A PHP web development agency is a company or organization that specializes in creating websites and web applications using the PHP programming language. PHP is a popular server-side scripting language for web development, known for its versatility and compatibility with various web servers and databases. When looking for a PHP web development agency, it's essential to consider their portfolio, client testimonials, pricing, and their ability to understand and meet your specific project requirements. Collaborating with an experienced agency can help you create a robust and scalable web solution tailored to your business needs.