Interstate Investigation Agency EST 1979
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Interstate Investigation Agency has the experience that can only be acquired through performing thousands of civil and criminal defense investigations. It is this experience that enables our clients to make more informed decisions. Our experienced and bonded investigators will handle your case with the confidentiality you deserve.
If you're looking for the best private investigation agency for lawyers and businesses, you've come to the right place. Interstate Investigation Agency has been serving attorneys and businesses throughout Massachusetts since 1979. The agency has built its reputation by providing professional service with exceptional results,often within challenging time frames.
​Interstate Investigation Agency                                                                                                       Office: 508-651-9920
1 South Ave., Suite 2                                                                                                                           Fax:   508-651-9940
Natick, MA 01760                                                                                                                     

Forensic Video
We are pleased to announce the addition of VIDEO FORENSIC ANALYSIS to our growing list of professional services. Hiring us to use the latest cutting edge forensic image clarification technology could be the difference between winning and losing a trial. Give us a call today to discuss your case.

Court Presentations
Interstate Investigation Agency offers court presentation materials including enlarged images, enhanced photographs, 20x30 prints with added graphics, notes, arrows, etc. and more.
Our constable/process servers have been providing prompt, professional, and reliable service to the public for all Civil, Criminal and Family & Probate Court matters since 1993. We handle all matters **within Suffolk, Middlesex and Norfolk Counties.