Banking Technology AdvisoryPost-Merger IT Integration and Consolidation
Post-Merger IT Integration and Consolidation
When banks merge, technology decides whether the combined institution works on day one. We assess every legacy estate with the same yardstick and deliver one migration strategy the Board can fund and the programme can execute.
The challenge
Context
Merging banks inherit multiple core banking systems, card switches with separate BIN ranges, identity and network domains, and surrounding applications, each built under different governance and with different data quality. The wave order, the target platforms, and the cutover model cannot be decided on assumption. They can only be decided once every system, interface, and dataset has been inventoried and evidenced.
What we do
Scope
01
Current-state inventory of every legacy estate
Systems, interfaces, licenses, contracts, facilities, and assets, reconciled against physical reality.
02
Same-yardstick assessment
One questionnaire set, one scoring model, one evidence standard applied identically across every merging entity, so the cross-bank comparison is defensible at Board and regulator level.
03
Cross-bank comparison
Data quality, platform fitness, and risk ranked across the entities. This is what decides the target platform and the wave order.
04
Migration strategy under two non-negotiable constraints
Zero Downtime: no business day is ever used as a migration window. Security First Architecture: legacy environments are treated as untrusted until audited and cleared, and security controls are live before any migration.
05
Infrastructure setup
A greenfield production Data Center built and proven first, with the Near DC and Disaster Recovery Site established later from the best of the existing estate.
Three-site strategy
Site 01
Production DC
Built clean and proven before anything moves.
Site 02 · Synchronous
Near DC
Synchronous replication from production.
Site 03 · Separate zone
Disaster Recovery
In a different seismic zone, sized to RTO and RPO.
Sizing follows the Business Impact Analysis. Site classification, separation, and DR testing follow the ICT Security Guideline v4.0.
How we work
Discovery runs in parallel at every legacy bank. Findings mature through a monthly steering committee so the Board sees the platform options and wave order forming well before the final report. Each entity’s evidence is held separately until the comparison stage.
What you receive
Deliverables
- Current-State IT Estate Inventory per entity
- Gap Analysis and Risk Heat Map
- System Disposition Matrix: retain, migrate, replace, or retire for every system
- Migration Strategy and Roadmap with budget envelope
- Board-ready presentation and regulator engagement plan
Who this is for
Boards, Managing Directors, and integration steering committees of merging or acquiring banks, and regulators’ appointed administrators overseeing consolidation.
Other services in the practice
Explore
01
IT Assessment and Gap Analysis
A regulator-aligned assessment of the technology estate that surfaces the maturity gaps that matter most and converts them into a prioritized remediation roadmap.
Read more02
Core Banking System Evaluation and Migration Strategy
Retain, upgrade, consolidate, or replace, decided on evidence, with a migration strategy that protects every balance to the taka.
Read more03
Digital Transformation Roadmap
Readiness across six dimensions and a three-phase plan: Stabilize, Modernize, Transform.
Read more04
Regulatory Compliance Advisory
Clause-by-clause assessment against the Bangladesh Bank ICT Security Guideline, Cybersecurity Framework, CBS, Cloud, Partner Network, and eKYC guidelines.
Read more05
Vendor Evaluation and Selection
Model RFPs, weighted scorecards, local deployment mapping, and five-year TCO.
Read more06
Infrastructure, Data Center, and Resilience Strategy
Production DC, Near DC, and DR sites designed to regulatory requirements and business impact.
Read more07
Cybersecurity Posture and Governance
Control-by-control maturity, security-first build sequences, and Board-level security governance.
Read more08
Board and Executive Technology Advisory
A retained, independent technology voice at the Board table.
Read more09
Digital Bank, Payments, and Fintech Advisory
Technical documentation, product design, platform selection, and regulatory alignment.
Read more10
Training and Capability Building
Practitioner-led programmes for implementation and migration teams.
Read moreStart a conversation
Talk to us about your merger integration.
Contact
Speak with
Khandaker Anwar
Founder and CEO
Mobile and LinkedIn
Mind Maprs, Bilquis Tower, 3rd Floor, Plot 6, Road 46, 2nd Circle, Gulshan 2, Dhaka-1212