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, we bring more …
Learn moreReviews
bryan
Mr Grasso is the consummate professional. Top of the PI world!!!!
Jul 24, 2026
Adewole Adeleke
Mr.Salvatore Grasso is an "investigator emeritus" who places a very high premium on honesty, integrity and truthfulness rather than the money who... Read more
Jul 13, 2026
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