We hereby confirm that DataRiseLab has conducted a Proof of Concept of data architecture and reporting platform based on Microsoft cloud technology at our company. The PoC included, but was not limited to: preparation of infrastructure in Azure, analysis of business requirements and source data, implementation of a data warehouse in the cloud, integration with selected data sources, including Google Anaytics, preparation of data structure and processes, including ETL, selected reports in BI and data models, launch of agreed sample applications in PowerApp, preparation of data governance, training for end users, preparation of necessary documentation. DataRiseLab Sp. z o.o. demonstrated professionalism and reliability during the project. It is noteworthy that the partner demonstrated not only knowledge of technologies and good practices in their implementation, but also understanding of business aspects. In view of the above, we can recommend DataRiseLab Sp. z o.o. as a trustworthy partner.