List of the top advertising companies in the world, listed by their prominence with corporate logos when available. This list of major advertising companies includes the largest and most profitable advertising businesses, corporations, agencies, vendors and firms in the world. If you are wondering what the biggest advertising companies are, then this list has you covered. This list includes the most famous advertising companies in the industry, so if you're thinking of working in the advertising industry you might want to look to these companies for jobs. This list includes names of both small and big advertising businesses.
Everything from Google to ValueClick is included on this list.This list answers the questions, "What are the biggest advertising companies in the world?" and "What are the most successful advertising companies?"