There are a lot of ways for companies to cut costs that they don't realize at first, and it takes time and experience to locate all the methods by which larger firms can save themselves some money. One way that companies can actually save themselves a great deal is by hiring another company help complete all their paper shredding tasks for them. There are many great document shredding services out there that for a very reasonable price can shred vast amounts of paper in a very small amount of time.
The major reason that hiring a service like this can save you money is that most companies produce absolutely massive amounts of paperwork that needs to be destroyed. There are lots of reasons that paper needs to be shredded, both from a legal standpoint, and from an internal business responsibility standpoint. Trying to keep up with the amount of paper that you produce internally is next door to impossible.
When a company is hired to come and shred your documentation for you, they come with industrial strength paper shredders. Using these is far better than your own shredders for a number of reasons. First, they can shred a lot more paper, in a lot shorter amount of time. Second, they also do a much more thorough job of destroying any paper that is fed through the, ensuring it can't be reconstructed later.
This can save you money in two ways. If you had to pay your own employees to take care of this task for you, you'd in essence be wasting hours of their salary payments having them complete a task that is not the job you originally hired them for. Second, if you are legally obligated to destroy any paperwork, the job done by a regular office shredder could be judged incomplete, as that information could still be reconstructed. By failing to destroy it properly, you could still be held liable for releasing information that you were obligated to protect, something that could definitely be costly.
By both saving you money on employee hours, and by protecting you from the huge cost of potential lawsuits, paper shredding companies can clearly be a money save. By doing some research into those which use the best equipment and do the most complete job, you can make sure that you're getting the most for your dollar. Also, be sure to only do business with companies that will sign a full confidentiality agreement.