Case Study: T‑Mobile Netherlands achieves faster self-service insights and €1M annual savings with ThoughtSpot

Self-service with ThoughtSpot helps T-Mobile Netherlands sustain market leadership by boosting analyst productivity and cutting IT costs

T-Mobile Netherlands, the country’s largest mobile operator serving 6.9 million customers, faced rising customer churn and a growing backlog of BI requests as customer data volumes exploded. Existing on‑prem tools and dashboards left frontline teams waiting days or weeks for actionable insights, slowing sales, support and strategic decision‑making.

T‑Mobile moved a curated 10% of its data to the cloud and deployed ThoughtSpot for self‑service analytics, enabling business users to get answers as easily as a web search. The change freed data analysts about 40 days per month, cut routine IT and analyst costs by an estimated €1 million annually, and sped high‑stakes M&A due diligence—producing critical answers in under 15 minutes.

T-Mobile

Hermen Geerts

Product Owner B2b and B2c Value Streams for Business Intelligence