Services
Services
Services
Surveillance
Business. Child Custody. Infidelity.
Surveillance is a crucial tool for gathering …
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 are an important part of 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
Bernard Trapp
Salvatore consistently demonstrates exceptional professionalism, sound judgment, and strong investigative acumen in the performance of his duties.... Read more
Feb 7, 2026
Richard Tracy
Mr. Grasso was a staunch professional from day one. His professionalism was only matched by his compassion and attention to detail due to the... Read more
Jan 28, 2026
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