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Invoicing4 min read

How to write a business quote in South Africa

By SortedNexus Team ยท ShellRick Tech ยท 1 July 2025

A quote is often the first document a client sees from you. Get it right and it sets the tone for the whole relationship.

Quote vs invoice: what is the difference?

These two documents are easy to confuse, but they serve completely different purposes:

Quote (Quotation)

  • โ†’ Sent before the work begins
  • โ†’ Offers to do work at a stated price
  • โ†’ Not a demand for payment
  • โ†’ Client must accept before work starts
  • โ†’ Has a validity period (typically 30 days)

Invoice

  • โ†’ Sent after the work is done (or milestone reached)
  • โ†’ Requests payment for goods/services delivered
  • โ†’ Is a demand for payment
  • โ†’ Has a due date
  • โ†’ Can be followed up legally if unpaid

A quote that is accepted by the client forms the basis of a contract. Your invoice should reflect exactly what was quoted. If the scope changed, discuss and agree on a revised quote before invoicing above the original amount.

What to include in a business quote

There is no legally prescribed format for a quote in South Africa, but a professional quote should include:

โœ“
The word "QUOTATION" or "QUOTE": Make it clear this is an offer, not a demand for payment.
โœ“
Your business name and contact details: Your name (or trading name), phone number, email, and address.
โœ“
Quote number: A unique reference number, helpful for both you and the client to track communications.
โœ“
Date of issue and validity date: State when the quote was prepared and when it expires (typically 30 days).
โœ“
Client name and contact details: Who the quote is addressed to.
โœ“
Detailed description of work or goods: Enough detail that the client knows exactly what they are accepting. Vague descriptions lead to scope disputes.
โœ“
Itemised pricing: Each deliverable or line item with its own price. Avoid quoting a single lump sum where possible.
โœ“
VAT (if applicable): If you are VAT-registered, show VAT separately at 15%. If not, state "VAT not applicable" or "Prices exclude VAT" as appropriate.
โœ“
Total amount: The bottom-line figure the client will pay if they accept.
โœ“
Payment terms: When payment is due once the work is complete, e.g. "Net 30 from invoice date".
โœ“
Acceptance method: How the client should accept: reply by email, sign and return, or use an online link.

Quote validity periods

Always include a validity period. Without one, a client could theoretically accept a quote months later at prices that no longer reflect your costs, and you could be contractually bound to honour it.

Standard validity periods in South Africa:

  • โ†’7โ€“14 days for time-sensitive work (event photography, urgent builds, perishable goods).
  • โ†’30 days is the most common standard for services and professional work.
  • โ†’60โ€“90 days for large construction, fitout, or supply contracts where the client needs internal approval time.

Is an accepted quote legally binding?

Yes. Under South African contract law, when a client accepts your quote, whether in writing, by email, or verbally, a contract is formed. The quote defines the scope, price, and terms. If the client refuses to pay after accepting and you completing the work, the accepted quote is your primary evidence of what was agreed.

For this reason, always get written acceptance. An email reply saying "Please go ahead" is sufficient, but be cautious with verbal-only agreements for any work above a few thousand rand.

Scope creep: If a client asks for additional work beyond what was quoted, issue a revised quote or a separate supplementary quote before doing the extra work. Doing it and invoicing later leads to disputes. A short email with the updated scope and price, confirmed by the client, is all you need.

Tips for getting quotes accepted

  • โœ“Send promptly. Quote within 24โ€“48 hours of enquiry while the client is still actively considering. Slow quotes lose business.
  • โœ“Be specific. Vague quotes are harder to accept. A client comparing your detailed quote to a competitor's lump sum will trust yours more.
  • โœ“Show what is included and excluded. Listing exclusions (e.g. "hosting not included", "travel charged separately") prevents surprises and builds trust.
  • โœ“Follow up. A polite follow-up two to three days after sending usually moves things forward. Most clients who go quiet are just busy, not disinterested.
  • โœ“Make it easy to accept. Include a clear call to action, such as "Reply to this email to confirm" or "Sign and return the attached". Remove friction.

From quote to invoice in one step

SortedNexus is building a quote-to-invoice flow: create a quote, send it, and convert it to an invoice when the client accepts. No re-entering data. Coming soon in Phase 2. For now, create your invoice directly:

Create a free invoice โ†’

Sources

Disclaimer: This article is for general information only and does not constitute legal or financial advice. Consult a qualified attorney for advice on your specific contractual situation.