For many purposes, an instant background check is not sufficient. Full national background checks have become necessary for certain personnel requirements. Take medical professionals, for example. A doctor, technician or nurse who comes into contact with many patients on a daily basis would be in a position to do a lot of damage if he or she had character defects.

Similarly, teachers or other personnel who come into contact with small children need to have an impeccable record. Whole communities, and not just parents, will be seeking reparation if appropriate precautions are not taken where the safety of their children are concerned. Conducting a thorough background check will help to ensure that a personnel manager's record remains spotless and that the community remains safe.

Getting the Full Picture

Only a full background check that searches records all over the US will be certain to catch anything and everything on a particular individual. It's not enough that a company has access to the right databases, either. They need to have personnel who know how to conduct a search and what to look for. Background searches require a certain amount of skill in order to get the right results.

Before committing yourself to a company offering national background checks, ask the company some questions. Most importantly, ask what kind of information they'll be turning up. You also want to know what their turnaround time is going to be. Only by asking as many questions as you can will you be able to make a fair comparison between companies. Also try and see reviews of their service, if available.