Challenge & Context

A large Dutch bank needed to strengthen its ability to deliver reliable regulatory reporting. While data was widely available across the organisation, it was spread across many business units, each with its own systems, definitions and ways of working. This resulted in fragmented data, limited transparency and high effort to validate and explain reporting outcomes.

Rather than addressing this as a narrow reporting issue, the organisation chose a broader ambition: to bring alignment, structure and control to data foundations and processes across the organisation, creating a basis that could support multiple data and reporting needs over time.

Our Approach

The programme focused on aligning people, processes and systems around a shared, end‑to‑end view of data.

This was not about pushing timelines, but about aligning people first, creating the clarity and shared understanding needed for data processes and technology to work. We owned and ran the end‑to‑end data delivery process, understanding how data needed to flow across the organisation and taking responsibility for making that work in practice.

This meant working closely with business units, finance, data stewards and IT to put clear agreements, shared definitions and quality standards in place and actively coordinating teams to ensure these were applied consistently. By translating technical complexity into clear ways of working, data could move reliably from source systems, through processing and validation layers, to downstream use.

Impact

the bank was left in a clearly stronger position than where it started.

Data foundations and processes were aligned across the organisation, creating clearer ownership, better collaboration between teams and more predictable outcomes. A shared understanding of the end‑to‑end data chain replaced fragmented, local approaches.

A key milestone was the successful generation of the first reports in OneSumX, demonstrating that data flowed coherently from source to report and that people, processes and systems worked together as intended.

Beyond regulatory reporting, the organisation now has a scalable and well‑governed data setup. It is better aligned, operationally stronger, and better equipped to manage future data and reporting requirements with confidence.