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Invoicing guides: examples and practical advice

Make your next invoice easier to manage. Learn how to choose invoice numbers, follow up on overdue payments and decide when a spreadsheet or invoicing software fits your business.

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Practical help for your next invoice

Invoice numbering: a simple system that keeps records clear

Choose an invoice numbering format with practical examples. Keep records consistent when changing software, starting a new year or following up on payment.

Payment reminder emails: two examples for overdue invoices

Write a clear payment reminder with two business email examples, a pre-send checklist and practical ways to follow up on an unpaid invoice.

Excel invoices or invoicing software: choose your workflow

Compare an Excel invoice template with invoicing software. Learn when a spreadsheet works well and how to switch while keeping your records connected.

Put the advice into your next invoice

Create branded invoices, reuse customer details and keep track of your invoices on desktop and mobile.

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Invoice Simple logo in negative colors

Create professional invoices and quotations quickly and easily with Factuur Simpel. Our invoices and quotations fully comply with the rules of the tax authorities.

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