The template can be downloaded in PDF, Word, RTF, and Excel, and can be fully customized to the needs of the consultant. The Consultant Invoice Template is a document that is used to request payment for consulting services, record the personal information of the client and consultant, and layout the payment terms to the client.The billable amount per hour should be negotiated before the consultant begins their work and, once Consultant Hourly Rate ($/hr) Invoice Template The consultant hourly invoice is used to bill a client by the hour for consulting services, such as marketing, human resources, strategy, financial, etc.They are intuitive and in several kinds of formats, such as PDF, WORD, XLS (EXCEL including formulas and can calculate sums automatically), etc. Feel free to download this basic Consultant Invoice or any other invoice layouts and invoice designs we offer.