Tandem is a financial technology company that provides a mobile banking platform and services to customers in the United Kingdom. The Tandem platform is designed to help customers manage their finances and make informed financial decisions, by providing a range of tools and services, including budgeting, saving, and investing. Some of the specific capabilities of the Tandem platform include the ability to track and categorize spending, set and track financial goals, and receive personalized financial recommendations. Tandem is aimed at individuals and households, and is particularly well-suited for people who are looking for a convenient and user-friendly way to manage their finances and make the most of their money. The platform is available as a mobile app and can be accessed from a variety of devices and platforms.