Engineering How Banks Operate
Does Investment Deliver the Abilities Banks Need?
Banks invest heavily in technology, transformation and operational improvement. How can they be confident these investments will achieve their intended business outcomes?
Banks invest substantial resources in developing, maintaining and improving how they operate. They seek to grow, serve clients, improve performance, manage risk, meet regulatory obligations and adapt to changing circumstances.
According to McKinsey, global banking technology expenditure alone reached an estimated US$650 billion in 2023, with spending growing faster than banking revenues. Yet the benefits of this investment have not always been easy to demonstrate.
The challenge extends beyond technology. Achieving business objectives depends on how people, information, processes, decisions, systems and controls work together across the enterprise.
Successful delivery of a project, implementation of a system or redesign of a process does not necessarily mean the bank has developed the abilities it needs.
Those abilities must be appropriately determined, effectively designed, successfully delivered and operated under real-world conditions. They must also continue to perform as business needs and circumstances change.
The fundamental challenge is to establish the right enterprise abilities and ensure they achieve the intended outcomes, creating value that can be sustained.
This website explores how banks can achieve that confidence through engineering how they operate.
Source: McKinsey & Company, Unlocking Value from Technology in Banking, 23 October 2024.
Why Investment Does Not Always Deliver the Intended Outcomes
Successful investment depends on identifying the right enterprise abilities, engineering their operation, implementing them effectively and sustaining their performance.
Banks invest in new products, technology, regulatory compliance, operational improvement and business transformation. Even well-justified initiatives can fall short of expectations.
Four interdependent challenges help explain why:
Determine — Establish the right abilities. Understand what the enterprise needs to achieve, including requirements and dependencies that may extend beyond individual initiatives.
Design — Engineer effective operation. Establish how people, processes, information, technology, decisions and controls must work together under realistic operating conditions.
Deliver — Implement successfully. Translate the intended design into functioning capabilities through effective programme management, implementation, testing and organisational adoption.
Operate — Achieve and sustain outcomes. Govern, measure and adapt the resulting capabilities to deliver reliable performance.
These dimensions are not independent or strictly sequential. Experience in operation may reveal shortcomings in the original requirements or design, while implementation constraints may require earlier decisions to be reconsidered.
A project can meet its delivery commitments without establishing an effective operational ability. Equally, an ability may deliver substantial value despite difficulties during implementation.
The essential requirement is to preserve the connection between business objectives, enterprise abilities, design, delivery and operational performance.
Success is ultimately determined by the business outcomes achieved and sustained, not simply by the completion of an investment or project.
Engineering How Banks Operate
Effective enterprise abilities depend on understanding and engineering the interactions between business objectives, organisational capabilities and operational systems.
Banks do not achieve their objectives through individual projects, processes or technologies acting independently. They operate through interconnected systems of people, information, decisions, resources, processes, technology and governance.
The performance of these systems depends not only on their individual components, but also on how those components interact, respond to changing conditions and work towards common objectives.
Engineering how banks operate therefore requires a holistic understanding of the abilities the enterprise needs and the conditions under which those abilities must function.
This perspective connects enterprise-wide understanding with practical operational engineering.
It requires establishing what the bank must be able to achieve, designing the necessary interactions and operating characteristics, and preserving those requirements through implementation and continuing operation.
Two complementary disciplines are central to the thinking developed on this website: Enterprise Ability Architecture (EAA) and Operational Systems Engineering (OSE).
Together with established architecture, delivery and management disciplines, they provide an approach to creating enterprise abilities capable of achieving and sustaining their intended business outcomes.
Determining the Right Enterprise Abilities
Enterprise Ability Architecture starts with what the bank needs to achieve, translating business objectives into coherent enterprise abilities.
Bankers naturally describe what they need the bank to achieve: establish clients, provide financing, execute transactions, manage exposures or enter new markets.
These requirements express desired business outcomes rather than the systems, processes or organisational capabilities needed to deliver them.
Enterprise Ability Architecture (EAA) takes this business perspective as its starting point. It determines the abilities the bank requires, expressed in business-outcome terms, considering needs and dependencies across the enterprise.
An ability may be fulfilled by a single business capability or require several capabilities working together.
EAA goes beyond collecting individual business requirements. It examines the enterprise holistically, identifying shared needs, dependencies, gaps and opportunities that individual initiatives may overlook.
It establishes the required abilities, their conditions for success and the architectural principles needed to realise them.
This provides a foundation for coherent investment and design, without requiring business leaders to express their needs in architectural terminology.
The starting question is what the bank needs to be able to achieve, not which capabilities it should build.
Engineering Abilities That Work
Operational Systems Engineering applies scientific and engineering principles to establish how enterprise abilities can achieve their intended outcomes reliably.
A bank may possess all the capabilities necessary to achieve a business objective, yet still struggle to deliver the required outcome.
Operational performance depends on how people, processes, information, technology, resources, decisions and controls interact under real-world conditions.
Operational Systems Engineering (OSE) examines this behaviour, applying systems thinking, operations research, human factors and other engineering disciplines to establish the operating characteristics and mechanisms necessary for success.
It considers demand, capacity, variability, dependencies, delays and constraints rather than assuming that implementing the necessary components will produce the intended performance.
OSE establishes and validates the principles and requirements needed for an operational system to function effectively.
It supports the engineering of reliable flow, appropriate capacity, effective controls, operational resilience and adaptation to changing conditions.
Its application extends beyond designing new capabilities. Existing operations can also be examined to identify underlying causes of poor performance and engineer improvements.
Measurement and feedback provide evidence of whether the system is achieving its intended outcomes and where intervention is required.
The objective is not simply to establish an ability, but to ensure that it works reliably in practice.
From Engineering Principles to Banking Practice
EAA and OSE are explored through practical banking problems, with Client Lifecycle Management providing the principal field of application.
Engineering principles gain value through their ability to address real business and operational challenges.
The thinking developed on this website draws on banking experience to examine how enterprise abilities can be determined, designed, delivered and operated effectively.
Client Lifecycle Management (CLM) provides the principal application. Its enterprise-wide dependencies, architectural complexity and operational challenges offer opportunities to develop, test and demonstrate EAA and OSE.
Applications include establishing client relationships, governing business permissions, maintaining enterprise information and engineering reliable lifecycle operations.
These examples provide opportunities to examine architectural requirements, operational behaviour, design decisions and performance outcomes.
The resulting principles are not intended to be confined to CLM. Their wider relevance can be explored and tested through other banking activities.
The purpose is to develop engineering approaches that help banks establish effective enterprise abilities, using practical applications to test and improve the thinking.
Explore the Website
Explore the banking knowledge, architectural foundations and practical applications informing this developing approach to engineering enterprise abilities.
The website brings together banking experience, established knowledge and developing research into how banks understand, enable, govern and operate their business activities.
Much of the existing material draws on Client Lifecycle Management, including enterprise identity, relationships, business arrangements, contracts, permissions and operational performance.
This provides a foundation for examining how Enterprise Ability Architecture and Operational Systems Engineering can be developed, applied and refined.
The Thinking Behind the Work
Combining banking experience, established engineering principles and continuing research into how complex financial institutions operate.
This website draws on more than four decades of banking experience, spanning business and product management, operating models, enterprise architecture, transformation, risk and Client Lifecycle Management.
That experience provides a practical foundation for examining how banks establish and operate enterprise abilities, why capabilities sometimes fall short of expectations, and how engineering principles can improve their effectiveness.
The work combines established knowledge with original analysis and developing approaches, including Enterprise Ability Architecture and Operational Systems Engineering.
First Published: 07-Nov-2026