Serko Limited, a Software-as-a-Service technology business, provides online travel booking software solutions and expense management services in New Zealand, Australia, North America, Europe, and internationally. The company offers Zeno Travel, an online booking tool that corporate travelers use to book flights, trains, rental cars, hotels, and airport transfers in line with their corporate travel policies; and Zeno Expense, which automates the process of corporate card and out-of-pocket expense submission, reconciliation, and reimbursement. It also provides Serko mobile, a mobile app for iPhones and android devices that gives users access to information and travel booking functionality on their mobile devices. The company was founded in 1994 and is headquartered in Auckland, New Zealand.