We used WorldCheck data at my last startup, it was the best in the business at the time. High quality groomed data, well tagged, with an actual timeline for each entity that explains why they're in there. Absolute top notch.
To use the World-Check datafile, you need decent tooling to go with it. You can either build your own, or use theirs. That said, it’s only as good as the analysts using the tools as well as the consultants configuring it. It’s a hard problem.
Source: worked as a developer on World-Check One for ten years.