Advertising and marketing agencies come in more than one shape and size. For instance, some agencies are “full-service” and set up to help you through every aspect of your marketing needs. Others are specialty or “niche” firms that concentrate on a particular area of the business. Depending on your needs, you might benefit more from one rather than the other. Let’s zoom in and take a peek at which might work best for your company. Full-Service Agencies A full-service ad or marketing agency is geared to become your “partner,” working with you to achieve your overall goals – e.g., greater.