There are times when it's ok to be your own detective, but
there are definitely times when you absolutely need a licensed
professional, particularly if you are involved in some situation
that will require litigation. In these instances, your attorney
and private investigator will need to be working side-by-side.
For your convenience, Spies Online is providing a PI directory
of private investigators and links to other directories. Needless to say, using any of the companies listed is at your own peril; the listings here are merely provided for your convenience. You are advised to check out the credentials of private investigators with the appropriate licensing board, and ask for references. Spies Online offers some tips on how to choose a private investigator. You can also check to see if the PI is a member of the NAIS, a worldwide organization with over 3,000 investigators and people in associated professions, by checking their membership directory located here.
Private investigators who want to get their sites noticed should sign up for as many PI directories that provide free listings as possible - this will greatly improve your search engine ratings. It's nice to provide a return link to show your thanks to the people who work hard to maintain the PI directories. Of course, if you aren't a member of the NAIS yet, you might want to consider joining here.
Know of a PI directory site that belongs on this list? Contact Spies Online.