read "Net 14 — 30 October 2026". It cleared on day 9. The client did not become more generous between jobs; the document simply stopped asking the accounts team to do detective work.
The follow-up schedule that stays polite
- The day you send it: ask the client to confirm receipt, in one sentence. This is administrative, not a nudge — and it flushes out wrong-inbox problems immediately.
- One day past due: a short note quoting the invoice number, the amount and the date. "Checking INV-0192 reached the right place — it fell due on 16 October."
- One week past due: reply to your own note, attach the invoice again, and ask directly whether anything is outstanding on their side.
- Two weeks past due: move to a call, agree a specific new date in writing, and refer to your payment terms.
The tone never changes — the dates do the escalating, which is why the due date needs to be exact and visible from the first send.
What not to do
- Do not resend the same PDF with "URGENT" in the subject line; attach a fresh note instead so the thread reads as a sequence rather than an alarm.
- Do not add new charges after sending. A changed total restarts the client's approval, even when the change is in your favour.
- Do not bury the due date inside a paragraph of terms. The date belongs next to the total, where the person paying will look.
Frequently asked questions
Should I charge interest on late payment?
Only if your terms said so before the work started and you are prepared to apply it evenly. A late-interest clause that exists but is never enforced mostly signals that your deadlines are decorative.
Is it rude to remind a client on the due date?
A same-day reminder is administrative, not aggressive — it assumes good faith and asks a factual question. What feels rude is silence for three weeks followed by frustration; a routine sequence removes the sting either way.
Email or phone for chasing payment?
Use email until the invoice is at least a week overdue, because it leaves a trail, and switch to a call once the dates matter — a two-minute conversation often resolves what five emails cannot.
The editor handles the mechanical parts of speed: sequential numbers, dates from your payment terms, client details kept in one place, and an A4 PDF you can send the hour the work ships.
Write the next invoice