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
Heidi AG
If ever you find yourself in need of a private investigator in Indiana, Ohio or one of the other states where Salvatore A. Grasso is licensed, look... Read more
May 28, 2026
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
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