Core Banking & Critical System Transformation
Zero-downtime migrations of legacy core banking and insurance platforms serving millions of customers.
Sound familiar?
Your core system is 15+ years old. Every critical business process depends on it. A single hour of downtime costs €250,000 in lost transactions. The vendor wants you upgraded, but your last migration attempt failed after 18 months and €4M.
Sequenced so every step can be stopped or reversed.
- 01Assess
Complete dependency mapping across all integrated systems before any code is touched
- 02Design
Parallel running strategy — old and new systems operate simultaneously for 30+ days with automated reconciliation
- 03Execute
Zero-downtime cutover executed during off-peak windows with rehearsed rollback procedures
- 04Sustain
Hypercare support for critical first 90 days post-migration with 24/7 war room capability
downtime during infrastructure expansion
Major Irish retail bank — €2.4B daily transaction volume migrated with zero customer impact. 99.99% availability maintained throughout 6-month transition.
Described in anonymised form. Client names, systems and commercial terms are confidential and are not disclosed.
Other capabilities
Dealing with this right now?
A confidential 30-minute call with a senior specialist. No obligation, and an honest answer on whether this is work we should be doing.