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What is Invoice?

A formal document sent to a client requesting payment for goods or services rendered, detailing the amounts, descriptions, and payment terms.

What Is a Freelance Invoice?

An invoice is a legal payment request that documents the work you've done and the amount owed. A proper invoice protects you legally, helps your client process payment correctly, and creates a paper trail for your accounting records.

What to Include on a Freelance Invoice

Required:

  • Your name, business name, and address
  • Your client's name and address
  • Unique invoice number
  • Invoice date and payment due date
  • Itemized list of services with descriptions and amounts
  • Total amount due
  • Payment methods and instructions
  • If VAT-registered (UK/EU):

  • Your VAT registration number
  • VAT amount per line item
  • Total excluding VAT and total including VAT
  • Recommended:

  • Late payment interest rate (e.g., "2% per month on overdue amounts")
  • Your bank details for direct transfer
  • Your invoice terms (Net 14, Net 30, etc.)
  • Common Invoice Terms

    TermMeaning
    Net 30Payment due 30 days after invoice date
    Due on receiptPayment expected immediately
    50% upfrontHalf paid before work begins
    Milestone billingPayment tied to project deliverables

    Freelance Invoice Best Practices

  • Send invoices immediately upon completing work or at month-end for retainers
  • Number invoices sequentially (avoids confusion)
  • Follow up automatically at 7 and 14 days if unpaid
  • Use invoicing software (FreshBooks, Bonsai, Wave) to track payment status
  • Related Calculators

    Related Terms

    Related Comparisons

    Invoicing, Tax & Tools

    Bill clients, track time, and file taxes — software built for the self-employed