A marketing agency is a company that specializes in promoting products or services for other 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 tailored campaigns that aim to increase brand awareness and sales. These agencies often employ a team of experts, including graphic designers, copywriters, and digital marketers, to deliver comprehensive services. Clients can choose to work with a full-service agency or select specific services based on their needs, allowing for flexibility in marketing efforts.