Business Company Letterhead Design – Templates for letterheads may be difficult to work with, but there are some strategies that can you make your work simpler. In the beginning, let’s examine the various formats of letterheads. There are two primary types of letterhead formats, one-line and the double line format. We’ll discuss the differences among the two types before going to the basic concept behind letterhead templates. Your letterhead template for business will likely feature your company’s name, your logo an overview of your business, as well as contact information.