TCS Group Holding PLC provides online retail financial services operating in Russia. It also offers unsecured cash loans to its existing customers without loan products with other banks. The group's reportable segment includes Retail Banking; IE and SME accounts services; Insurance operations; and MVNO services. The company derives is majority revenue from Retail Banking segment representing customer current accounts, savings, deposits, investment savings products, custody, credit and debit cards, consumer loans, car loans, secured loans and brokerage services to individuals.TCS Group Holding PLC provides online retail financial services operating in Russia through a branchless platform. It offers remote access to its financial products and services through mobile banking and high-volume call centers.