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Home / Guides / Invoice vs Quotation vs Sales Order — Simple Explanation for SMEs
5 min read

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In this guide

  1. Quotation
  2. Sales order
  3. Invoice
  4. Comparison table
  5. Example scenario
  6. How WasliPay connects them

What is a quotation?

A priced offer sent before commitment. No sale, no receivable, no tax point yet.

What is a sales order?

An accepted quotation — a confirmed agreement to deliver. It tracks what's ordered, not yet billed.

What is an invoice?

The bill issued on/after delivery. It creates the receivable and the output VAT.

Simple comparison

DocumentPurposeCreates a receivable?Tax point?
QuotationOffer a priceNoNo
Sales orderConfirm the dealNoNo
InvoiceRequest paymentYesYes

A quick example

You quote a client SAR 5,000 for a project. They accept — that becomes a sales order. You finish the work and issue an invoice for SAR 5,000 + VAT. They pay, and the payment clears the invoice. Same numbers, four clear stages.

How WasliPay connects them

WasliPay links all three so you convert a quotation into a sales order and then an invoice without retyping — and see exactly where each deal stands.

FAQ

Which document charges VAT?+
Normally the invoice is the tax point, not the quotation or sales order.
Do I always need a sales order?+
No. It's useful for confirmed orders you'll deliver over time, but simple sales can go straight to invoice.
Can WasliPay convert between them?+
Yes. Quotation → sales order → invoice, with details carried over.
This guide is for general information only and does not replace professional tax or accounting advice.
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