List of Advertising Companies

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?"
Ranked by
  • Ad Astra Radio

    Ad Astra Radio

    Advertising is a unique online video advertising service that allows publishers and advertisers to match relevant advertising with online video content. The company uses advanced technology that adapts ...more
  • AdBrite
    AdBrite, Inc. was an online ad exchange, based in San Francisco, California, which was founded by Philip J. Kaplan and Gidon Wise in 2002. Originally founded as, the site was ...more
  • Adify
    Advertising, Technology, Internet Publishing and Broadcasting and Web Search Portal
    Adify focusesbrand-driven advertising networks. Adify's partners are able to extend their brands, increase their reach and grow their revenue by using Adify to aggregate niche, high-quality content ...more
  • AdKeeper


    AdKeeper is an online advertising platform that allows consumers to keep online ads for future use. A button is inserted into advertising creative elements, and is visible to users as a small button ...more
  • Dentsu Aegis Network
    Media, Advertising, Search Engine Optimization
    Dentsu Aegis Network Ltd. is a multinational media and digital marketing communications company headquartered in London, United Kingdom, and a wholly owned subsidiary of Dentsu. Its principal ...more