Overview Estonian mobile operator EMT and broadband operator Elion merged in August 2014, form- ing Eesti T elekom AS. Rebranded as T elia Eesti AS in 2016 and operating as a subsidiary of the Stockholm-based Telia Company, the business is one of the largest telecommuni- cations companies in the Baltic States. The parent organization dominates the broadband and mobile markets in Finland, Sweden and the Baltics while also operating in Northern and Eastern Europe, and Central and Southern Asia. Employing over 1,800 personnel, Telia Eesti provides a comprehensive portfolio of telecommunications and managed IT services to residential and enterprise customers. Challenge Telia Eesti inherited two disparate business intelligence and data warehousing solutions containing some 3,000

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