# Where service businesses lose money between the quote and the invoice

_Systems & Operations · updated 2026-08-29 · 7 min read · Altiora Business Development Ltd_

The money leaks in five places: quotes sent too slowly, quotes nobody follows up, work done outside the agreed scope, invoices raised long after the job, and invoices nobody chases. None of them appear on a profit and loss statement. All of them are fixed with process, not more marketing.

## Key takeaways

- Revenue leakage is invisible in your accounts, which is why it survives.
- The first credible quote in often wins, regardless of price.
- Most quotes get sent once and never followed up.
- Late invoicing is self-inflicted late payment.
- Closing existing leaks is cheaper than generating new leads.

## The five leaks

1. **The slow quote** Speed signals competence. If a customer contacts three firms and yours arrives fourth, price stops mattering.
2. **The unchased quote** Most quotes are sent once and left. A quote is not a decision, it is the start of one, and the follow-up is where the decision gets made.
3. **Scope creep** The extra half-day, the additional visit, the while-you're-here. Individually trivial, collectively a margin problem.
4. **The late invoice** Raised days or weeks after completion because invoicing sits outside the job process. Every day of delay is a day added to the payment clock.
5. **The unchased invoice** No structured reminder sequence, so chasing depends on someone remembering.

> Nearly two-thirds of invoices sent by UK small businesses in the past year were paid late, and the average payment delay across UK firms now sits at around 32 days. Some of that is customer behaviour. A meaningful part is process.

## How to find your own leak

Pull four numbers from the last three months. They take an afternoon and they will tell you where you are losing money.

| Number | How to measure it | What good looks like |
| --- | --- | --- |
| Enquiry to quote | Median days between first contact and quote sent | Under two working days |
| Quote win rate | Quotes accepted divided by quotes sent | Know your baseline, then improve it |
| Job complete to invoice | Median days between finishing and invoicing | Same day |
| Invoice to paid | Median days between invoice sent and payment received | Within your stated terms |

The gap between any of these and the target is your leak, expressed in days. Multiply the days by your average job value and you have it in pounds.

## The fixes, in order

1. **Template the quote** Standard services priced in advance, so a quote is assembled rather than written from scratch.
2. **Follow up on a schedule** Day 2, day 7, day 14. Automated, so it happens whether or not anyone remembers.
3. **Write the scope down** A short written scope and a change note for anything beyond it. Extras get billed or they get declined, but they stop being free.
4. **Invoice at completion** Make raising the invoice a step in finishing the job, not a Friday admin task.
5. **Chase on a sequence** Day 0, day 7, day 14, day 30. Firm, polite, automatic.

## Why this beats more marketing

Every fix above works on demand you have already paid to create. A five-point improvement in quote win rate costs nothing in advertising and lands straight on the bottom line.

Marketing is the right answer when your pipeline is empty. When quotes are going out and not converting, more leads make the leak bigger, not smaller.

## Frequently asked questions

### How do I chase payment without damaging the relationship?

Make it systematic and unemotional. A scheduled reminder from the business reads as process. A personal chase on day 40 reads as a complaint.

### Should I take deposits?

For anything with material cost or a long lead time, yes. A deposit turns a payment problem into a commitment test.

### What is a reasonable quote win rate?

It varies too much by sector to give a number worth trusting. Measure yours, then move it. Your baseline matters more than anyone's benchmark.

### Will a CRM fix this on its own?

No. A CRM makes the process visible and automates the reminders. It does not decide your terms, your scope discipline, or who does the chasing.

## Sources

- [Coface 2025 UK Payment Survey](https://www.coface.com/news-economy-and-insights/2025-uk-payment-survey-companies-face-rising-payment-delays-amid-buyer-cash-flow-concerns)
- [Small Business Commissioner, late payments research](https://www.smallbusinesscommissioner.gov.uk/late-payments-research-2/)

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Source page: https://altiorabd.com/guides/quote-to-cash-revenue-leakage

Altiora Business Development Ltd, Leeds. enquiries@altiorabd.com