Invoice knowledge base
Become an expert in invoicing and optimise your business accounting.
How to create an invoice
Do I need to put bank details on my invoices?
Proforma invoices and VAT
When to use an invoice vs. a quote
How to include commission on your invoices
Can payment be made on a proforma invoice?
Adding extra information to your invoices
Accounting for unpaid invoices
5 common invoice mistakes and how to avoid them
Updating your invoice numbers in the new year
Credit notes & other sales documents
Can I claim business expenses without a receipt?
Delivery note templates for Word and Excel
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?
What is a quote and how do you write one?
How to legally change an invoice with a credit note
The role of a credit note in invoicing
How to account for a refund if a customer overpays their invoice
Can you use a proforma invoice for a deposit?
How to apply late fees to invoices
What is a payment receipt?
The advantages of online payments for your invoices
What are invoice payment terms?
Managing deposits with invoicing software
How to manage overdue invoices
VAT between the UK and the US
Self-employed invoice templates
Freelance copywriter? Make your invoices as easy to understand as your copy
VAT-exempt invoice templates
Proforma invoice vs. completed invoice template
Invoice templates for sole traders
Invoice template with multiple VAT rates
Invoice template for language courses
Invoice templates for auto garages
Invoice templates for graphic designers
Invoice templates for plumbers