Burp Suite was developed by PortSwigger, a cybersecurity company specializing in web application security.
The company was founded by Dafydd Stuttard, who is also the original creator of Burp Suite. He built it to help security professionals test and secure web applications more effectively.
Today, PortSwigger continues to maintain and expand Burp Suite, making it one of the most widely used tools in penetration testing and bug bounty programs.