Include: your business name (or name), contact details, client information, invoice number and date, detailed service descriptions, rates/hours or project fees, payment terms, due date, and accepted payment methods.
Offer multiple payment options (bank transfer, PayPal, credit card), invoice promptly upon completion, send reminders before due dates, offer early payment discounts, and clearly state payment terms upfront.
Yes, including late fees (typically 1-2% per month) in your terms can encourage on-time payment. Always disclose late fee policies before starting work and include them on your invoice.
Requirements vary by location and industry. Many freelancers operate as sole proprietors without a formal business license, but check your local regulations. You'll need proper tax registration regardless.
Use invoicing software like Harvest to automatically track sent invoices, payment status, and outstanding balances. This saves time, reduces errors, and provides clear financial records for tax purposes.