Case study

Single source of truth Data Warehouse for Cardlink

Creating a cloud-based data estate for a leading FinTech managing millions of transactions daily.


Data & AI Transformation


Financial Services | Data Warehousing & Reporting Modernisation | Data Monetisation

Single source of truth Data Warehouse
                            for Cardlink

This leading fintech wanted a single source of truth data estate and reporting that can scale on demand, is cost effective and reliable to process its ever-increasing data.

The Solution

Cardlink is a South Europe payment acceptance leader, collaborating with all major banks and with more than 250k POS terminals and 10k e-Commerce businesses on its network. Legacy infrastructure consisted of a mixture of siloed on-prem and cloud sources. Internal reporting needed modernisation to offer a better user experience. More importantly, Cardlink was sitting on a treasure of transactional data that it could monetise.

Working with Cardlink, we designed and developed a full-scale cloud-based Data Warehouse, integrating data across numerous legacy on-prem and cloud data sources and managing millions of credit/debit card transactional data on a daily basis.

Using an optimised data schema for fast and scalable data querying, as well as a modern BI platform, this new DW enables Cardlink to rapidly serve advanced insights and reports both internally and across its affiliates and customers. A capability that legacy systems would struggle to support. Development was split in phases, integrating each data source sequentially, ensuring early business value was visible where possible.

The Impact
  • Double digit cost reduction in data management.
  • Year one ROI alone more than covered the initial investment.
  • Single source of truth and a platform for Analysis Services and Data Visualisation.
  • Data monetisation and enablement of a new revenue-generating service to Cardlink’s end customers, selling rich insights.
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