Invoicing Essentials | SumUp Invoices

Invoicing Essentials

Become an expert in invoicing and optimise your business accounting.

Invoices

How to create an invoice

Zero-rated and VAT-exempt products or services & your invoices

When to use an invoice vs. a quote

When should I issue an invoice?

Time limits for issuing invoices

Should I put my UTR number on my invoices?

Proforma invoices and VAT

Online invoices vs. paper invoices

Updating your invoice numbers in the new year

Invoice vs. VAT invoice

Credit notes & other sales documents

How to legally change an invoice with a credit note

What is a quote and how do you write one?

The role of a credit note in invoicing

Invoice, proforma invoice, quote, delivery note - differences and functions

How to correct an incorrect invoice

Should I send my customer a quote or a proforma invoice?

Delivery note templates for Word and Excel

Invoicing Software

Invoicing software for freelance architects

Invoicing software vs. Excel

Invoicing software for freelancers and small businesses

Is it mandatory to use invoicing software?

Getting started with SumUp Invoices

The benefits of online invoicing software

The different types of invoicing software

Invoice payments

Can you use a proforma invoice for a deposit?

What are invoice payment terms?

How to manage overdue invoices

What is a payment receipt?

Managing deposits with invoicing software

How to apply late fees to invoices

The advantages of online payments for your invoices

Invoice templates

VAT-exempt invoice templates

Proforma invoice vs. completed invoice template

Invoice templates for sole traders

Freelance copywriter? Make your invoices as easy to understand as your copy

Invoice template with multiple VAT rates

Invoice templates for graphic designers

Invoice templates for plumbers

Invoice templates for photographers

Invoice template for language courses

Self-employed invoice templates