TDA is a full service investigations and security firm. TDA offers their individual and corporate clients professional products and services specifically designed for their particular investigative and security needs. TDA launched this website to enable their clients to view these products and services. In addition, TDA is a referral business, which has evolved into an internationally recognized security and investigation firm.

TDA maintains this extensive network of investigators and consultants throughout the United States, Canada, Mexico, Western Europe, Africa and Asia. All of whom are regarded as specialists in the security and investigative field. TDA is therefore premier for delivering the utmost in available resources worldwide.


Here is a list of some of our clients: