Make no mistake: this is a major change and will shake up the cozy relationships some audit firms may have with their clients. Even this change is more significant than what was expected (I would have predicted 9-12 years). The Competition Commission is serious.
To retrain and re-evaluate all Atos assessors, as the DWP has required Atos to do, is a big task. To train new assessors in a different company, as the DWP has also said will occur as the DWP is procuring additional providers, is also a big task.