
We handle the uncomfortable conversations, so you don’t have to.

Why Investigate?
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Uncover facts before they become costly mistakes
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Reduce liability and exposure
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Disprove false claims
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Make confident, informed decisions
For Attorneys: We Know What You Need
Don't risk becoming a participatory witness. We work alongside you to develop an investigative strategy tailored to your case. From hard-to-find witnesses to in-depth analysis of police reports, GCI is your trusted investigative partner in and out of court.
Confidentiality is Core
Discretion is not just a promise—it’s our practice. Your information is treated with the highest level of confidentiality and professionalism. Trust is earned, and we intend to keep it.

Why GCI? Experience That Delivers Results
At Greylock Confidential Investigations, we know what’s at stake. With decades of law enforcement and investigative experience, we provide attorneys and private clients with the critical information they need—efficiently, discreetly, and thoroughly. Whether you're navigating a complex criminal defense case or need clarity in a civil matter, we deliver results you can trust.