Internet Marketing Company Also known as an ad agency,
Internet Marketing Company Also known as an ad agency, this company is solely responsible for the promotion or marketing of a certain company. The company handles the overall branding and may also handle sales for the company as well. These agencies are usually separate from the main company, however, they can still some times be staff in-house. Marketing companies came into existence at the end of the 18th century. Internet marketing companies merged into existence in 1990.