The KNMI DataLab facilitates data-driven innovations required by collaborative projects of public and private parties. The DataLab has a pool of experts that can provide assistance in performing data science activities which comprises both Big data analytics and Big data engineering activities. In addition, a knowledge base system can be consulted and include all results of performed DataLab experiments. A highly scalable infrastructure is avaialble for storing and processing data, and includes comprehensive tooling. The DataLab uses a Open Knowledge policy.