NBG modernises core banking with Infosys Finacle

By Milan Rojan

National Bank of Greece (NBG) has completed a multi-year core banking transformation programme with , marking the conclusion of what the bank has described as one of the largest technology initiatives undertaken in the Greek banking sector.

The programme, known as Cosmos, has modernised the bank’s core banking infrastructure across customer segments, accounts and loan products. According to NBG, the transformation has involved more than 1,000 people working across three continents and has accounted for approximately 500,000 working days.

The project has been delivered using the Finacle core banking platform from Infosys, with the bank aiming to modernise its technology architecture and support future digital banking initiatives.

Stratos Molyviatis, Chief Operating Officer at National Bank of Greece, said the Cosmos programme represented “the largest technology project ever delivered in the Greek banking sector”.

He added that the initiative had spanned all customer segments, accounts and loan types within the bank and had brought together teams from multiple regions throughout the implementation process.

The completion of the programme has followed a broader trend among financial institutions seeking to replace legacy banking systems with modern, cloud-ready platforms capable of supporting product innovation, operational efficiency and digital service delivery.

Infosys Finacle has been a provider of banking technology solutions to financial institutions globally, supporting core banking modernisation, digital engagement and operational transformation programmes.

For National Bank of Greece, the completion of the Cosmos programme has represented a significant step in its technology modernisation strategy. The bank has indicated that the new platform will provide the foundation for future innovation while supporting its operational and customer service objectives.

The implementation has also highlighted the scale and complexity of large banking transformation programmes, which continue to remain a strategic priority for financial institutions across Europe.