Services
Services
Services
Surveillance
Discreet Surveillance Operatives for Individuals, Attorneys, and Businesses
When the …
Learn moreDue Diligence
Due diligence is essential when making critical decisions that could have far-reaching …
Learn moreBackground Investigations
Background investigations are invaluable for making informed decisions in both personal …
Learn moreCriminal Defense
Criminal defense investigations play a pivotal role in ensuring that every client …
Learn moreChild Custody
Often adversarial, child custody investigations play a critical role in family law …
Learn moreAsset Tracing
Divorce. Fraud. Debt Recovery.
Crucial in litigation, or in the anticipation of …
Learn moreMissing persons
When someone goes missing, every second matters. At Salvatore A. Grasso Co., we bring …
Learn moreReviews
John Bailey
Sal made us feel confident at a time when we had uncertainty in our lives. He was absolutely professional and super knowledgeable about the things... Read more
Feb 14, 2026
Bernard Trapp
Salvatore consistently demonstrates exceptional professionalism, sound judgment, and strong investigative acumen in the performance of his duties.... Read more
Feb 7, 2026
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