Because they make a complicated world simple.
Who is the best employer? Which company leads on sustainability?
A ranking answers in a way anyone can grasp: a position in a ranking table that clearly shows who is good, and who needs to improve. Very few people critically check the methodology behind a rating, especially when it appears in a well-known magazine or comes from a trusted source. This means even rankings with a weak methodology carry power. The credibility of the source transfers to the score. Systematic ratings management makes sure that power works for you.
