Nationwide Criminal Defense Investigations

Independent investigations for private clients, families, defense attorneys and authorized government cases.
Homicide • Serious felonies • Witness interviews • Evidence review • Post-conviction support
Florida Agency License A-1400265 • JAC-Approved Vendor F850630350001



Private Clients. Defense Counsel. Authorized Government Cases.

Independent Investigation. Nationwide Reach.
Investigative Services Unlimited Group serves private clients, families, criminal-defense attorneys and authorized government assignments. Founded in Florida in 2014, ISUG brings more than 35 years of investigative experience to serious state and federal criminal matters.
Clear Facts for Difficult Questions
Our work includes homicide and serious felony investigations, witness location and interviews, discovery and records review, scene follow-up and post-conviction fact development. Private clients may contact us directly about unresolved questions or concerns about prior investigative work. We coordinate with counsel where appropriate.
A Professional Working Relationship
Every assignment begins with a confidential discussion of objectives, location, deadlines and budget. We agree on scope and deliverables, communicate material developments and provide organized findings with supporting sources. Nationwide assignments are arranged according to applicable local requirements.
Leadership and Credentials
Guillermo Hechevarria
Florida Licensed Private Investigator C-1400518
Florida Agency License A-1400265
Florida JAC-Approved Vendor F850630350001
Discuss Your Criminal Case
Call 954-615-7382. Tell us the type of case and any approaching deadline. ISUG provides investigations; attorneys provide legal advice and representation. No particular case outcome is guaranteed.
Service photographs are illustrative and do not depict client cases.

Confidential Case Consultations

  • 2637 West 76th Street, Hialeah, FL, USA Building #A

AsiliA Law Firm, P.A.

Attorney Jeremy McLymont | Criminal Defense & Civil Rights

Highly recommended by Investigative Services Unlimited Group. We work with Attorney Jeremy McLymont of AsiliA Law Firm, P.A. in connection with criminal-defense matters and recommend contacting his firm to discuss legal representation.

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