This invoice template is customized as an estimate template for engineering service business - for providing and fixing of curtains and curtain accessories, including curtains and blinds, awnings, canopies, garden umbrellas, to be specific.

The "Ship To" section now has a new title, "SITE ADDRESS", so in this section it is possible to fill in the location where the service to be performed.

The most significant feature of this service invoice template is that it includes 10 columns, and has complex relationship built between the cells/columns using Excel formulas to make the template meet the requirements of the intent service business. This provides a good example of the flexibility of Excel Invoice Manager, the billing software and invoicing software using Excel invoice template as its frontend, as it is able to apply formulas to create/define/build the relationships between cells and fields, while many other non Excel-based invoice programs allow you to customize just the style or format of the invoice form, such as fonts and colors.

This invoice template is built with an oil and gas development company in mind, who uses 10 columns on invoices, since they are reimbursed for travel, mileage expenses, etc. The oil and gas development company has contractual landmen, which are set as products in this situation. The oil and gas development company sends invoices to the companies the landmen work for, so the customer/client companies can bill their expenses and perdiem. Then customer/client sends a check, which the oil and gas development company distributes to each of the landmen.

For each client (or company), the oil and gas development company writes down a different message and project description. The fields related to the message and project description are added to both the Customer and Invoice Header database tables, so that you don't have to manually type in the content each time you create an invoice.

The service invoice template contains 11 columns on the invoice body that allows you to detail dates and hours, in addition to rate per hour, on the invoice body.