SI SayInvoice Voice invoicing for UK tradespeople
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How to get the best voice invoice result

SayInvoice works best when you clearly say the client name and address, the job, the amount, and whether VAT applies. This help page covers the basics for faster, cleaner invoice creation.

Speaking tip

Use one simple format

Example: “Sample Customer, 14 Example Street, boiler repair, £150 labour, no VAT.”

  • Say the client name and address first.
  • Say the work done in plain language.
  • Say the amount clearly.
  • Say “plus VAT”, “20% VAT”, or “no VAT”.

Saved clients

Repeat jobs get faster

Once a client has a saved invoice, you can often just say their name again and SayInvoice can reuse their saved address and email.

  • Save a draft, sent invoice, or paid invoice once.
  • Next time, say the client name again.
  • The app can reuse the saved address and email when it recognises the name.

Before sending

Always do a quick check

The app is designed to save time, but you should still review the invoice before you share it.

  • Check client spelling and address.
  • Check line items and labour quantities.
  • Check VAT and totals.

Billing

Trial and upgrade

The app gives you 5 free documents first. After that, Invoice Only is £14.99/month for unlimited invoices and remembered clients. Pro is £18.99/month for quotes, invoices, smart insights, private notes, and more.

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SayInvoice

Built for UK tradespeople who want invoicing done fast.

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