Suppose you are a company that deals with legal affairs and disputes with contractors or partnering businesses. In that case, you want to avoid all forms of biasing or conflict of interest when appearing before the courts. It is sensible to engage the services of an external law firm to handle these issues unless you are big enough to have a few lawyers on staff as part of your business who deals with all issues of compliance for you.
Please do some research on this; yes, and many announcements have indicated that they are tightening their belts. Please go back and read there too.