Marketing agencies are companies that specialize in promoting products or services for businesses. They use various strategies, such as advertising, social media, and public relations, to help clients reach their target audience. By understanding market trends and consumer behavior, these agencies create campaigns that aim to increase brand awareness and sales. These agencies often offer a range of services, including digital marketing, content creation, and search engine optimization (SEO). They work with clients of all sizes, from small startups to large corporations, tailoring their approach to meet specific business goals and budgets.