How to ask for payment politely when self-employed

Most self-employed people don't struggle to do the work. They struggle to ask for the money. You've done a good job, the customer is friendly, and the invoice is still sitting there unpaid. Sending a message feels rude.

It isn't. Asking for payment is part of the job. Here's how to do it politely, step by step, with wording you can copy.

Step 1: Make the ask easy before there's a problem

The politest payment request is the one you never have to send. Before you start, tell the customer the price, when you'll invoice and when you expect to be paid.

If you want help with the invoice itself, I wrote a guide on how to write an invoice as a sole trader. Put the due date on it in plain words.

It also helps to know the default. If you haven't agreed a date with a business customer, GOV.UK says the payment is late 30 days after the customer gets the invoice, or 30 days after you deliver the service if that's later. If you do agree a date, it can usually be up to 60 days for business transactions. A longer period is allowed, but it must be fair to both businesses.

So write the date down. Then a later reminder isn't a surprise. It's just the plan.

Step 2: Send the invoice the same day

A reminder is easier to send when the work is fresh. I explained why in when to send an invoice. The short version: the sooner it goes out, the sooner the clock starts.

Step 3: Send a friendly nudge on the due date

Don't wait a week. On the due date, or the day after, send a short message. Assume the best. Most late payments are someone forgetting.

Here's a message you can use:

Hi Sam, hope you're well. Just a quick reminder that invoice 0042 for £180 was due today. Here's the link to pay in one tap. Let me know if anything's unclear. Thanks!

It's short. It gives the invoice number, the amount and a way to pay. It doesn't apologise for existing.

Step 4: Follow up once, with a clear date

If nothing arrives after a few days, send a second message. This one is a little firmer, but still warm.

Hi Sam, I haven't seen payment for invoice 0042 (£180) yet. Could you let me know when I can expect it? If there's a problem with the invoice, tell me and I'll fix it today.

Two things make this work. You ask a direct question, so the customer has to answer. And you offer to fix a problem, which gives them an easy way to tell you why they haven't paid.

Wording that I'd avoid: "Per my last email", "As previously stated" and "I'm afraid I must insist". They sound cold, and they start arguments.

Step 5: Say what happens next, calmly

If you still hear nothing, tell the customer what you're allowed to do. Say it as a fact, not a threat.

For business customers, GOV.UK says you can charge interest at 8% plus the Bank of England base rate, unless your contract sets a different rate. You can also claim a fixed sum for debt recovery costs, once per payment. The amounts are £40 for debts up to £999.99, £70 for £1,000 to £9,999.99, and £100 for £10,000 or more.

GOV.UK describes these rules as being for when another business is late paying. The pages don't say how they apply to individual customers, so check before you quote them to someone who isn't a business.

A calm message might read:

Hi Sam, invoice 0042 is now 14 days overdue. I'd like to sort it this week. If I don't hear back by Friday, I'll need to add the late payment interest the law allows. I'd much rather not, so a quick reply would help.

Notice what it does. It gives a date. It names the consequence once. It leaves the door open.

I've covered the maths in late payment interest in the UK, and the longer chasing process in how to chase an unpaid invoice.

A few habits that keep it polite

• Use the customer's name. It reads like a person, not a system.
• Keep every message to a few lines. Long messages feel like a telling-off.
• Include the way to pay each time. Don't make them hunt for the bank details.
• Stick to one channel. If you agreed the job on WhatsApp, chase on WhatsApp.
• Stay factual. Invoice number, amount, due date. No guessing about why.

Say you're a self-employed cleaner with a £180 invoice. Three short messages over two weeks is normal. That's not nagging. That's running a business.

My take

I think the awkwardness comes from treating the reminder as a confrontation. It isn't. It's admin. The customer agreed to pay, you're keeping the record straight, and the polite thing is to make it quick and clear for both of you.

That's why we built Vcents around WhatsApp. You can send a payment request and a pay link in the same chat where you already talk to your customers. Nothing to learn, and the reminder is one message.

Sources

• GOV.UK: Agree payment terms, fetched 26 October 2026
• GOV.UK: Charging interest on late commercial payments, fetched 26 October 2026
• GOV.UK: Claim debt recovery costs on late payments, fetched 26 October 2026
• GOV.UK: Late commercial payments, interest and debt recovery, fetched 26 October 2026