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- Banking on Data: Beyond the limitations of legacy systems
Banking on Data: Beyond the limitations of legacy systems

50-90% time saving
Processing times have reduced by 50-90%, saving time and money and meeting compliance deadlines
Productivity boosted by 90%
The manual effort was reduced from 600 hrs to only 50 hrs
ERM rollout in record time
Fusion team cut ERM rollout from 36 to 9 months across 25 bank areas
“The DDL is far more than a technology project – it is a strategic initiative that transforms how work gets done.”
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Challenge
This global bank offers full-service banking and a host of other financial services directly and through its subsidiaries. As a world-class bank that’s committed to organic growth through innovation, it needed to adopt a new strategic approach to data.
In the age of AI, technology and business converge. Data is the universal business fuel and lifeblood of any successful bank. Consequently, every bank must adopt a strategic approach acknowledging data as a crucial business asset – one that must be carefully curated, governed and distributed.
The DDL addresses the bank’s need for universal ready access to quality data from multiple sources to be used for a growing range of purposes, including financial modelling, prototyping and analysis, particularly in the risk domain. This data democratisation program seeks to close the gap between business users and data and empowers the bank to become more data driven. Specific objectives of this assignment were to:
- Reduce the time-to-market of analysis and forecasting models
- Recover and consolidate corporate knowledge/knowledge of solution
- Unify and optimize technological solutions with IT aligned to business goals
In practice the project was about much more than data and technology – it was also about people, processes and bank culture. With the right methods and technology the bank’s DDL would evolve and become the beating heart of its data and innovation strategy. While data would be universally available and understandable it would also be better governed.
However, the bank’s data management challenge was significant with many diverse sources, formats and technologies. Data often resided in different locations with varying standards of governance within individual departments. This was typical of a large financial organisation that had grown organically and through acquisition.
Although the bank has a strong internal IT function, it was clear that a new approach was required to deliver a systemic transformation based on an independent view. As a trusted partner, GFT was invited to help develop the DDL into a strategic asset for the entire bank.
Engagement
To accelerate progress, scale the program and build cohesion, GFT assembled a fusion team with members representing both business and technology functions. At the outset, the team established clear business and technical objectives:
The bank’s bold vision was to implement a catalogue approach with all programs and data sources available through a single web portal. Users could choose from this catalogue of tools and build solutions aligned to specific use cases.
To realise this vision, GFT delivered a proof of concept (PoC) in 2021. This established cloud as the only viable solution, provisioned through GCP. GFT tested and recommended a range of technologies to meet essential requirements for flexibility, scalability and security. Each potential use case was evaluated and appropriate tooling proposed.
This iterative process produced a technical landscape for the DDL, but a fusion team was essential to align technology and business objectives. GFT worked closely with the bank’s teams to accelerate progress and maximise knowledge transfer.
Building and commissioning the DDL was essentially about bank transformation spanning ideation, PoC through to live running. But the DDL has proved to be a worthwhile investment.
Benefit
The DDL bridges the gap between technology and business and has become a strategic asset. As an IT-free solution, it can evolve and expand to meet emerging business needs without third-party involvement.
Most importantly, the data lab has transformed the bank’s approach to innovation and how work gets done. As a cloud solution, it has eliminated speculative investment and aligned costs with actual business use. It also encourages collaboration between end users and technical teams.
Initial deployment: bank stress testing – a universal challenge for large banks. With the DDL, new stress test models can be constructed and algorithms amended quickly and easily. Better data visualisation and quality ensures regulatory compliance and improved liquidity.
Building on the success of the DDL for stress testing, the bank has deployed in many business context eg:
- Procurement
- Compliance
- Risk Models
- Security
Although the bank can run the DDL autonomously, GFT is usually involved in new deployments, including set-up and staff training.
- The Fusion team approach reduced program rollout timeline from an estimated 36 months to 9 months for the enterprise risk management (ERM) component serving 25 areas of the bank
- GFT team of between 25-35
- Within the first 30 months the teams refactored 74 ERM models. In parallel, the legacy SAS ERM system was decommissioned
- The bank has a data visualisation model for ERM and can commission new, better models more quickly, typically within hours or days as opposed to weeks or months.
- Processing times have reduced by 50-90%, saving time and money and meeting compliance deadlines
- Manual effort reduced from 600 hrs to 50hrs
- Data quality and accessibility improved that led to more accurate and reliable insights
- Adoption boosted: +70 users served, +50 areas activated, +350 processes migrated, +14TB of data moved – training session on the solution
- Change requests can be actioned in half the time than was previously possible and as part of business as usual
- Costs are directly aligned with business use and can be accurately allocated to the appropriate cost centre
The DDL positions data as a strategic factor of production in everything the bank does. The bank remains at the forefront of AI innovation with world-class data and exemplary governance. Data and AI are always aligned to compliance requirements and business needs. GFT remains a trusted partner and is helping to evaluate new use cases for the DDL.
“The adoption of a cloud-based lab environment has sparked innovation and driven cultural and technological change, improving efficiency, agility, and opening up new possibilities.”
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Success story
Banking on Data: Beyond the limitations of legacy systems