Free Consultant Invoice Template
Create a professional consulting services invoice for hourly, project, or retainer billing. Includes line items for all consulting work types, a proforma invoice format, and an online payment link your clients can use instantly. What to include on a consulting invoice: your consultancy name and contact information, client name and project reference, invoice number, date, and payment due date, itemized line items for work delivered, your hourly rate or project fee, payment terms, and payment instructions. Hourly billing: list each session or work block with the number of hours, hourly rate, and description of work. Include the engagement or retainer reference. Project billing: list the deliverable and the agreed project fee. Reference the approved proposal or statement of work. Retainer billing: list the retainer period and the monthly fee. Specify what is included in the retainer scope and what triggers additional billing. Proforma invoices: a proforma invoice is a preliminary invoice sent before work begins or before final delivery — useful for deposits or advance billing for consulting engagements. Payment link: every invoice created in Duevero includes a secure link your client can open in any browser. Eligible invoices can be paid online by card when you connect your Square account. Answers common consulting invoice questions including what to include, billing by project or hourly rate, and what distinguishes a proforma invoice.