AI case study

National Bank of GreeceVirtual banking assistant

500+ legacy systems kept Greece's largest bank branch-bound and exposed. A €1.3B rebuild made Sofia AI the face of digital banking.

Published

The story

Context

A Greek bank serving 6 million customers across 12 million accounts and 1.5 million loans, operating on a fragmented technology estate of over 500 legacy systems accumulated over decades.

Challenge

The legacy infrastructure had accumulated significant technology debt and cybersecurity exposure, including vulnerability to third-party lockout of...

Solution
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Scope & timeline

  • 350k monthly interactions handled by Sofia AI agent
  • 4,000+ employees trained on AI across all levels
  • 25% of non-branch requests handled by Sofia AI

Quotes

Also reported by

dnews.gr
businessdaily.gr
bankingnews.gr

The company

National Bank of Greece logo

National Bank of Greece

nbg.gr

Commercial bank providing retail, corporate, and investment banking services.

IndustryFinancial Services
LocationAthens, Greece
Employees5K-10K
Founded1841

Use case

National Bank of Greece's Virtual banking assistant is part of this use case:

Customer Support Assistant
196 case studies(+4% YoY)
Proven impact?
LowModerateVery Strong
4.1Moderate
3.7Moderatewithin Financial Services
3.8Moderatewithin Product Engineering

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