since 1997
Specialized Investigative Service
Veteran-Owned
Bilingual Spanish Service
We provide high-quality private investigations to ensure you can make informed decisions.
Phone
(617) 719-0786
Contact Us Today
Mailing Address
210 Park Avenue, Worcester, MA 01609
Hours
8am – 5pm
Available 7 Days a Week
SIS Conducts Comprehensive and Cost Effective Investigations
Specialized Investigative Service has provided services to the legal, financial, and business community since 1997.
For over twenty years, Specialized Investigative Service has gained a unique perspective on handling investigations. Conducting a cost effective and robust inquiries to inform our clients with the available facts needed to make an informed decision.
Criminal Defense Investigations
Federal Court
SIS conducts a wide range of criminal defense investigations at the federal court level ranging from multi-defendant white collar crimes cases to RICO, drug trafficking and human trafficking cases.
State Court
We also service investigations at the state court level. Common investigations include murder, rape (title IX), assault and battery, gun possession, drug possession and distribution.
Civil Investigations
SIS assists the legal and business community in pre-litigation investigations involving a wide range of potential circumstances where clients require background information to assess legal exposure and/or cause to pursue a legal matter.
Common civil investigation services include insurance defense, alimony, child support and asset location & recovery.
Security Consulting
SIS provides guidance to businesses, religious organizations, and private individuals to aid in providing a safer environment for all who work or visit a place of business or an institution and to individuals who require assistance with their personal safety.
Common areas of security consulting services include physical security, asset protection, hazard assessment and coordinated protective services.
Service Areas
We Go Where the Job Takes Us
Our cases have taken us throughout the United States as well as Puerto Rico and Trinidad to locate evidence, witnesses, and assets.
Client Testimonial
“Rob Diaz is a private investigator that I hired many times over the last 10 years to facilitate investigations on many different levels of fraud. I highly recommend his professionalism, his attention to time sensitivity issues and his ability to get the information I requested. Once Rob is on a case, I feel confident that the results will come swiftly and the answers I need will be complete. I also know that if there is no more work to be done on a case, Rob is straightforward and lets me know. It has always been a huge benefit for the company I work for and for getting the answers to questions I was looking for. Thank you for all you’ve done over the years.” – Debra B.
Your Convenience is Our Priority
We Come to You
Official | CONFIDENTIAL | RELIABLE
Licensed Investigator in the State of Massachusetts
License #: LP0606E
Get In touCh
Get a Free Estimate or Schedule an Appointment
Private Investigations
Security Consulting
Litigation Support
Background Investigations