Advertising agencies are companies that help businesses promote their products or services. They create marketing strategies, design advertisements, and manage campaigns across various media, such as television, radio, and social media. By understanding their clients' needs, these agencies aim to reach the right audience and boost sales. These agencies often employ a team of creative professionals, including copywriters, graphic designers, and media planners. They work together to develop catchy slogans, eye-catching visuals, and effective messaging. Ultimately, advertising agencies play a crucial role in shaping how consumers perceive brands and influencing their purchasing decisions.