SpiralHQ
Invoicing

Invoices that go out fast and get chased on time

Create an invoice, email it with the PDF attached, and send a reminder when it is late. Every one tracked from draft to paid, so you always know who owes you.

spiralhq.app/invoices/new
Bhavana Mahesh Studio
Invoice
INV-0087
Pending
Bill to
Acme Solutions Ltd
Due
14 Feb 2026
Brand identity design1£2,500.00
Landing page build1£1,700.00
Photography licence2£300.00
Subtotal£4,800.00
VAT (20%)£960.00
Total due£5,760.00
Pay by bank transfer
Account name, sort code and account number
Set up once

Invoices that look like you mean business

Add your company logo and bank details in Settings once. Every invoice carries them, and your client can open it from the emailed link without an account.

Your logo and bank details on every invoice
Saved products and services, ready to add
A VAT category on every line
Your invoice
Your logo
Payment reminders

Chase late payers in one click

When an invoice is still unpaid, open it and choose Reminder. SpiralHQ emails your customer with the invoice PDF attached, so you do not have to write that message again.

Reminder email with the invoice attached
Available on pending and part-paid invoices
Overdue status shown in the invoice list
Invoice sent
Mon 12 Jan
Overdue
Due 26 Jan
Reminder sent
You sent it from the invoice
Paid in full
£5,760.00
Live status tracking

Know exactly who owes what

Every invoice moves from draft to pending, part-paid and paid. See what is outstanding at a glance, and record each payment against the invoice it settles.

Draft to paid lifecycle
Record full or part-payments
Outstanding and overdue amounts at a glance
All invoices£1,984 outstanding
Acme Solutions£2,880PAID
Harbour & Co£1,240PENDING
Northwind£3,150PAID
Blue Wave£744 due of £1,488PARTIAL
Three steps

From blank page to paid

1
Create

Choose a customer, add your lines with a VAT category on each, and save it as a draft.

2
Send

Email it from SpiralHQ with the PDF attached. Your customer opens it from a link, no account needed.

3
Get paid

Record the payment when it lands, in full or in part. Your customer can get a receipt by email.

On the roadmap

Not built yet

We are working towards these. None of them is available today, and we are not promising dates.

  • Invoice templates and accent colours
  • Recurring invoices
  • Multi-currency invoices

Send your first invoice today

30 days free, no card required.