One of the things that many of our Best Firms for Women have in common is that they have a lot more than one thing in common. Of course, that extensive playbook is also used by the members of our broader Best Firms to Work For ranking . That convergence on a set of best practices, though, isn't my point. The point is that the Best Firms are converging on all or most of those best practices. Take the capacity and workforce problems most firms are facing: Raising the salaries you pay may help, but it won't suffice.