Big Blue officials has announced that the company has agreed to buy a company called Green Hat that has offices in London, UK, and Wilmington, Del.

IBM has announced a definitive agreement to acquire Green Hat, a leader in software quality and testing solutions for the cloud and other environments. Financial terms were not disclosed.

Upon the acquisition close, Green Hat will join IBM’s Rational Software business. When combined with the IBM Rational Solution for Collaborative Lifecycle Management, developers and testers can achieve unprecedented levels of efficiency, effectiveness, and collaboration while delivering quality software to their business.

“This acquisition extends IBM’s leadership in driving business agility and software quality by changing the way enterprises can manage software development cost, test cycle time and risk,” said Kristof Kloeckner, General Manager, IBM Rational. “Together, we offer the most complete solution available today for agile software development and testing, with flexible options such as the cloud. Green Hat’s application virtualization capabilities will help our customers accelerate their delivery of business critical software.”