A tailored approach
to every case.

221B Partners is a boutique private investigations and intelligence firm that helps clients confidently navigate complexity. With decades of experience, we specialize in supporting litigators in disputes, and conducting due diligence, fraud investigations, and threat assessment across the U.S. and internationally.

In moments that demand clarity and action, the right investigators and insights can make all the difference. We combine agility, discernment, and a commitment to excellence to illuminate truth and turn uncertainty into strategic advantage.