Invoicing guides
Practical, example-led invoicing guides
How to structure an invoice, number it, choose payment terms and avoid the mistakes that delay payment. Written for people who send their own invoices, not for accountants.
All guides
- 7 min read
How to Create an Invoice (Step-by-Step Guide)
A practical walkthrough of building an invoice from scratch: the fields you must include, how to lay them out, how to calculate totals, and how to send it.
Read the guide - 6 min read
How to Write an Invoice That Gets Paid Faster
The wording of an invoice affects how quickly it clears approval. Line item phrasing, subject lines, terms and follow-up templates that reduce payment delays.
Read the guide - 5 min read
Invoice Numbering: Formats, Rules and Common Systems
How invoice numbering works, which formats are safe, how to handle multiple clients or years, and what to do about gaps, duplicates and credit notes.
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Freelance Invoicing: A Practical Guide
How freelancers should structure invoices: hourly versus fixed fee, deposits, milestone billing, expenses, international clients and chasing late payment.
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Small Business Invoicing: Process, Records and Cash Flow
Build a repeatable invoicing process for a small business: who invoices, when, how records are kept, how to track outstanding payments and improve cash flow.
Read the guide - 6 min read
Consultant Invoicing: Retainers, Milestones and Expenses
How consultants should invoice: retainer wording, milestone billing against a statement of work, expense recovery, purchase orders and multi-stakeholder approval.
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Invoice vs Quotation: What Is the Difference?
Quotations, estimates, proforma invoices and invoices explained: what each document commits you to, when to send which, and how they convert into one another.
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Invoice Payment Terms Explained
What Net 30, Net 15, due on receipt, EOM, 2/10 Net 30 and CIA mean, which terms to choose, and how terms affect how quickly clients actually pay you.
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Common Invoice Mistakes and How to Avoid Them
The invoicing errors that cause most payment delays and disputes: wrong entity, missing PO, vague descriptions, tax order, duplicate numbers, and how to fix each.
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