A web development agency is a company that specializes in creating and maintaining websites and web applications. They work with clients to understand their business needs and goals, and then use a variety of web development technologies and techniques to build and deliver a custom solution.

Web development agencies typically have a team of developers, designers, and project managers who work together to create and deliver a website or web application. The developers are responsible for coding and building the website or web application using programming languages such as HTML, CSS, JavaScript, and various frameworks like React, Angular, and VueJS. The designers are responsible for creating the visual elements and user interface of the website, including layouts, colors, and typography. Project managers are responsible for coordinating the work of the team and ensuring that the project is delivered on time and within budget.

A web development agency can offer a wide range of services, including website design and development, e-commerce solutions, content management systems, and mobile app development. They can also provide ongoing support and maintenance services to ensure that the website or web application remains up-to-date and runs smoothly.