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What we have learned along the way.

Articles drawn from customer projects and from running our own operations, written by the people who built what they describe. No forms to fill in first and no newsletter sign-up. Promise.

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From Tableau to Power BI: what to take along, what to leave behind

Lessons from migrating 1,000 reports at Telefónica Germany. Over twelve pages, it covers why moving everything across wholesale fails, how to assess your existing reports in practice, what does not translate one-to-one, and how to plan the migration in phases while the business keeps running. It closes with enablement and a checklist for your own assessment.

Coming soon as a PDF, and we will link to it here.

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On stage, or just beside it

SAMS Nordic 2026, Copenhagen

Laura Ortner of Telefónica Germany: from Tableau to Power BI. Watch the recording · Talk page

SAMS Europe 2026, Amsterdam

A second talk on the migration at Telefónica Germany. Talk page

TDWI Virtual II 2026

Laura Ortner and Piero Alessio: from redundancy to revolution. How reporting at Telefónica was rebuilt. Programme page

Shall we talk about your first process?

In a Short Assessment we sit down with your business team and IT and look at one process together. You leave with a clear target design and an effort estimate we stand behind. Free of charge.

Business card of Piero Alessio, Managing Director