Work Order vs. Invoice. Work orders and invoices are used when a company or contractor performs services for customers and bills them for those services.

The work order should also contain the deadline for completion, a listing of the materials required for the job and the labor charge. Provide an address where the professional can send an invoice ...

Once you have completed an order—be it a product or service—it’s time to create an invoice and get it out as soon as possible. Of course, there are a few steps between the two, from whether ...