TCS Holding (formerly TCS Group) is a financial holding company that includes Tinkoff Bank, the brokerage "Tinkoff Investments", "Tinkoff Insurance", the mobile operator "Tinkoff Mobile", and other digital financial and lifestyle services. Since its foundation in 2006, the Group has developed a full range of technological solutions and services in areas such as internet banking, brokerage services, merchant acquiring, insurance, banking services for the SME segment, and more. The Group serves over 40 million retail customers and more than 1 million small and medium-sized business clients.