Diffblue secures £4.9m in new funding from investors including Citi to drive expansion
The oversubscribed round was anchored by IP Group, Parkwalk Advisors, and AlbionVC.
Diffblue develops autonomous generative artificial intelligence software designed to automate unit test generation for development teams. The firm serves major global financial institutions and corporate clients.
Oxford-based software firm Diffblue has secured £4.9m in new funding from backers including Citi to accelerate its commercial momentum. The investment follows a period of rapid customer adoption for the company's autonomous test generation platform. Existing supporters IP Group, Parkwalk Advisors, and AlbionVC also contributed to the oversubscribed round alongside Oxford University and private investors.
The newly acquired capital will support the business as it scales operations and expands access to its flagship platform for development teams globally. Diffblue continues to experience strong demand from enterprise clients seeking to automate software testing processes while maintaining capital efficiency.
From the founder
"Diffblue's deterministic AI technology, committed employees, blue chip customers, and visionary investors are a rare and enviable foundation on which a great company can be built. I'm grateful for all the good work that has been done to build the company to-date and excited for the opportunity ahead as we build a market leader in our space."
Toffer Winslow
CEO at Diffblue
Investor perspective
"There is a massive market opportunity for start-ups that figure out how to harness the potential of AI to transform how software gets built, tested, and deployed. Our investment in the company reflects our belief in its potential to be an important player in the next generation of AI-powered software development tools."
Iain Maclean
Global Head of Rates Technology, Citi
Investors
Mark Reilly
IP Group
Neil Cameron
Parkwalk Advisors
AlbionVC
Oxford University
Oxford Technology and Innovations EIS Fund
Iain Maclean
Citi
