Insurance software maker Guidewire said it will acquire London-based hyperexponential for $1.7bn in cash, with up to $400m more tied to recurring revenue targets. Hyperexponential sells AI-native underwriting and pricing software to commercial property and casualty insurers. Guidewire expects completion in the second quarter of its fiscal 2027 and plans to part-fund the deal with a $1bn term loan. hyperexponential is a London-based company whose listed customers include Aviva and Beazley.