https://techcrunch.com/2020/02/19/google-cloud-acquires-mainframe-migration-service-cornerstone/

Google today announced that it has acquired Cornerstone, a Dutch company that specializes in helping enterprise migrate their legacy workloads from mainframes to public clouds. Cornerstone, which provides very hands-on migration assistance, will form the basis of Google Cloud’s mainframe-to-GCP solutions.

This move is very much in line with Google Cloud’s overall enterprise strategy, which focuses on helping existing enterprises move their legacy workloads into the cloud (and start new projects as cloud-native solutions from the get-go).