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
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
Kim Schweitzer
I can’t recommend Sal highly enough. He is extremely knowledgeable, professional, and thorough, and he took the time to explain everything clearly... Read more
Jan 6, 2026
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