Global Data Protection Regulation (GDPR) Fines and Penalties: What the Largest U.S. Companies could lose. Read the blog: http://www.datumstrategy.com/blog/what-is-gdpr-fines-penalties-for-not-complying Companies (EU and foreign) that do not comply with the GDPR can be fined up to 4% of global annual turnover. Here's what the largest U.S. Companies could lose.