About Greyline

The right answer, gathered the right way.

Greyline was founded on a hard truth: when something is wrong, people need facts — not guesses, and not evidence that falls apart under scrutiny. Our investigators spent careers in law enforcement, military intelligence, and corporate security, and we built this agency to bring that discipline to private clients.

We work quietly. We operate within the law. And we document everything, because the value of an investigation isn't just what you learn — it's whether what you learn will hold up when you act on it, whether that's a difficult conversation, a boardroom, or a courtroom.

What we believe

Discretion is non-negotiable, methods must be lawful, and a client deserves the unvarnished truth. Our job is to find it, prove it, and protect your privacy at every step along the way.