From Fragmentation to Scalable Performance: Rebuilding a Bank’s Operating Model in a few months
- Dec 18, 2025
- 4 min read
Updated: Feb 25
Fragmentation rarely shows up first in financial results. It shows up in blurred accountability, slow decisions and operating complexity that quietly outpaces performance.
When I stepped into the role of Head of Operations at a Swiss regional bank, the mandate was deliberately time-bound: build a Target Operating Model that would not only improve efficiency, but structurally enable long-term growth:
Build a new Target Operating Model that would not only improve efficiency, but fundamentally enable the bank’s long-term growth ambition.
The organization had a strong market position and loyal customers. But operationally, it was constrained by fragmented processes, blurred accountability and a technology landscape that limited scale.
Many core processes were split across multiple teams and individuals. Ownership was diffuse. No one truly felt accountable end-to-end. Execution slowed down, decisions got escalated unnecessarily and operational complexity was growing faster than performance.
This was not an optimization program. It was a structural reset of ownership, governance and execution logic.
PHASE 1 — Establishing Ownership, Leadership Control and Clarity
The first priority was to stabilize the operational backbone and create transparency.
We started by mapping dozens of end-to-end core banking processes, identifying fragmentation, duplication and manual workarounds, making accountability gaps visible, clarifying decision rights and escalation paths, reviewing each major operational domain with management, and defining a future-state Target Operating Model aligned to growth ambitions.
One structural insight emerged immediately:
Efficiency gains would not unlock scale. The bank required end-to-end ownership, structural accountability and a different operating logic.
PHASE 2 — Reassigning Ownership and Building Governance
Ownership became the core transformation lever.
Key actions included reassigning roles to establish clear end-to-end process ownership, implementing structured mandates for key operational domains, formalizing governance frameworks across Operations creating a central PMO function to coordinate transformation delivery and introducing a disciplined management cadence with frequent progress reviews.
From that point forward, every major process had one accountable owner. Every transformation initiative had a sponsor. Every governance forum had a clear mandate.
This single structural shift materially accelerated execution.
PHASE 3 — Digitalization as a Growth Enabler (Not just efficiency)
Digitalization was positioned as growth infrastructure — not an efficiency side project.
Two major workstreams ran in parallel.
First, RPA was introduced as a strategic capability. High-volume manual processes were prioritized for automation. Robotics was deployed to eliminate repetitive work. Automation use cases were governed centrally, while business ownership remained with process leaders, not IT.
This alone saved hundreds of hours of manual work, allowing teams to refocus on customer value, growth initiatives and higher-impact operational work.
Second, a broader review of the bank’s technology landscape was initiated, with particular focus on the mortgage business, which was strategically critical for growth.
This included reviewing the end-to-end mortgage process and supporting systems, identifying structural limitations in the existing tech stack, assessing scalability constraints and integration gaps, defining strategic options for future platform evolution, and initiating a structured decision process for long-term modernization.
This was not about incremental fixes. It was about designing a mortgage platform capable of supporting structural growth.
PHASE 4 — Embedding Agile Ways of Working and Cultural Shift
Process and technology changes alone would not be enough. The operating culture itself had to evolve.
Key steps included introducing agile working principles across operational teams, improving cross-functional collaboration between Operations, IT and Business, shortening decision cycles and delivery loops, shifting focus from reactive problem-solving to proactive scaling, and embedding a continuous improvement mindset.
Over time, this shifted the organization from reactive problem management to disciplined execution geared toward scale.
PHASE 5 — Disciplined Execution and Time-Bound Delivery
The mandate was deliberately structured as time-bound from day one.
To ensure momentum and delivery discipline, dozens of processes were touched and redesigned. Progress was reviewed monthly within management. Achievements and open issues were tracked transparently. Priorities were continuously rebalanced based on business impact. Ownership was steadily transferred into the line organization.
This cadence ensured that transformation was embedded into leadership execution — not treated as a parallel program.
PHASE 6 — Sustainable Handover and Leadership Transition
The final phase focused on embedding sustainability and preparing a clean leadership handover.
Key elements included aligning the operational leadership team around the new model, finalizing governance documentation and role charters, ensuring KPI transparency and reporting continuity, transferring ownership to the nominated Head of Operations and coaching the leadership team through the transition.
After 11 months, the organization operated on a fundamentally different structural foundation:.
The transformation was no longer a programme. It had become the new operating reality.
WHAT THIS ENGAGEMENT STRUCTURALLY CONFIRMED
This engagement reinforced three leadership truths.
First, ownership is the real transformation lever. Without end-to-end accountability, no operating model scales — regardless of technology investment.
Second, digitalization only works when governance is right. Automation amplifies whatever structure it sits on. Without clear mandates and ownership, it simply accelerates chaos.
Third, growth requires operating discipline. Scale is not enabled by strategy decks. It is enabled by governance, structure, execution cadence and leadership accountability.
WHY THIS MATTERS FOR BOARDS AND EXECUTIVE TEAMS
This mandate was not about incremental optimization. It was about building growth infrastructure for a regulated organization.
It illustrates what becomes possible when structural ownership replaces fragmentation, governance replaces ambiguity and digital capability is embedded within disciplined leadership execution.
Sustainable growth is not driven by strategy decks. It is built through operating models that are structurally designed to scale.



