Invoice app guide

Trade invoicing made easy.
Say the job.
Get paid.

The best invoice app for a trade business should be fast on mobile, easy to use after a job, and strong enough for quotes, invoices, VAT, and payment tracking.

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Tap to speak your next invoice.

Quote
Invoice

Useful for UK trade paperwork

Templates Quotes Invoices Payment terms WhatsApp PDFs

Northfield Services

accounts@northfieldservices.co.uk

INVOICE

SI-0042

Billed To

Harbour Property Services

18 Market Street, Worcester

Labour and materials £150.00
Payment terms £45.00
Subtotal£195.00
VAT (20%)£39.00
Total Due £234.00
Invoice app guide

What to look for in an invoice app for tradesmen

The best invoice app for a trade business should be fast on mobile, easy to use after a job, and strong enough for quotes, invoices, VAT, and payment tracking.

  • Your logo and business details perfectly formatted.
  • Bank details and payment terms automatically attached.
  • Pre-written messages for WhatsApp or email.

What to look for in an invoice app for tradesmen

Try SayInvoice with 5 free documents and see if voice-powered invoicing fits your workday.

What matters most

  • Fast invoice creation from site or the van.
  • Quote-to-invoice workflow.
  • Saved customer details.
  • VAT, payment terms, and bank details.
  • Professional PDF sharing by WhatsApp or email.

Where SayInvoice fits

  • SayInvoice is built for tradespeople who would rather speak the job than fill in forms.
  • It is strongest when speed, mobile use, and repeat customers matter.
Example wording

A practical example you can use.

Start with the customer name, job details, materials, price, VAT and payment terms. SayInvoice turns that into a draft PDF you can check before sending.

Create one in SayInvoice
Useful next pages
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Remembers Customers

Say their name once. The app remembers addresses and details for future jobs.

Private Site Notes

Save gate codes, pets, or parking rules safely. They never print on invoices.

Does the Maths For You

Say the raw numbers, and the app calculates subtotals, VAT, and totals.

Unlimited Paid Use

Invoice Only includes unlimited invoices. Pro includes unlimited quotes and invoices.

Accountant Export in 3 Clicks

Choose the period, choose document types, then download a workbook or PDF pack.

Track What You're Owed

Save drafts, search your history, and see quotes and invoices clearly.

More help More trade invoice guides Open guides

Straight answers.

No tech jargon, just how it works for your business.

Is this only a template page?

No. The page gives practical guidance, but it also shows how SayInvoice can create the same kind of document faster from spoken job notes.

Can I send the document by WhatsApp?

Yes. SayInvoice creates a professional PDF that can be shared by WhatsApp or email after you check it.

Do I need a card to try SayInvoice?

No. You can start with 5 free documents before choosing a paid plan.

Plans from £14.99/month.

Invoice Only gives you unlimited invoices, remembered clients, and accountant export. Pro is £18.99/month for unlimited quotes and invoices, smarter insights, private notes, and more.

Start Free Trial

5 free documents to start. No card needed.