In 2001, Rietumu Bank purchased 100% of Saules Banka shares and entered top five Latvian commercial banks. In late 2001 and in 2002, Rietumu Bank issued new, exclusive credit cards Eurocard/MasterCard Platinum and VISA Platinum. In 2003, corporate lending became one of the bank's priority development areas. In 2004, the bank issued VISA chipcards and completely transferred to a unified account numbering system in the EU member states - IBAN (International Bank Account Number). Rietumu Bank purchased Russian broker company Eco Save and established a new investment company RB Investments.